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  • Squid gives always tcp_miss reverse proxy

    - by JaakL
    I added installed latest squid3 in front of apache as reverse proxy. The problem is that it gives always tcp_miss, in fact I have not yet found a single TCP_HIT message in the log file, and most of the content is static. Relevant config values for cache_dir and refresh_pattern are default ones, directory /var/spool/squid3 exists and has some files/folders. I have 100+G free storage, but reconfigure gives warning "WARNING cache_mem is larger than total disk cache space!", which does not make any sense to me. I have googled a lot and seen with similar problems, but none of them has helped.

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  • Lightweight alternative to R for RHEL?

    - by Eric Rath
    I want to use R for some statistical analysis of logfile information, but found that even the "limited" R-core RPM has a lot of dependencies not already installed. I don't want to install so many packages for a peripheral need. Are there lightweight alternatives for simple statistical analysis on RHEL 6? I have an R script that accepts on stdin a large set of values -- one value per line -- and prints out the min, max, mean, median, 95th percentile, and standard deviation. For more context, I'm using grep and awk to find GET requests for a particular path in our webserver log files, get the response times, and calculate the metrics listed above in order to measure the impact on performance of changes to a web application. I don't need any graphing capabilities, just simple computation. Is there something I've overlooked?

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  • Most efficient hard drive configuration for multitasking system

    - by user99391
    I hope I didn’t screw up the tile. Currently I’m using for my system 2x500g Raid0 system. I’m thinking about an upgrade but I got hold up by few questions. I need at least 100-120 gb for my system and apps and looking for a technological upgrade also. I've end up with 3 choices. Single 120 ssd (sata 6 drive) 2x60 ssd drives, but I've heard it's not possible. PCI ssd drive (~120gb). They all have very similar read/write values and prices but I was wondering if anyone could give some tips on which way to go. I run win7x64 and do a lot of multitasking(especially adobe stuff).

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  • Reportviewer stored procedure [closed]

    - by Liesl
    I want to write a stored procedure for my invoice reportviewer. After invoice is generated in reportviewer it must also add the data to my Invoice table. This is all my tables in my database: CREATE TABLE [dbo].[Waybills]( [WaybillID] [int] IDENTITY(1,1) NOT NULL, [SenderName] [varchar](50) NULL, [SenderAddress] [varchar](50) NULL, [SenderContact] [int] NULL, [ReceiverName] [varchar](50) NULL, [ReceiverAddress] [varchar](50) NULL, [ReceiverContact] [int] NULL, [UnitDescription] [varchar](50) NULL, [UnitWeight] [int] NULL, [DateReceived] [date] NULL, [Payee] [varchar](50) NULL, [CustomerID] [int] NULL, PRIMARY KEY CLUSTERED CREATE TABLE [dbo].[Customer]( [CustomerID] [int] IDENTITY(1,1) NOT NULL, [customerName] [varchar](30) NULL, [CustomerAddress] [varchar](30) NULL, [CustomerContact] [varchar](30) NULL, [VatNo] [int] NULL, CONSTRAINT [PK_Customer] PRIMARY KEY CLUSTERED ) CREATE TABLE [dbo].[Cycle]( [CycleID] [int] IDENTITY(1,1) NOT NULL, [CycleNumber] [int] NULL, [StartDate] [date] NULL, [EndDate] [date] NULL ) ON [PRIMARY] CREATE TABLE [dbo].[Payments]( [PaymentID] [int] IDENTITY(1,1) NOT NULL, [Amount] [money] NULL, [PaymentDate] [date] NULL, [CustomerID] [int] NULL, PRIMARY KEY CLUSTERED Create table Invoices ( InvoiceID int IDENTITY(1,1), InvoiceNumber int, InvoiceDate date, BalanceBroughtForward money, OutstandingAmount money, CustomerID int, WaybillID int, PaymentID int, CycleID int PRIMARY KEY (InvoiceID), FOREIGN KEY (CustomerID) REFERENCES Customer(CustomerID), FOREIGN KEY (WaybillID) REFERENCES Waybills(WaybillID), FOREIGN KEY (PaymentID) REFERENCES Payments(PaymentID), FOREIGN KEY (CycleID) REFERENCES Cycle(CycleID) ) I want my sp to find all waybills for specific customer in a specific cycle with payments made from this client. All this data must then be added into the INVOICE table. Can someone please help me or show me on the right direction? create proc GenerateInvoice @StartDate date, @EndDate date, @Payee varchar(30) AS SELECT Waybills.WaybillNumber Waybills.SenderName, Waybills.SenderAddress, Waybills.SenderContact, Waybills.ReceiverName, Waybills.ReceiverAddress, Waybills.ReceiverContact, Waybills.UnitDescription, Waybills.UnitWeight, Waybills.DateReceived, Waybills.Payee, Payments.Amount, Payments.PaymentDate, Cycle.CycleNumber, Cycle.StartDate, Cycle.EndDate FROM Waybills CROSS JOIN Payments CROSS JOIN Cycle WHERE Waybills.ReceiverName = @Payee AND (Waybills.DateReceived BETWEEN (@StartDate) AND (@EndDate)) Insert Into Invoices (InvoiceNumber, InvoiceDate, BalanceBroughtForward, OutstandingAmount) Values (@InvoiceNumber, @InvoiceDate, @BalanceBroughtForward, @ OutstandingAmount) go

