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• How to properly sort MPTT hierarchy data into multidimensional array ?

  - by DiegoMax

  Helo there, im trying to figure out how to write a function that returns a multidimensional array, based on the data below: I know how to write the function using the "category_parent" value, but im just trying to write a function that can create a multidimensional array by JUST using the left and right keys. Any help greatly appreciated! array(71) { [0]=> array(9) { ["id"]=> string(1) "1" ["category_name"]=> string(6) "Rubros" ["category_parent"]=> string(1) "0" ["category_slug"]=> string(6) "rubros" ["category_image"]=> NULL ["category_totals"]=> NULL ["category_lft"]=> string(1) "1" ["category_rgt"]=> string(3) "142" } [1]=> array(9) { ["id"]=> string(4) "1000" ["category_name"]=> string(12) "Restaurantes" ["category_parent"]=> string(1) "1" ["category_slug"]=> string(12) "restaurantes" ["category_image"]=> string(16) "restaurantes.png" ["category_totals"]=> string(1) "1" ["category_lft"]=> string(1) "2" ["category_rgt"]=> string(2) "13" } [2]=> array(9) { ["id"]=> string(1) "3" ["category_name"]=> string(21) "Restaurantes de Campo" ["category_parent"]=> string(4) "1000" ["category_slug"]=> string(21) "restaurantes-de-campo" ["category_image"]=> NULL ["category_totals"]=> string(1) "1" ["category_lft"]=> string(1) "3" ["category_rgt"]=> string(1) "4" } [3]=> array(9) { ["id"]=> string(2) "37" ["category_name"]=> string(25) "Restaurantes en la Ciudad" ["category_parent"]=> string(4) "1000" ["category_slug"]=> string(19) "restaurantes-ciudad" ["category_image"]=> string(0) "" ["category_totals"]=> string(1) "6" ["category_lft"]=> string(1) "5" ["category_rgt"]=> string(1) "6" } [4]=> array(9) { ["id"]=> string(2) "41" ["category_name"]=> string(21) "Servicios de Catering" ["category_parent"]=> string(4) "1000" ["category_slug"]=> string(8) "catering" ["category_image"]=> string(0) "" ["category_totals"]=> string(1) "1" ["category_lft"]=> string(1) "7" ["category_rgt"]=> string(1) "8" } [5]=> array(9) { ["id"]=> string(2) "48" ["category_name"]=> string(10) "Rotiserias" ["category_parent"]=> string(4) "1000" ["category_slug"]=> string(10) "rotiserias" ["category_image"]=> string(0) "" ["category_totals"]=> string(1) "1" ["category_lft"]=> string(1) "9" ["category_rgt"]=> string(2) "10" } [6]=> array(9) { ["id"]=> string(2) "62" ["category_name"]=> string(10) "Pizzerías" ["category_parent"]=> string(4) "1000" ["category_slug"]=> string(9) "pizzerias" ["category_image"]=> string(0) "" ["category_totals"]=> string(1) "1" ["category_lft"]=> string(2) "11" ["category_rgt"]=> string(2) "12" } [7]=> array(9) { ["id"]=> string(1) "2" ["category_name"]=> string(13) "Profesionales" ["category_parent"]=> string(1) "1" ["category_slug"]=> string(13) "profesionales" ["category_image"]=> string(17) "profesionales.png" ["category_totals"]=> string(1) "2" ["category_lft"]=> string(2) "14" ["category_rgt"]=> string(2) "35" } [8]=> array(9) { ["id"]=> string(2) "29" ["category_name"]=> string(11) "Arquitectos" ["category_parent"]=> string(1) "2" ["category_slug"]=> string(11) "arquitectos" ["category_image"]=> NULL ["category_totals"]=> string(1) "0" ["category_lft"]=> string(2) "15" ["category_rgt"]=> string(2) "16" } [9]=> array(9) { ["id"]=> string(2) "30" ["category_name"]=> string(8) "Abogados" ["category_parent"]=> string(1) "2" ["category_slug"]=> string(8) "abogados" ["category_image"]=> NULL ["category_totals"]=> string(1) "6" ["category_lft"]=> string(2) "17" ["category_rgt"]=> string(2) "18" } }

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• Full list of top-like tool family for perfomance monitoring in linux: iftop iotop htop atop more? [closed]

  - by Yauhen Yakimovich

  Top-like utilities are extremely handful in my work and I want to make sure I am not missing any of them. Please extend the following list of performance monitoring (top-like) family of linux tools: top - original tool htop - adds support to multicore/cpu iotop - input/output monitoring iftop - network monitoring atop - merges previous elements into a single overview slabtop – displays a listing of the top caches ? The only criteria - maturity and similarity in function/style.

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• When and how often to start connection to database in php?

  - by AndHeiberg

  When and how often is it good practice to start the connection to your database in php? I'm new to databases, and I'm wondering when I should start by database connection. I'm creating a api with an index, controllers and model. Should I start the connection in the index and then pass it to all the other files, start the connection at the top of all files and call it as a global in functions as needed or start and end the connection in every function?

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• X Error of failed request: BadMatch (invalid parameter attributes) ffmpeg error

  - by Evan Carroll

  I'm getting the following error message in ffmpeg: X Error of failed request: BadMatch (invalid parameter attributes) Major opcode of failed request: 140 (MIT-SHM) Minor opcode of failed request: 4 (X_ShmGetImage) Serial number of failed request: 11 Current serial number in output stream: 11 I turns up when I run the bash function mentioned in a forum post about streaming in Linux. What does it mean and how can I fix it?

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• WPF & RenderTierCapability, what could cause a machine to be dropped from Tier 2 to 0?

