Search Results

Search found 24117 results on 965 pages for 'write'.

Page 477/965 | < Previous Page | 473 474 475 476 477 478 479 480 481 482 483 484  | Next Page >

• SQL SERVER – Puzzle to Win Print Book and Free 30 Days Online Training Material

  - by pinaldave

  Yesterday I had asked a simple question SQL SERVER – Puzzle to Win Print Book – Write T-SQL Self Join Without Using LEAD and LAG with keeping two simple intention. We can all learn about new feature of SQL Server 2012 We can learn new feature of SQL Server 2012 while practicing on earlier version of SQL Server. While I was creating question due to copy-paste error the question was not correctly created. In simple word – I made a mistake. This created some confusion and I feel bad about this. Here is what we will do. Please read the question again and attempt to answer the question which I have asked in the blog post. Yesterday the give away was my SQL Server Interview Questions and Answers book. As the question was corrected after a while, the give away are now got sweeter. SQL Server Interview Questions and Answers book – 2 Copy 30 Days Online Training Material of Pluralsight. They have excellent learning resources – I have written my 6 hour learning experience over Learning SSAS (SQL Server Analysis Services) Online in 6 Hours. Reference: Pinal Dave (http://blog.SQLAuthority.com) Filed under: Pinal Dave, PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, SQL Training, SQLServer, T SQL, Technology

  Read the article

• Printer monitor software across multiple workstations (AD integrated)

  - by HannesFostie

  I was asked to see if there is any kind of (free) software that allows multiple people in an office that use the same printer to see what jobs have finished recently, which are queued and which is printing. Main reason is that sometimes multiple people have the same task where they need to print some kind of form, and they are unsure whether or not their colleague has already printed the file. Because the printer is AD integrated, they only see a short message when printing, but they do not see a proper printer queue. A simple tray icon/tool would be perfect, no real graphical user interface is required. If this turns out to be too hard to find, I will attempt to write a simple application or script for the job, but since this is a low priority job I decided to ask here first before I start messing around with scripting which isn't my forte. Thanks

  Read the article

• 7zip: how to extract to std output?

  - by Jason S

  I have 7z 4.65 and am trying to extract a single file to standard output. The 7z command-line help says -so is the command-line parameter to extract to standard output, but when I try this: >>> 7z e -so dist\dlogpkg.jar META-INF/MANIFEST.MF 7-Zip 4.65 Copyright (c) 1999-2009 Igor Pavlov 2009-02-03 Error: I won't write data and program's messages to same terminal how can I fix this? There doesn't seem to be a command line param to suppress the normal 7z stdout messages. (edit: the equivalent operation in "unzip" would be unzip -p dist\dlogpkg.jar META-INF/MANIFEST.MF which works fine. But I'd like to use 7z for various reasons.)

  Read the article

• Windows command line built-in compression/decompression tool?

  - by Will Marcouiller

  I need to write a batch file to unzip files to their current folder from a given root folder. Folder 0 |----- Folder 1 | |----- File1.zip | |----- File2.zip | |----- File3.zip | |----- Folder 2 | |----- File4.zip | |----- Folder 3 |----- File5.zip |----- FileN.zip So, I wish that my batch file is launched like so: ocd.bat /d="Folder 0" Then, make it iterate from within the batch file through all of the subfolders to unzip the files exactly where the .zip files are located. So here's my question: Does the Windows (from XP at least) have a command line for its embedded zip tool? Otherwise, shall I stick to another third-party util?

  Read the article

• database on SSD: data only or the DBM program too?

  - by simone

  I plan on moving the data I use for statistical analysis (100-ish Gb) onto an SSD. The data is either sqlite single-file db's, or postgresql-managed data. The SSD is 240 Gb, 550 MB/s read and 520 MB/s write. Should I reserve that space for the data only, or would it be a good idea to install the operating system (Mac OS X) and the application directory (Adobe Suite, Microsoft Office and the like) on the SSD too? And would it make a substantial speed difference whether I also install the postgresql binaries on the SSD? I have plenty of other space (another 300Gb hard-drive, and a 1Tb one). Don't know the features of the non-SSD drives, though they're our standard equipment on all Macs, and they're definitely OK. Thanks.