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  • How to lookup a value in a table with multiple criteria

    - by php-b-grader
    I have a data sheet with multiple values in multiple columns. I have a qty and a current price which when multiplied out gives me the current revenue (CurRev). I want to use this lookup table to give me the new revenue (NewRev) from the new price but can't figure out how to do multiple ifs in a lookup. What I want is to build a new column that checks the "Product", "Tier" and "Location/State" and gives me the new price from the lookup table (above) and then multiply that by the qty. e.g. Data > Product, Tier, Location, Qty, CurRev, NewRev > Product1, Tier1, VIC, 2, $1000.00, $6000 (2 x $3000) > Product2, Tier3, NSW, 1, $100.00, $200 (1 x $200) > Product1, Tier3, SA, 5, $250.00, $750 (5 x $150) > Product3, Tier1, ACT, 5, $100.00, $500(5 x $100) > Product2, Tier3, QLD, 2, $150.00, $240 (2 x $240) Worst case, if I just get the new rate I can create another column

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  • IIS7 - multiple ports for websites, some working, some not.

    - by glasnt
    I have multiple IIS7 websites hanging off 1 IP, using different ports. All three sites use Z.A.B.C:XX, where XX is {100, 200, 300} * There's no web.config settings not making :300 not work, the bindings are set ok. I can even change the ports so 200 becomes 300, but the original 300 still doesn't work. They are all shown by IP, so it's not DNS. There's no SSL setting differences between them. I can't see anything in metabase.xml that would make one behave differently to another. Are there any other settings in IIS7 that I might not be finding, that would fix the issue? * not the real values.

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  • What's the best way to work out if a virtual server is overloaded?

    - by zemaj
    I have a series of virtual servers. I'm running a command to login to each one and take a look at the load averages using uptime. What's the best way to work out if load values represent overloading? I'm running on rackspace cloud, so the servers have burst capability and can be all different sizes. I'm a little stumped on how to come up with a consistent way of figuring out when I need to spin up new servers. I can do things like estimate the jobs running on each one, but I'd like a system that runs a little closer to the real resource use available on each instance, as it obviously varies quite a bit! Help greatly appreciated!

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  • Analyse frequencies of date ranges in Google Drive

    - by wnstnsmth
    I have a Google Drive spreadsheet where I would like to compute occurrences of date ranges. As you can see in my sheet, there is a column date_utc+1 which contains almost random date data. https://docs.google.com/spreadsheet/ccc?key=0AhqMXeYxWMD_dGRkVGRqbkR3c05mWUdhYkJWcFo2Mmc What I would like to do is 1) put the date values into bins of 6 hours each, i.e. 12/5/2012 23:57:04 until 12/6/2012 0:03:17 would be in the first bin, 12/6/2012 11:20:53 until 12/6/2012 17:17:07 in the second bin, and so forth. Then, I would like to count the occurrence of those bins, such as bin_from bin_to freq ----------------------------------------------- 12/5/2012 23:57:04 12/6/2012 0:03:17 2 12/6/2012 11:20:53 12/6/2012 17:17:07 19 ... ... ... Hope it is clear what I mean. Partial hints are very welcome as well since I am pretty new to spreadsheeting.

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  • From the Coalface - 3 - Work as hard as you can to be as lazy as you can!