  - by Erode

  I'm having an issue on some imaged machines where they will started out on Tier 2 and after some time of use (they are well spec'd kiosk machines, quad-core, Nvidia 550Ti), they drop to Tier 0 and effectively become useless. Restarting the machine doesn't seem to help. This is a problem more than just "missing hardware acceleration" because my application requires D3DImage to function (which requires Tier 2). Thanks for any help!

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• How to set ulimits for a service starting at boot?

  - by jayofdoom

  I need, for mysql to use large-pages, to set a ulimit - I've done this in limits.conf. However, limits.conf (pam_limits.so), doesn't get read in for init, only for "real" shells. I solved this before by adding a "ulimit -l" to the initscript start function. but I need some sort of repeatable way to do this, now that the boxes are managed with chef, and we don't want to take over a file that's actually owned by the RPM.

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• C programming: hashtable insertion/search

  - by Ricardo Campos

  Hello i have a problem with my hash table its implemented like this: #define HT_SIZE 10 typedef struct _list_t_ { char key[20]; char string[20]; char prevValue[20]; struct _list_t_ *next; } list_t; typedef struct _hash_table_t_ { int size; /* the size of the table */ list_t ***table; /* first */ sem_t lock; } hash_table_t; I have a Linked list with 3 pointers because i want a hash table with several partitions (shards), here is my initialization of my Hash table: hash_table_t *create_hash_table(int NUM_SERVER_THREADS, int num_shards){ hash_table_t *new_table; int j,i; if (HT_SIZE<1) return NULL; /* invalid size for table */ /* Attempt to allocate memory for the hashtable structure */ new_table = (hash_table_t*)malloc(sizeof(hash_table_t)*HT_SIZE); /* Attempt to allocate memory for the table itself */ new_table->table = (list_t ***)calloc(1,sizeof(list_t **)); /* Initialize the elements of the table */ for(j=0; j<num_shards; j++){ new_table->table[j] = (list_t **)calloc(1,sizeof(list_t *)); for(i=0; i<HT_SIZE; i++){ new_table->table[j][i] = (list_t *)calloc(1,sizeof(list_t )); } } /* Set the table's size */ new_table->size = HT_SIZE; sem_init(&new_table->lock, 0, 1); return new_table; } Here is my search function to search in the hash table list_t *lookup_string(hash_table_t *hashtable, char *key, int shardId){ list_t *list ; int hashval = hash(key); /* Go to the correct list based on the hash value and see if key is * in the list. If it is, return return a pointer to the list element. * If it isn't, the item isn't in the table, so return NULL. */ sem_wait(&hashtable->lock); for(list = hashtable->table[shardId][hashval]; list != NULL; list =list->next) { if (strcmp(key, list->key) == 0){ sem_post(&hashtable->lock); return list; } } sem_post(&hashtable->lock); return NULL; } And my insert function: char *add_string(hash_table_t *hashtable, char *str,char *key, int shardId){ list_t *new_list; list_t *current_list; unsigned int hashval = hash(key); /*printf("|%d|%d|%s|\n",hashval,shardId,key);*/ /* Lock for concurrency */ sem_wait(&hashtable->lock); /* Attempt to allocate memory for list */ new_list = (list_t*)malloc(sizeof(list_t)); /* Does item already exist? */ sem_post(&hashtable->lock); current_list = lookup_string(hashtable, key,shardId); sem_wait(&hashtable->lock); /* item already exists, don't insert it again. */ if (current_list != NULL){ strcpy(new_list->prevValue,current_list->string); strcpy(new_list->string,str); strcpy(new_list->key,key); new_list->next = hashtable->table[shardId][hashval]; hashtable->table[shardId][hashval] = new_list; sem_post(&hashtable->lock); return new_list->prevValue; } /* Insert into list */ strcpy(new_list->string,str); strcpy(new_list->key,key); new_list->next = hashtable->table[shardId][hashval]; hashtable->table[shardId][hashval] = new_list; /* Unlock */ sem_post(&hashtable->lock); return new_list->prevValue; } My main class runs some of tests by executing the insertion / reading / delete from the elements of the hash table the problem is when i have more than 4 partitions/shards the tests stop at the first reading element saying it returned the wrong value NULL on the search function, when its less than 4 it runs perfectly well and passes all the tests. You can see my main.c in here if you want to give a look: http://hostcode.sourceforge.net/view/1105 My complete Hash table code: http://hostcode.sourceforge.net/view/1103 And other functions where hash table code is executed: .c file http://hostcode.sourceforge.net/view/1104 .h file http://hostcode.sourceforge.net/view/1106 Thank for you time, i appreciate any help you can give to me this is a college important project that I'm trying to solve and I'm stuck here for 2 days.

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• MySQL Config File for Large System