  Read the article

• Building a Redundant / Distrubuted Application

  - by MattW

  This is more of a "point me in the right direction" question. I (and my team of 3) have built a hosted web app that queues and routes customer chat requests to available customer service agents (It does other things as well, but this is enough background to illustrate the issue). The basic dev architecture today is: a single page ajax web UI (ASP.NET MVC) with floating chat windows (think Gmail) a backend Windows service to queue and route the chat requests this service also logs the chats, calculates service levels, etc a Comet server product that routes data between the web frontend and the backend Windows service this also helps us detect which Agents are still connected (online) And our hardware architecture today is: 2 servers to host the web UI portion of the application a load balancer to route requests to the 2 different web app servers a third server to host the SQL Server DB and the backend Windows service responsible for queuing / delivering chats So as it stands today, one of the web app servers could go down and we would be ok. However, if something would happen to the SQL Server / Windows Service server we would be boned. My question - how can I make this backend Windows service logic be able to be spread across multiple machines (distributed)? The Windows service is written to accept requests from the Comet server, check for available Agents, and route the chat to those agents. How can I make this more distributed? How can I make it so that I can distribute the work of the backend Windows service can be spread across multiple machines for redundancy and uptime purposes? Will I need to re-write it with distributed computing in mind? I should also note that I am hosting all of this on Rackspace Cloud instances - so maybe it is something I should be less concerned about? Thanks in advance for any help!

  Read the article

• How to allow program updates without prompting UAC?

  - by Ryan Mortier

  We have about 15-20 users who have this software installed. We have UAC enabled through GPO as you should, which means the software prompts for admin approval if a standard user trys to install it. Thats fine, they can call the help desk to have the software installed. My problem is, our help desk is being bombarded every day because users can't update the software and there are updates almost every day which is prompting UAC. Using procmon.exe to find out where it was trying to write to, I then created a GPO to allow file permission access to the program files folder for this particular software, including the program data folder, but it still prompts for admin approval. It seems as though that the software is using msiexec.exe to run a .msp patch file. The only "ACCESS DENIED"s I can still see in procmon is things like this: What can I possibly do to stop this software from prompting UAC with admin password credentials aside from disabling UAC?

  Read the article

• Building Interactive User Interfaces with Microsoft ASP.NET AJAX: Refreshing An UpdatePanel With Jav

  The ASP.NET AJAX UpdatePanel provides a quick and easy way to implement a snappier, AJAX-based user interface in an ASP.NET WebForm. In a nutshell, UpdatePanels allow page developers to refresh selected parts of the page (instead of refreshing the entire page). Typically, an UpdatePanel contains user interface elements that would normally trigger a full page postback - controls like Buttons or DropDownLists that have their AutoPostBack property set to True. Such controls, when placed inside an UpdatePanel, cause a partial page postback to occur. On a partial page postback only the contents of the UpdatePanel are refreshed, avoiding the "flash" of having the entire page reloaded. (For a more in-depth look at the UpdatePanel control, refer back to the Using the UpdatePanel installment in this article series.) Triggering a partial page postback refreshes the contents within an UpdatePanel, but what if you want to refresh an UpdatePanel's contents via JavaScript? Ideally, the UpdatePanel would have a client-side function named something like Refresh that could be called from script to perform a partial page postback and refresh the UpdatePanel. Unfortunately, no such function exists. Instead, you have to write script that triggers a partial page postback for the UpdatePanel you want to refresh. This article looks at how to accomplish this using just a single line of markup/script and includes a working demo you can download and try out for yourself. Read on to learn more! Read More >

  Read the article

• What is the correct way to restart udev in Ubuntu?

  - by zerkms

  I've changed the name of my eth1 interface to eth0. How to ask udev now to re-read the config? service udev restart and udevadm control --reload-rules don't help. So is there any valid way except of rebooting? (yes, reboot helps with this issue) UPD: yes, I know I should prepend the commands with sudo, but either one I posted above changes nothing in ifconfig -a output: I still see eth1, not eth0. UPD 2: I just changed the NAME property of udev-rule line. Don't know any reason for this to be ineffective. There is no any error in executing of both commands I've posted above, but they just don't change actual interface name in ifconfig -a output. If I perform reboot - then interface name changes as expected. UPD 3: let I explain all the case better ;-) For development purposes I write some script that clones virtual machines (VirtualBox-driven) and pre-sets them up in some way. So I perform a command to clone VM, start it and as long as network interface MAC is changed - udev adds the second rule to network persistent rules. Right after machine is booted for the first time there are 2 rules: eth0, which does not exist, as long as it existed in the original VM image MAC eth1, which exists, but all the configuration in all files refers to eth0, so it is not that good for me So I with sed delete the line with eth0 (it is obsolete and useless in cloned image) and replace eth1 with eth0. So currently I have valid persistent rule, but there is still eth1 in /dev. The issue: I don't want to reboot the machine (it will take another time, which is not good thing on building-VM-stage) and just want to have my /dev rebuilt with some command so I have ready-to-use VM without any reboots.