    - by TATWORTH
    The saga of the Change Log A recent conversation reminded me of the need for change logs within a database, to record when various change scripts were run. Creating such the required table is simple. A typical table for this consists of: Id - identity Integer primary key ChangeFileName - NVARCHAR(128) to hold the name of the file run. DateAdded - DateTime non-null with default value of getutcdate() Purpose - NVARCHAR(128) Rerunnable - Bit non-null default 0. By good design of the table only two data values normally need to be supplied. Two stored procedures, one for inserting data and one to list in reverse sequence the log complete the database essentials. The complete implementation can be found in the CommonData solution at http://CommonData.CodePlex.Com By including a call the add Change Log stored procedure, each script can log its name and purpose for posterity. The scripts that were applied to say the UAT system and their sequence of application can be readily identified for running on the Live system. Formatting XML XML is often produced as one continous string with no embedded CR/LF. To get it into human readable form, open it in visual studio, swap to another tab and back and click the format document button. The XML will then be nicely formatted!

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  • What is the correct way to code incoming links for SEO?

    - by DC01
    Our site is giving out 'badges' to our authors. They can post these on their personal blogs and they will serve as incoming links to our site. We want to give out the best possible code for SEO without doing anything that would get us flagged. I would like to know what you're thoughts are on the following snippet of code and if anyone has any DEFINITE advice on dos and donts with it. Also, let me know if any of it is redundant or not worth it for SEO purposes. I've kept the css inline since some of the writers would not have access to add link to external CSS. I've changed the real values, but title, alt etc would be descriptive keywords similar to our page titles etc (no overloading keywords or any of that) <div id="writer" style="width:100px;height:50px;> <h1><strong style="float:left;text-indent:-9999px;overflow:hidden;margin:0;padding:0;">articles on x,y,z</strong> <a href="http://www.site.com/link-to-author" title="site description"> <img style="border:none" src="http://www.site.com/images/badge.png" alt="description of articles" title="View my published work on site.com"/> </a> </h1></div>

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  • If I drop my clustered PK and add a new one, what order will my rows be in?

    - by stack
    In SQL Server, I'm looking at TableA, which currently has a uniqueidentifier clustered primary key. The GUID has no meaning in any context. (I'll give you a second to clean up your keyboard and monitor and set down the soda.) I'd like to drop that primary key and add a new unique integer primary key to the table. My question is this: when I drop the index, modify the column from uniqueidentifier to int, and add the new clustered unique primary key to the modified column, will the new PK values be in the order of insertion into the table, or will they be in some other order? Is this the right way to go here? Will this work? (I'm kind of a noobkin with regard to table creation/modification.)

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  • Recommended design pattern for object with optional and modifiable attributtes? [on hold]

    - by Ikuzen
    I've been using the Builder pattern to create objects with a large number of attributes, where most of them are optional. But up until now, I've defined them as final, as recommended by Joshua Block and other authors, and haven't needed to change their values. I am wondering what should I do though if I need a class with a substantial number of optional but non-final (mutable) attributes? My Builder pattern code looks like this: public class Example { //All possible parameters (optional or not) private final int param1; private final int param2; //Builder class public static class Builder { private final int param1; //Required parameters private int param2 = 0; //Optional parameters - initialized to default //Builder constructor public Builder (int param1) { this.param1 = param1; } //Setter-like methods for optional parameters public Builder param2(int value) { param2 = value; return this; } //build() method public Example build() { return new Example(this); } } //Private constructor private Example(Builder builder) { param1 = builder.param1; param2 = builder.param2; } } Can I just remove the final keyword from the declaration to be able to access the attributes externally (through normal setters, for example)? Or is there a creational pattern that allows optional but non-final attributes that would be better suited in this case?

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  • Release Notes for 6/28/2012

    Here are the notes for this week’s release on CodePlex: Improved the diff viewer to take you directly to the first diff when viewing a file’s diff. We decreased the size of all of our form elements to be more in line with the rest of the content of our site. Fixed various issues around interacting with the diff viewer, especially around scrolling and interacting with the splitter. Fixed an issue where non-project members were seeing inapplicable TFS connection instructions when clicking on the source code details of a project. Fixed an issue where searching with the enter key on the advanced issue tracker was not working. Removed the confirmation pop-up when picking SVN as a source control option. Fixed an issue where the bulk editing dialog of issues in Internet Explorer would become unusable if there were values to choose. Fixed an issue where project logos would not show up when browsing under https in FireFox and Chrome. Fixed an issue affecting the formatting of code in pull request code comment notifications. Have ideas on how to improve CodePlex? Visit our ideas page! Vote for your favorite ideas or submit a new one. Got Twitter? Follow us and keep apprised of the latest releases and service status at @codeplex.