  - by Jonathon

  We are running MySQL on a Windows 2003 Server Enterpise Edition box. MySQL is about the only program running on the box. We have approx. 8 slaves replicated to it, but my understanding is that having multiple slaves connecting to the same master does not significantly slow down performance, if at all. The master server has 16G RAM, 10 Terabyte drives in RAID 10, and four dual-core processors. From what I have seen from other sites, we have a really robust machine as our master db server. We just upgraded from a machine with only 4G RAM, but with similar hard drives, RAID, etc. It also ran Apache on it, so it was our db server and our application server. It was getting a little slow, so we split the db server onto this new machine and kept the application server on the first machine. We also distributed the application load amongst a few of our other slave servers, which also run the application. The problem is the new db server has mysqld.exe consuming 95-100% of CPU almost all the time and is really causing the app to run slowly. I know we have several queries and table structures that could be better optimized, but since they worked okay on the older, smaller server, I assume that our my.ini (MySQL config) file is not properly configured. Most of what I see on the net is for setting config files on small machines, so can anyone help me get the my.ini file correct for a large dedicated machine like ours? I just don't see how mysqld could get so bogged down! FYI: We have about 100 queries per second. We only use MyISAM tables, so skip-innodb is set in the ini file. And yes, I know it is reading the ini file correctly because I can change some settings (like the server-id and it will kill the server at startup). Here is the my.ini file: #MySQL Server Instance Configuration File # ---------------------------------------------------------------------- # Generated by the MySQL Server Instance Configuration Wizard # # # Installation Instructions # ---------------------------------------------------------------------- # # On Linux you can copy this file to /etc/my.cnf to set global options, # mysql-data-dir/my.cnf to set server-specific options # (@localstatedir@ for this installation) or to # ~/.my.cnf to set user-specific options. # # On Windows you should keep this file in the installation directory # of your server (e.g. C:\Program Files\MySQL\MySQL Server X.Y). To # make sure the server reads the config file use the startup option # "--defaults-file". # # To run run the server from the command line, execute this in a # command line shell, e.g. # mysqld --defaults-file="C:\Program Files\MySQL\MySQL Server X.Y\my.ini" # # To install the server as a Windows service manually, execute this in a # command line shell, e.g. # mysqld --install MySQLXY --defaults-file="C:\Program Files\MySQL\MySQL Server X.Y\my.ini" # # And then execute this in a command line shell to start the server, e.g. # net start MySQLXY # # # Guildlines for editing this file # ---------------------------------------------------------------------- # # In this file, you can use all long options that the program supports. # If you want to know the options a program supports, start the program # with the "--help" option. # # More detailed information about the individual options can also be # found in the manual. # # # CLIENT SECTION # ---------------------------------------------------------------------- # # The following options will be read by MySQL client applications. # Note that only client applications shipped by MySQL are guaranteed # to read this section. If you want your own MySQL client program to # honor these values, you need to specify it as an option during the # MySQL client library initialization. # [client] port=3306 [mysql] default-character-set=latin1 # SERVER SECTION # ---------------------------------------------------------------------- # # The following options will be read by the MySQL Server. Make sure that # you have installed the server correctly (see above) so it reads this # file. # [mysqld] # The TCP/IP Port the MySQL Server will listen on port=3306 #Path to installation directory. All paths are usually resolved relative to this. basedir="D:/MySQL/" #Path to the database root datadir="D:/MySQL/data" # The default character set that will be used when a new schema or table is # created and no character set is defined default-character-set=latin1 # The default storage engine that will be used when create new tables when default-storage-engine=MYISAM # Set the SQL mode to strict #sql-mode="STRICT_TRANS_TABLES,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION" # we changed this because there are a couple of queries that can get blocked otherwise sql-mode="" #performance configs skip-locking max_allowed_packet = 1M table_open_cache = 512 # The maximum amount of concurrent sessions the MySQL server will # allow. One of these connections will be reserved for a user with # SUPER privileges to allow the administrator to login even if the # connection limit has been reached. max_connections=1510 # Query cache is used to cache SELECT results and later return them # without actual executing the same query once again. Having the query # cache enabled may result in significant speed improvements, if your # have a lot of identical queries and rarely changing tables. See the # "Qcache_lowmem_prunes" status variable to check if the current value # is high enough for your load. # Note: In case your tables change very often or if your queries are # textually different every time, the query cache may result in a # slowdown instead of a performance improvement. query_cache_size=168M # The number of open tables for all threads. Increasing this value # increases the number of file descriptors that mysqld requires. # Therefore you have to make sure to set the amount of open files # allowed to at least 4096 in the variable "open-files-limit" in # section [mysqld_safe] table_cache=3020 # Maximum size for internal (in-memory) temporary tables. If a table # grows larger than this value, it is automatically converted to disk # based table This limitation is for a single table. There can be many # of them. tmp_table_size=30M # How many threads we should keep in a cache for reuse. When a client # disconnects, the client's threads are put in the cache if there aren't # more than thread_cache_size threads from before. This greatly reduces # the amount of thread creations needed if you have a lot of new # connections. (Normally this doesn't give a notable performance # improvement if you have a good thread implementation.) thread_cache_size=64 #*** MyISAM Specific options # The maximum size of the temporary file MySQL is allowed to use while # recreating the index (during REPAIR, ALTER TABLE or LOAD DATA INFILE. # If the file-size would be bigger than this, the index will be created # through the key cache (which is slower). myisam_max_sort_file_size=100G # If the temporary file used for fast index creation would be bigger # than using the key cache by the amount specified here, then prefer the # key cache method. This is mainly used to force long character keys in # large tables to use the slower key cache method to create the index. myisam_sort_buffer_size=64M # Size of the Key Buffer, used to cache index blocks for MyISAM tables. # Do not set it larger than 30% of your available memory, as some memory # is also required by the OS to cache rows. Even if you're not using # MyISAM tables, you should still set it to 8-64M as it will also be # used for internal temporary disk tables. key_buffer_size=3072M # Size of the buffer used for doing full table scans of MyISAM tables. # Allocated per thread, if a full scan is needed. read_buffer_size=2M read_rnd_buffer_size=8M # This buffer is allocated when MySQL needs to rebuild the index in # REPAIR, OPTIMZE, ALTER table statements as well as in LOAD DATA INFILE # into an empty table. It is allocated per thread so be careful with # large settings. sort_buffer_size=2M #*** INNODB Specific options *** innodb_data_home_dir="D:/MySQL InnoDB Datafiles/" # Use this option if you have a MySQL server with InnoDB support enabled # but you do not plan to use it. This will save memory and disk space # and speed up some things. skip-innodb # Additional memory pool that is used by InnoDB to store metadata # information. If InnoDB requires more memory for this purpose it will # start to allocate it from the OS. As this is fast enough on most # recent operating systems, you normally do not need to change this # value. SHOW INNODB STATUS will display the current amount used. innodb_additional_mem_pool_size=11M # If set to 1, InnoDB will flush (fsync) the transaction logs to the # disk at each commit, which offers full ACID behavior. If you are # willing to compromise this safety, and you are running small # transactions, you may set this to 0 or 2 to reduce disk I/O to the # logs. Value 0 means that the log is only written to the log file and # the log file flushed to disk approximately once per second. Value 2 # means the log is written to the log file at each commit, but the log # file is only flushed to disk approximately once per second. innodb_flush_log_at_trx_commit=1 # The size of the buffer InnoDB uses for buffering log data. As soon as # it is full, InnoDB will have to flush it to disk. As it is flushed # once per second anyway, it does not make sense to have it very large # (even with long transactions). innodb_log_buffer_size=6M # InnoDB, unlike MyISAM, uses a buffer pool to cache both indexes and # row data. The bigger you set this the less disk I/O is needed to # access data in tables. On a dedicated database server you may set this # parameter up to 80% of the machine physical memory size. Do not set it # too large, though, because competition of the physical memory may # cause paging in the operating system. Note that on 32bit systems you # might be limited to 2-3.5G of user level memory per process, so do not # set it too high. innodb_buffer_pool_size=500M # Size of each log file in a log group. You should set the combined size # of log files to about 25%-100% of your buffer pool size to avoid # unneeded buffer pool flush activity on log file overwrite. However, # note that a larger logfile size will increase the time needed for the # recovery process. innodb_log_file_size=100M # Number of threads allowed inside the InnoDB kernel. The optimal value # depends highly on the application, hardware as well as the OS # scheduler properties. A too high value may lead to thread thrashing. innodb_thread_concurrency=10 #replication settings (this is the master) log-bin=log server-id = 1 Thanks for all the help. It is greatly appreciated.