  Read the article

• How lookaheads are propagated in "channel" method of building LALR parser?

  - by greenoldman

  The method is described in Dragon Book, however I read about it in ""Parsing Techniques" by D.Grune and C.J.H.Jacobs". I start from my understanding of building channels for NFA: channels are built once, they are like water channels with current you "drop" lookahead symbols in right places (sources) of the channel, and they propagate with "current" when symbol propagates, there are no barriers (the only sufficient things for propagation are presence of channel and direction/current); i.e. lookahead cannot just die out of the blue Is that right? If I am correct, then eof lookahead should be present in all states, because the source of it is the start production, and all other production states are reachable from start state. How the DFA is made out of this NFA is not perfectly clear for me -- the authors of the mentioned book write about preserving channels, but I see no purpose, if you propagated lookaheads. If the channels have to be preserved, are they cut off from the source if the DFA state does not include source NFA state? I assume no -- the channels still runs between DFA states, not only within given DFA state. In the effect eof should still be present in all items in all states. But when you take a look at DFA presented in book (pdf is from errata): DFA for LALR (fig. 9.34 in the book, p.301) you will see there are items without eof in lookahead. The grammar for this DFA is: S -> E E -> E - T E -> T T -> ( E ) T -> n So how it was computed, when eof was dropped, and on what condition? Update It is textual pdf, so two interesting states (in DFA; # is eof): State 1: S--- >•E[#] E--- >•E-T[#-] E--- >•T[#-] T--- >•n[#-] T--- >•(E)[#-] State 6: T--- >(•E)[#-)] E--- >•E-T[-)] E--- >•T[-)] T--- >•n[-)] T--- >•(E)[-)] Arc from 1 to 6 is labeled (.

  Read the article

• is it worth defragging an iPod

  - by alimack

  Essentially my 5G iPod was cutting tracks off and generally misbehaving. So I did the following: 1) Use Diskwarrior - heavy directory fragmentation which it fixed; 2) Use iDefrag - some fragmentation but it kept halting as it couldn't move files; 3) Try to write out drive with Disk Utility - got a warning from DU so gave up before I started; 4) Completely restored using iTunes; 5) Reran Diskwarrior - still heavy directory fragmentation; 6) Reran iDefrag, still fragmentation although limited to two bands; The iPod is much quicker to traverse menus and no more track skipping. My question is this - is defragging worth it or does the heat generated by the process kill the drive and make it a self-defeating process. Anyone have any metrics/ figures? Clearly it's a bad idea for solid state drives like the nano & touch.

  Read the article

• what might cause a print error in perl?

  - by Mark J Seger

  I have a long running script that every hour opens a file, prints to it and closes the file. I've recently found very rarely, the print is failing, not because I'm testing the status of the print itself but rather due to the fact of missing entries in the file until the system is actually rebooted! I do trap for file open failures and write a message to syslog when that happens and I'm not seeing any open failures so I'm now guessing it may be the print that is failing. I'm not trapping the print failures, which I suspect most people don't but am now going to update that one print. Meanwhile, my question is does anyone know what types of situations could cause a print statement to fail when there is plenty of disk storage and no contention for a file which has been successfully opened in append mode?

  Read the article

• How to boot RHEL with no bash?

  - by nmelmun

  How can I boot a RHEL VM if I deleted /bin/bash? When trying to boot, I now get the following error: "INIT: Cannot execute "/etc/rc/d/rc.sysinit" The next thing I tried was to modify the kernel boot parameters by adding init=/bin/ksh at the end of the line, which gave me a functional shell. After this, in order to get write permissions, I remounted the root partition with: mount -o remount,rw / Then I tried to boot using ksh as the shell by tricking the system into thinking it's bash: ln -s /bin/ksh /bin/bash Then restarted the system normally. Unfortunately this didnt work since ksh is not compatible and /etc/rc.d/rc.sysinit uses several bash-specific tricks. Does anyone else have a suggestion on how I could get the system to boot normally without reinstalling bash?