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  • Why is the remove function not working for hashmaps? [migrated]

    - by John Marston
    I am working on a simple project that obtains data from an input file, gets what it needs and prints it to a file. I am basically getting word frequency so each key is a string and the value is its frequency in the document. The problem however, is that I need to print out these values to a file in descending order of frequency. After making my hashmap, this is the part of my program that sorts it and writes it to a file. //Hashmap I create Map<String, Integer> map = new ConcurrentHashMap<String, Integer>(); //function to sort hashmap while (map.isEmpty() == false){ for (Entry<String, Integer> entry: map.entrySet()){ if (entry.getValue() > valueMax){ max = entry.getKey(); System.out.println("max: " + max); valueMax = entry.getValue(); System.out.println("value: " + valueMax); } } map.remove(max); out.write(max + "\t" + valueMax + "\n"); System.out.println(max + "\t" + valueMax); } When I run this i get: t 9 t 9 t 9 t 9 t 9 .... so it appears the remove function is not working as it keeps getting the same value. I'm thinking i have an issue with a scope rule or I just don't understand hashmaps very well. If anyone knows of a better way to sort a hashmap and print it, I would welcome a suggestion. thanks

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  • Clone/mirror a textbox in a PDF form

    - by Tim Pietzcker
    I've got a PDF form in Acrobat X Pro where users can enter their name in a textbox on the first page. I would like the contents of that box to be cloned/mirrored in another box on the second page of the same form: However, in the Properties dialog of the second textbox, I can't find a way to reference the first one. I do have options to calculate numerical values and perform validation etc. etc., but I can't seem to simply have it display the contents of another textbox. Is this not possible in PDF forms, or am I overlooking something obvious?

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  • Cleaning cruft from the stored configs database

    - by Zoredache
    I have setup stored configuration primarily as a method to manage my ssh known_hosts. Unfortunately as I retire hosts the old configs still exist in my database. The answer seems to be run the command puppet node clean <hostname>. The problem is that while this does command does run, and does clean up some data, it doesn't seem to clean up everything. For example I can still find values in the puppet_tags table that only applied to a hosts that no longer exists. What should I be doing to keep my stored configuration database clean of all extra junk that seems to be building up? P.S. Can anyone point me any documentation for the stored configuration schema?  If I could find good documentation, or at least an entity-relationship-diagram, I would be tempted to just do some manual clean-up.

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  • Using prf file to configure outlook clients

    - by chrissie1
    I have a prf file to outlook clients. For the moment the new exchange will be in another domain, that will change in the future. But the usernames on both domains are the same. I see that the example prf just takes the username ;*************************************************************** ; Section 4 - Default values for each service. ;*************************************************************** [ServiceEGS] MailboxName=%UserName% HomeServer=exchange_server_name [Service1] OverwriteExistingService=No UniqueService=Yes MailboxName=%UserName% HomeServer=exchange_server_name AccountName=Microsoft Exchange Server Can I add the domainname to that like so. MailboxName=\\domain\%UserName´% or is there a better way of doing this.

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  • Excel VLOOKUP using results from a formula as the lookup value [on hold]

    - by Rick Deemer
    I have a cell that I must remove the first 2 characters "RO" for each value in a column on a sheet called RAW DATA and put into a cell on a sheet called ROSS DATA. Some of the values in that cell have 3 digits after the "RO", and some have 5 digits. To do that I used =REPLACE('RAW DATA'!A3,1,2,"") Then I need to use this new resultant string as the lookup value in a VLOOKUP. The VLOOKUP will be looking at a named range called DAP on a sheet called DAP, in column 5 for an exact match, and I need it to return that value to the cell. I have tried using INDIRECT in different ways to no avail, and I'm not sure that I fully understand its usage. So at this point I am Googling for a method to do this and at a standstill.

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  • How to get the level and position of the player from an extern program? [on hold]

    - by user3727174
    I want to write a program that needs the current level and position of the player (primary single player). This should work for potentially every game installed and running on the computer my program is running on. The data I need is basically one integer value for the level (if there are any) and three integer values for x, y and optimal z for the position of the player. In which relation/scale or where the null point is does not matter, because this information is going to be interpreted game dependent, I will use this information to read information out of a database created for the game currently running. Currently I'm using C++, but if there is a better option for Java I´m willing to port my program. My thoughs so far are: make a mod for every game that should be supported, get the position/level from there, write this information to the disk and read it from my program tracking mouse/keyboard events and reconstructing the movement won't work Are there any general APIs for something like this? Any Tool to find this data? Or maybe engines that provide APIs to get this data directly from the game?