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• OpenGL texture shifted somewhat to the left when applied to a quad

  - by user308226

  I'm a bit new to OpenGL and I've been having a problem with using textures. The texture seems to load fine, but when I run the program, the texture displays shifted a couple pixels to the left, with the section cut off by the shift appearing on the right side. I don't know if the problem here is in the my TGA loader or if it's the way I'm applying the texture to the quad. Here is the loader: #include "texture.h" #include <iostream> GLubyte uncompressedheader[12] = {0,0, 2,0,0,0,0,0,0,0,0,0}; GLubyte compressedheader[12] = {0,0,10,0,0,0,0,0,0,0,0,0}; TGA::TGA() { } //Private loading function called by LoadTGA. Loads uncompressed TGA files //Returns: TRUE on success, FALSE on failure bool TGA::LoadCompressedTGA(char *filename,ifstream &texturestream) { return false; } bool TGA::LoadUncompressedTGA(char *filename,ifstream &texturestream) { cout << "G position status:" << texturestream.tellg() << endl; texturestream.read((char*)header, sizeof(header)); //read 6 bytes into the file to get the tga header width = (GLuint)header[1] * 256 + (GLuint)header[0]; //read and calculate width and save height = (GLuint)header[3] * 256 + (GLuint)header[2]; //read and calculate height and save bpp = (GLuint)header[4]; //read bpp and save cout << bpp << endl; if((width <= 0) || (height <= 0) || ((bpp != 24) && (bpp !=32))) //check to make sure the height, width, and bpp are valid { return false; } if(bpp == 24) { type = GL_RGB; } else { type = GL_RGBA; } imagesize = ((bpp/8) * width * height); //determine size in bytes of the image cout << imagesize << endl; imagedata = new GLubyte[imagesize]; //allocate memory for our imagedata variable texturestream.read((char*)imagedata,imagesize); //read according the the size of the image and save into imagedata for(GLuint cswap = 0; cswap < (GLuint)imagesize; cswap += (bpp/8)) //loop through and reverse the tga's BGR format to RGB { imagedata[cswap] ^= imagedata[cswap+2] ^= //1st Byte XOR 3rd Byte XOR 1st Byte XOR 3rd Byte imagedata[cswap] ^= imagedata[cswap+2]; } texturestream.close(); //close ifstream because we're done with it cout << "image loaded" << endl; glGenTextures(1, &texID); // Generate OpenGL texture IDs glBindTexture(GL_TEXTURE_2D, texID); // Bind Our Texture glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); // Linear Filtered glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); glTexImage2D(GL_TEXTURE_2D, 0, type, width, height, 0, type, GL_UNSIGNED_BYTE, imagedata); delete imagedata; return true; } //Public loading function for TGA images. Opens TGA file and determines //its type, if any, then loads it and calls the appropriate function. //Returns: TRUE on success, FALSE on failure bool TGA::loadTGA(char *filename) { cout << width << endl; ifstream texturestream; texturestream.open(filename,ios::binary); texturestream.read((char*)header,sizeof(header)); //read 6 bytes into the file, its the header. //if it matches the uncompressed header's first 6 bytes, load it as uncompressed LoadUncompressedTGA(filename,texturestream); return true; } GLubyte* TGA::getImageData() { return imagedata; } GLuint& TGA::getTexID() { return texID; } And here's the quad: void Square::show() { glEnable(GL_TEXTURE_2D); glBindTexture(GL_TEXTURE_2D, texture.texID); //Move to offset glTranslatef( x, y, 0 ); //Start quad glBegin( GL_QUADS ); //Set color to white glColor4f( 1.0, 1.0, 1.0, 1.0 ); //Draw square glTexCoord2f(0.0f, 0.0f); glVertex3f( 0, 0, 0 ); glTexCoord2f(1.0f, 0.0f); glVertex3f( SQUARE_WIDTH, 0, 0 ); glTexCoord2f(1.0f, 1.0f); glVertex3f( SQUARE_WIDTH, SQUARE_HEIGHT, 0 ); glTexCoord2f(0.0f, 1.0f); glVertex3f( 0, SQUARE_HEIGHT, 0 ); //End quad glEnd(); //Reset glLoadIdentity(); }

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• Excel 2007: plot data points not on an axis/ force linear x-incrementation without altering integrity of non-linear data

  - by Ennapode

  In Excel, how does one go about plotting points that don't have an x component that is an x-axis label? For example, in my graph, the x-components are derived from the cosine function and aren't linear, but Excel is displaying them as if .0016 to .0062 to .0135 is an equal incrementation. How would I change this so that the x-axis has an even incrementation without altering the integrity of the points themselves? In other words, how do I plot a point with an x component independent from the x-axis label?

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• Running Virtualbox as a Transparent Bridge

  - by Goats

  I am setting up Untangle in a Sun VirtualBox VM. I plan on using this machine as a transparent bridge to filter and monitor traffic on my network. I'm not sure how to configure the network adapters for the virtual machine under the Virtualbox's "Devices" menu so that it will function as a transparent bridge. I guess what I'm asking is, should both adapter 1 & 2 be set as Bridged adapters or what? Any help is greatly appreciated.

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• How can I make vim show the current class and method I'm editing

  - by dcrosta

  Does anyone know if it's possible (or know of an existing vim script or plugin) that can create a "status bar" that shows the name of the current class and method (or function) I'm editing? I'm imagining that it would plug into the syntax parser for the filetype of the current buffer, and display a breadcrumb trail to show you what you're currently editing. I don't know vimscript well enough to suggest any more than that, but if there aren't any good solutions already, I may begin to hack on one, so suggestions as to where to start are welcome, too!

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• How to retrieve ID of button clicked within usercontrol on Asp.net page?

  - by Shawn Gilligan

  I have a page that I am working on that I'm linking multiple user controls to. The user control contains 3 buttons, an attach, clear and view button. When a user clicks on any control on the page, the resulting information is "dumped" into the last visible control on the page. <%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="Default" MasterPageFile="DefaultPage.master" %> <%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="ajaxToolkit" %> <%@ Register tagName="FileHandler" src="FileHandling.ascx" tagPrefix="ucFile" %> <asp:Content ID="Content1" ContentPlaceHolderID="Main" Runat="Server"> <asp:UpdatePanel ID="upPanel" UpdateMode="Conditional" runat="server"> <ContentTemplate> <table> <tr> <td> <ucFile:FileHandler ID="fFile1" runat="server" /> </td> <td> <ucFile:FileHandler ID="fFile2" runat="server" /> </td> </tr> </table> </ContentTemplate> </asp:UpdatePanel> </asp:Content> All file handling and processing is handled within the control, with an event when the upload to the file server is complete via a file name that was generated. When either button is clicked, the file name is always stored internal to the control in the last control's text box. Control code: <table style="width: 50%;"> <tr style="white-space: nowrap;"> <td style="width: 1%;"> <asp:Label runat="server" ID="lblFile" /> </td> <td style="width: 20%;"> <asp:TextBox ID="txtFile" CssClass="backColor" runat="server" OnTextChanged="FileInformationChanged" /> </td> <td style="width: 1%"> <%--<asp:Button runat="server" ID="btnUpload" CssClass="btn" Text="Attach" OnClick="UploadFile"/>--%> <input type="button" id="btnUpload" class="btn" tabindex="30" value="Attach" onclick="SetupUpload();" /> </td> <td style="width: 1%"> <%--<asp:Button runat="server" ID="btnClear" Text="Clear" CssClass="btn" OnClick="ClearTextValue"/>--%> <input type="button" id="btnClearFile" class="btn" value="Clear" onclick="document.getElementById('<%=txtFile.ClientID%>').value = '';document.getElementById('<%=hfFile.ClientID%>').value = '';" /> </td> <td style="width: 1%"> <a href="#here" onclick="ViewLink(document.getElementById('<%=hfFile.ClientID%>').value, '')">View</a> </td> <td style="width: 1%"> <asp:HiddenField ID="hfFile" runat="server" /> </td> </tr> </table> <script type="text/javascript"> var ItemPath = ""; function SetupUpload(File) { ItemPath = File; VersionAttach('<%=UploadPath%>', 'true'); } function UploadComplete(File) { document.getElementById('<%=txtFile.ClientID%>').value = File.substring(File.lastIndexOf("/") + 1); document.getElementById('<%=hfFile.ClientID%>').value = File; alert('<%=txtFile.Text %>'); alert('<%=ClientID %>') } function ViewLink(File, Alert) { if (File != "") { if (File.indexOf("../data/") != -1) { window.open(File, '_blank'); } else { window.open('../data/<%=UploadPath%>/' + File, '_blank'); } } else if (Alert == "") { alert('No file has been uploaded for this field.'); } } </script>

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• How would I isolate one netowrked PC to LAN only?

  - by itsraine

  I would like to have one of my PCs available to the rest of my home network for file sharing and VNC access, but I want to block any Internet traffic going to and from the PC. In other words, I want all local PCs I have connected to the router functioning as any normal LAN would, but when it comes to the Internet I want one particular PC to be "safe" from the Internet. My guess is that this is some sort of port blocking or some other router function, but I'm not quite sure.