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  • Representing a world in memory

    - by user9993
    I'm attempting to write a chunk based map system for a game, where as the player moves around chunks are loaded/unloaded, so that the program doesn't run out of memory by having the whole map in memory. I have this part mostly working, however I've hit a wall regarding how to represent the contents of each chunk in memory because of my so far limited understanding of OOP languages. The design I have currently has a ChunkManager class that uses a .NET List type to store instances of Chunk classes. The "chunks" consist of "blocks". It's similar to a Minecraft style game. Inside the Chunk classes, I have some information such as the chunk's X/Y coordinate etc, and I also have a three dimensional array of Block objects. (Three dimensional because I need XYZ values) Here's the problem: The Block class has some basic properties, and I had planned on making different types of blocks inherit from this "base" class. So for example, I would have "StoneBlock", "WaterBlock" etc. So because I have blocks of many different types, I don't know how I would create an array with different object types in each cell. This is how I currently have the three dimensional array declared in my Chunk class: private Block[][][] ArrayOfBlocks; But obviously this will only accept Block objects, not any of the other classes that inherit from Block. How would I go about creating this? Or am I doing it completely wrong and there's a better way?

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  • Is it possible to have a cell in table1 "point to" a cell in table2?

    - by Lewray
    I have a hierarchical structure in a database driven software application. Each row in parentTable 'owns' a number of rows in childTable. If the childTable does not have a value set in columnA then it should return the value specified in the appropriate row of parentTable columnB. Is it possible to implement a pointer or cell reference somehow so that I do not have to copy values from parent to child. (A change in parent could result in a large number of changes in child). If this is not possible, could anyone suggest a different approach?

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  • Solaris kstat sdX disk nread counter value decreasing

    - by mykhal
    I get strange disk io nread (bytes read) counter values (from kstat) on Solaris. Example of collected nread value for sd6 disk collected in 30s interval (command kstat -n sd6): 768579416 768579416 768579416 768579416 768579416 768579416 768579416 768496080 768496080 768496080 768496080 768496080 768496080 768496080 768496080 768530896 768530896 768447560 768447560 768447560 One would suppose that the relative read bytes count can't be negative.. I wonder what can couse this situation and whether there is more reliable disk io data available. Some info about the system: machine:~ # uname -a SunOS machine 5.10 Generic_127112-11 i86pc i386 i86pc machine:~ # cat /etc/release Solaris 10 11/06 s10x_u3wos_10 X86 Copyright 2006 Sun Microsystems, Inc. All Rights Reserved. Use is subject to license terms. Assembled 14 November 2006

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  • Wireshark Display Filter protocol==TLSV1? (and PacketLength)

    - by NealWalters
    What would the filter expression be to just select the protocols where the protocol = TLSV1? Something obvious like protocol == "TLSV1" or TCP.protocol == "TLSV1" is apparently not the right way. ip.proto == "TLSV1" says "ip.proto cannot accept strings as values" Update - additional tips: Another great but hidden search is on PacketLength: You can add packet length to your display by clicking "Edit Preferences" (menu or icon), and adding the PacketLength as a new column, but to filter on it you have to use the more cryptic: frame.len == ### where ### is your desired number. We were using this to determine how many packets had been sent and/or received, when you filter, the status-bar at the bottom of the screen shows the number of items matching the filter.

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  • How to use filegroups for DB split?

    - by Robin Jain
    In my project I have one DB used for everything. I want it to break into two databases. Static tables having look up values are to be stored in one DB and another DB would be having tables with dynamic data. My problem is that how would I use foreign key constraint in between those two DBs. Can someone help me out and suggest a way to proceed, better if I'm provided an example for the same. I thought of using synonyms for tables and then constraints on synonyms. but later I came to know that synonyms couldn't be used for constraints. I need to maintain relationships among the tables from both DB as the issue is with update, with a new release I just want to update look up tables and for the same I want to split my DB. I want to know how FileGroups could be used for this.

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  • Innodb statistics

    - by user64204
    We're running InnoDB as a MySQL engine and using phpMyadmin to administer our database. Under Status - Query statistics, phpMyadmin gives us the following: We would like to know where these figures come from because we would like to create a Munin graph showing the evolution of these statistics over time. When we run the SHOW STATUS; query here is what we get: Innodb_rows_deleted 247555 Innodb_rows_inserted 822911 Innodb_rows_read 694934413 Innodb_rows_updated 15048 As you can see there is a substantial difference although both were taking almost at the same time. Q: Do you know where phpMyadmin gets its values from?

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