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• $.post is not working

  - by BEBO

  i am trying to post data to Mysql using jquery $.post and php page. my code is not running and nothing is added to the mysql table. I am not sure if the path i am creating is wrong but any help would be appreciated. Jquery location: f_js/tasks/TaskTest.js <script type="text/javascript"> $(document).ready(function(){ $("#AddTask").click(function(){ var acct = $('#acct').val(); var quicktask = $('#quicktask').val(); var user = $('#user').val(); $.post('addTask.php',{acct:acct,quicktask:quicktask,user:user}, function(data){ $('#result').fadeIn('slow').html(data); }); }); }); </script> addTask.php (runs the jqeury code) <?php include 'dbconnect.php'; include 'sessions.php'; $acct = $_POST['acct']; $task = $_POST['quicktask']; $taskstatus = 'Active'; //get task Creator $user = $_POST['user']; //query task creator from users table $allusers = mysql_query("SELECT * FROM users WHERE username = '$user'"); while ($rows = mysql_fetch_array($allusers)) { //get first and last name for task creator $taskOwner = $rows['user_firstname']; $taskOwnerLast = $rows['user_lastname']; $taskOwnerFull = $taskOwner." ".$taskOwnerLast; mysql_query("INSERT INTO tasks (taskresource, tasktitle, taskdetail, taskstatus, taskowner, taskOwnerFullName) VALUES ('$acct', '$task', '$task', '$taskstatus', '$user', '$taskOwnerFull' )"); echo "inserted"; } ?> Accountview.php finally the front page <html> <div class="input-cont "> <input type="text" class="form-control col-lg-12" placeholder="Add a quick Task..." name ="quicktask" id="quicktask"> </div> <div class="form-group"> <div class="pull-right chat-features"> <a href="javascript:;"> <i class="icon-camera"></i> </a> <a href="javascript:;"> <i class="icon-link"></i> </a> <input type="button" class="btn btn-danger" name="AddTask" id="AddTask" value="Add" /> <input type="hidden" name="acct" id="acct" value="<?php echo $_REQUEST['acctname']?>"/> <input type="hidden" name="user" id="user" value="<?php $username = $_SESSION['username']; echo $username?>"/> <div id="result">result</div> </div> </div> <!-- js placed at the end of the document so the pages load faster --> <script src="js/jquery.js"></script> <script src="f_js/tasks/TaskTest.js"></script> <!--common script for all pages--> <script src="js/common-scripts.js"></script> <script type="text/javascript" src="assets/gritter/js/jquery.gritter.js"></script> <script src="js/gritter.js" type="text/javascript"></script> <script> </html> Firebug reponse: Response Headers Connection Keep-Alive Content-Length 0 Content-Type text/html Date Fri, 08 Nov 2013 21:48:50 GMT Keep-Alive timeout=5, max=100 Server Apache/2.4.4 (Win32) OpenSSL/0.9.8y PHP/5.4.16 X-Powered-By PHP/5.4.16 refresh 5; URL=index.php Request Headers Accept */* Accept-Encoding gzip, deflate Accept-Language en-US,en;q=0.5 Content-Length 13 Content-Type application/x-www-form-urlencoded; charset=UTF-8 Cookie PHPSESSID=6gufl3guiiddreg8cdlc0htnc6 Host localhost Referer http://localhost/betahtml/AccountView.php?acctname=client%201 User-Agent Mozilla/5.0 (Windows NT 6.3; WOW64; rv:25.0) Gecko/20100101 Firefox/25.0 X-Requested-With XMLHttpRequest

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• git-daemon fails on VM suspend and resume

  - by fuzzy lollipop

  I have Gitorious running on a Centos 5.3 install on a VMWare virtual machine under VMWare Server. Everytime we take down the server via suspend to back up the image, and resume the VM, the git-daemon dies. All my other processes continue to function without any problems, this one process dies and has to be manually be restarted. Does anyone have any ideas why this might be happening, or how to make sure this process never dies off?

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• Simple 'database' in c++

  - by DevAno1

  Hello. My task was to create pseudodatabase in c++. There are 3 tables given, that store name(char*), age(int), and sex (bool). Write a program allowing to : - add new data to the tables - show all records - sort tables with criteria : - name increasing/decreasing - age increasing/decreasing - sex Using function templates is a must. Also size of arrays must be variable, depending on the amount of records. I have some code but there are still problems there. Here's what I have: Function tabSize() for returning size of array. But currently it returns size of pointer I guess : #include <iostream> using namespace std; template<typename TYPE> int tabSize(TYPE *T) { int size = 0; size = sizeof(T) / sizeof(T[0]); return size; } How to make it return size of array, not its pointer ? Next the most important : add() for adding new elements. Inside first I get the size of array (but hence it returns value of pointer, and not size it's of no use now :/). Then I think I must check if TYPE of data is char. Or am I wrong ? // add(newElement, table) template<typename TYPE> TYPE add(TYPE L, TYPE *T) { int s = tabSize(T); //here check if TYPE = char. If yes, get the length of the new name int len = 0; while (L[len] != '\0') { len++; } //current length of table int tabLen = 0; while (T[tabLen] != '\0') { tabLen++; } //if TYPE is char //if current length of table + length of new element exceeds table size create new table if(len + tabLen > s) { int newLen = len + tabLen; TYPE newTab = new [newLen]; for(int j=0; j < newLen; j++ ){ if(j == tabLen -1){ for(int k = 0; k < len; k++){ newTab[k] = } } else { newTab[j] = T[j]; } } } //else check if tabLen + 1 is greater than s. If yes enlarge table by 1. } Am I thinking correct here ? Last functions show() is correct I guess : template<typename TYPE> TYPE show(TYPE *L) { int len = 0; while (L[len] == '\0') { len++; } for(int i=0; i<len; i++) { cout << L[i] << endl; } } and problem with sort() is as follows : Ho can I influence if sorting is decreasing or increasing ? I'm using bubble sort here. template<typename TYPE> TYPE sort(TYPE *L, int sort) { int s = tabSize(L); int len = 0; while (L[len] == '\0') { len++; } //add control increasing/decreasing sort int i,j; for(i=0;i<len;i++) { for(j=0;j<i;j++) { if(L[i]>L[j]) { int temp=L[i]; L[i]=L[j]; L[j]=temp; } } } } And main function to run it : int main() { int sort=0; //0 increasing, 1 decreasing char * name[100]; int age[10]; bool sex[10]; char c[] = "Tom"; name[0] = "John"; name[1] = "Mike"; cout << add(c, name) << endl; system("pause"); return 0; }

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• USB devices don't work after restoring from Stand By

  - by Steve

  Hi. I'm running Windows XP SP3 on a NEC Versa L1100 laptop. If I wake my laptop up from Stand By, no attached USB devices will function. Device Manager shows all USB entries to be working properly. There is an option to "Allow the computer to turn off this device to save power" in the Power Management properties of USB entries. Is this causing the issue or something else? I have the latest drivers for my motherboard installed.

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• Juniper Network Connect (VPN) on Windows 7

  - by Virat Kadaru

  My company uses Juniper networks for vpn access. I am unable to get the juniper network connect client to work on windows 7 64-bit. It used to work before but after I formatted my system it gives the following error every time I start the vpn client If I check the logs I see this error The Juniper Network Connect Service service is marked as an interactive service. However, the system is configured to not allow interactive services. This service may not function properly.

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• How do I disable an add-in in Word?

  - by Richard Gadsden

  Word has a disabled add-ins function (Help | About | Disabled Items). How do I add an add-in to the disabled list without having to crash the add-in and wait for the error to come up?

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• Inconsistent results in R with RNetCDF - why?

  - by sarcozona

  I am having trouble extracting data from NetCDF data files using RNetCDF. The data files each have 3 dimensions (longitude, latitude, and a date) and 3 variables (latitude, longitude, and a climate variable). There are four datasets, each with a different climate variable. Here is some of the output from print.nc(p8m.tmax) for clarity. The other datasets are identical except for the specific climate variable. dimensions: month = UNLIMITED ; // (1368 currently) lat = 3105 ; lon = 7025 ; variables: float lat(lat) ; lat:long_name = "latitude" ; lat:standard_name = "latitude" ; lat:units = "degrees_north" ; float lon(lon) ; lon:long_name = "longitude" ; lon:standard_name = "longitude" ; lon:units = "degrees_east" ; short tmax(lon, lat, month) ; tmax:missing_value = -9999 ; tmax:_FillValue = -9999 ; tmax:units = "degree_celsius" ; tmax:scale_factor = 0.01 ; tmax:valid_min = -5000 ; tmax:valid_max = 6000 ; I am getting behavior I don't understand when I use the var.get.nc function from the RNetCDF package. For example, when I attempt to extract 82 values beginning at stval from the maximum temperature data (p8m.tmax <- open.nc(tmaxdataset.nc)) with > var.get.nc(p8m.tmax,'tmax', start=c(lon_val, lat_val, stval),count=c(1,1,82)) (where lon_val and lat_val specify the location in the dataset of the coordinates I'm interested in and stval is stval is set to which(time_vec==200201), which in this case equaled 1285.) I get Error: Invalid argument But after successfully extracting 80 and 81 values > var.get.nc(p8m.tmax,'tmax', start=c(lon_val, lat_val, stval),count=c(1,1,80)) > var.get.nc(p8m.tmax,'tmax', start=c(lon_val, lat_val, stval),count=c(1,1,81)) the command with 82 works: > var.get.nc(p8m.tmax,'tmax', start=c(lon_val, lat_val, stval),count=c(1,1,82)) [1] 444 866 1063 ... [output snipped] The same problem occurs in the identically structured tmin file, but at 36 instead of 82: > var.get.nc(p8m.tmin,'tmin', start=c(lon_val, lat_val, stval),count=c(1,1,36)) produces Error: Invalid argument But after repeating with counts of 30, 31, etc > var.get.nc(p8m.tmin,'tmin', start=c(lon_val, lat_val, stval), count=c(1,1,36)) works. These examples make it seem like the function is failing at the last count, but that actually isn't the case. In the first example, var.get.nc gave Error: Invalid argument after I asked for 84 values. I then narrowed the failure down to the 82nd count by varying the starting point in the dataset and asking for only 1 value at a time. The particular number the problem occurs at also varies. I can close and reopen the dataset and have the problem occur at a different location. In the particular examples above, lon_val and lat_val are 1595 and 1751, respectively, identifying the location in the dataset along the lat and lon dimensions for the latitude and longitude I'm interested in. The 1595th latitude and 1751th longitude are not the problem, however. The problem occurs with all other latitude and longitudes I've tried. Varying the starting location in the dataset along the climate variable dimension (stval) and/or specifying it different (as a number in the command instead of the object stval) also does not fix the problem. This problem doesn't always occur. I can run identical code three times in a row (clearing all objects in between runs) and get a different outcome each time. The first run may choke on the 7th entry I'm trying to get, the second might work fine, and the third run might choke on the 83rd entry. I'm absolutely baffled by such inconsistent behavior. The open.nc function has also started to fail with the same Error: Invalid argument. Like the var.get.nc problems, it also occurs inconsistently. Does anyone know what causes the initial failure to extract the variable? And how I might prevent it? Could have to do with the size of the data files (~60GB each) and/or the fact that I'm accessing them through networked drives? This was also asked here: https://stat.ethz.ch/pipermail/r-help/2011-June/281233.html > sessionInfo() R version 2.13.0 (2011-04-13) Platform: i386-pc-mingw32/i386 (32-bit) locale: [1] LC_COLLATE=English_United States.1252 LC_CTYPE=English_United States.1252 [3] LC_MONETARY=English_United States.1252 LC_NUMERIC=C [5] LC_TIME=English_United States.1252 attached base packages: [1] stats graphics grDevices utils datasets methods base other attached packages: [1] reshape_0.8.4 plyr_1.5.2 RNetCDF_1.5.2-2 loaded via a namespace (and not attached): [1] tools_2.13.0

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• Javascript form validation only works in firefox

  - by Logic Artist

  Hello, I am relatively new to Javascript so I'm hoping this is a simple mistake. I building a generic form validation function that is called on the form's onSubmit. The function loops through all the form's child elements, looks for certain classes, and analyzes the contents of the appropriate fields. If it finds something missing or erroneous, it displays the appropriate error message div and returns false, thus preventing the form from being submitted to the php page. It works well in firefox 3.6.3, but in every other browser I've tested (Safari 4.0.4, Chrome 4.1, IE8) it seems to ignore the onSubmit and jump straight to the php processing page. HTML CODE: <form name='myForm' id='myForm' action='process_form.php' method='post' onSubmit="return validateRequired('myForm')"> <fieldset class="required radioset"> <label for='selection1'> <input type='radio' name='selection' id='selection1' value='1'/> Option 1 </label> <label for='selection2'> <input type='radio' name='selection' id='selection2' value='2'/> Option 2 </label> <label for='selection3'> <input type='radio' name='selection' id='selection3' value='3'/> Option 3 </label> <label for='selection4'> <input type='radio' name='selection' id='selection4' value='4'/> Option 4 </label> <div class='errorBox' style='visibility:hidden'> Please make a selection </div> </fieldset> <fieldset class="required checkset"> <label> Choice 1 <input type='checkbox' name='choices' id='choice1' value='1'/> </label> <label> Choice 2 <input type='checkbox' name='choices' id='choice2' value='2'/> </label> <label> Choice 3 <input type='checkbox' name='choices' id='choice3' value='3'/> </label> <label> Choice 4 <input type='checkbox' name='choices' id='choice4' value='4'/> </label> <div class='errorBox' style='visibility:hidden'> Please choose at least one </div> </fieldset> <fieldset class="required textfield" > <label for='textinput1'> Required Text: <input type='text' name='textinput1' id='textinput1' size='40'/> </label> <div class='errorBox' style='visibility:hidden'> Please enter some text </div> </fieldset> <fieldset class="required email textfield"> <label for='email'> Required Email: <input type='text' name='email' id='email' size='40'/> </label> <div class='errorBox' style='visibility:hidden'> The email address you have entered is invalid </div> </fieldset> <div> <input type='submit' value='submit'> <input type='reset' value='reset'> </div> </form> JAVASCRIPT CODE: function validateRequired(id){ var form = document.getElementById(id); var errors = 0; var returnVal = true; for(i = 0; i < form.elements.length; i++){ var elem = form.elements[i]; if(hasClass(elem,"required")){ /*RADIO BUTTON or CHECK BOX SET*/ if(hasClass(elem,"radioset") || hasClass(elem,"checkset")){ var inputs = elem.getElementsByTagName("input"); var check = false; for(j = 0; j < inputs.length; j++){ if(inputs[j].checked){ check = true; } } if(check == false){ errors += 1; showError(elem); } else { hideError(elem); } } /*TEXT FIELD*/ else if(hasClass(elem,"textfield")){ var input = elem.getElementsByTagName("input"); if(input[0].value == ""){ errors += 1; showError(elem); } else { hideError(elem); /*EMAIL ADDRESS*/ if(hasClass(elem,"email")){ if(isValidEmail(input[0].value) == false){ errors += 1; showError(elem); } else { hideError(elem); } } } } } } if(errors > 0){ returnVal = false; } else { returnVal = true; } return returnVal;} I know this is a lot of code to look at, but any help would be appreciated. Since it works fine in one browser, Im not sure how to start debugging. Thanks Andrew

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• Rewrite rules for Drupal Boost with Lighttpd

  - by bsdjunkie

  I have been given the super task of preparing a web site to get hammered.... Or site is drupal based, I have found what could be my answer in the form of Boost. But I can't for the life of me find any information on the Lighttpd rewrite rules to make it function. All suggestion welcome! Thanks

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• Best way to set up servers for .NET performance

  - by msigman

  Assume we have 3 physical servers and let's say we are only interested in performance, and not reliability. Is it better to give each server a specific function or make them all duplicates and split the traffic between them? In other words dedicate 1 as DB server, 1 as web server, and 1 as reporting server/data warehouse, or better to put all three services on each server and use them as web farm?

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• GIT not functionnal on Mac OS X Lion?

  - by user1187727

  I am trying to use GIT to manage my computing projects. But all commands using GIT do not respond on my terminal. For example if I try git --version followed by entry keyboard typing, a blank line appear and wait until ever. If I type again the entry key on my keyboard the command line is again available but nothing appear. It's the same for all git function that I type. Do you have any solution or explanation for this ?

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