  Read the article

• SRSS Client Print Module must be downloaded every use

  - by Jmcgee73

  I am currently having an issue with SQL Server Reporting Services. Everytime a user clicks the print button for the report, the user must install the ActiveX client print module. The issue is that our clients are not admins on their computers. So therefore they can not install the module. I have gotten around this roughly by adding the SQL address to trust sites, setting "Download signed Active Controls" to enable, and then giving the users permission to write to "C:\Windows\Downloaded Program Files". However, this is fix is not easy to distrubute to our user base. I am using SQL Server 2008 SP3 CU3 running on Server 2008 R2. I believe the browser thinks the version is newer than what is on the server. I have tried downloading the print module CAB file from the SQL server and installing manually. That did not work either. Thanks!

  Read the article

• Sub-process /usr/bin/dpkg returned an error code (1)

  - by rohit

  Hey friends i am getting the following error when i am trying to purge shorewall root@aptosid:/etc# apt-get purge shorewall Reading package lists... Done Building dependency tree Reading state information... Done The following packages will be REMOVED: shorewall* 0 upgraded, 0 newly installed, 1 to remove and 3 not upgraded. 1 not fully installed or removed. After this operation, 1,843 kB disk space will be freed. Do you want to continue [Y/n]? (Reading database ... 212702 files and directories currently installed.) Removing shorewall ... : not found/shorewall: 25: /etc/default/shorewall: :q Stopping "Shorewall firewall": not done (check /var/log/shorewall-init.log). invoke-rc.d: initscript shorewall, action "stop" failed. dpkg: error processing shorewall (--purge): subprocess installed pre-removal script returned error exit status 1 configured to not write apport reports Errors were encountered while processing: shorewall E: Sub-process /usr/bin/dpkg returned an error code (1) root@aptosid:/etc# please help me out ...........?

  Read the article

• Would you refactor this and if so, would you charge your client?

  - by Julius

  I am working on a freelance job at home. The client wants me to write some new functionality for his CMS, but it is taking me a lot of time to figure out what the code is doing, because it is written in a very unreadable style. Below is just an example of what I mean. The previous programmer made extensive use of anonymous functions, of eval(), he uses deeply nested ternary operators, he didn't indent code, didn't use comments, and he uses funny constructions like misusing the behaviour of logical operators || and && for creating if/else conditions (the second condition of && only gets tested if the first one is true, opening the possibility to use && as an if/else construction). All in all it's insane code and it's costing me a lot of time to find out how the current code works. return ($this->main->context != "ajax" || in_array($this->type, $this->definition->ajax)) ? eval('return method_exists($this,"Show'.ucfirst($this->type).'") ? $this->Show'.ucfirst($this->type).'('.(count($args) ? join(",",array_map(create_function('$a','return (is_numeric($a) || preg_match("/^array/",$a)) ? $a : "\"".$a."\"";'),$args)) : "").') : null;') : ''; Would you refactor this code and how would you handle this sort of thing with your client, I mean financially?

  Read the article

• Installing Windows Mobile SDK without Visual Studio

  - by Tester101

  Is it possible to install the Windows Mobile SDK without having Visual Studio? I am using SharpDevelop to write a Windows Mobile application, but I need to use an assembly in the Windows Mobile 6.0 SDK. When I try to install the SDK I get a message that says Visual Studio is a prerequisite, and I am un able to install it. Is there a way to trick it in to thinking Visual Studio is installed; maybe a registry entry that can be added or something, or am I just hosed? Is there a reason I need to pay for Microsoft's IDE, or is this just a way for Microsoft to make some extra money? Thanks,

  Read the article

• How to automatically restart RRAS service after OpenVPN

  - by JT

  I have OpenVPN set up on a Windows Server 2003 box using a routed configuration. This allows users to connect and access the work LAN subnet. There are remote hosts/services however that are only accessible when used via the work network. To enable access these, I push routes out to the clients to make sure traffic to these destinations goes across the VPN, and NAT the traffic using RRAS. This all works, except: if I restart the OpenVPN service, network traffic stops working until I restart the RRAS service as well. Is there a good way for me to make the RRAS service start/restart after OpenVPN? Are service dependencies the way to go? Obviously I could write a batch file to do this, but I'd like to make the process as bullet-proof and obvious as I can so it doesn't cause problems for other admins.

  Read the article

• Leveraging Code in Ever Bigger Games

  - by ashes999

  Summary: The same way that I continually build complex engines and libraries within a single platform and technology to allow me to build increasingly bigger and better games, how to continue this when development crosses into different platforms? If I switch platforms, how do I leverage past code and experiences? Games are hard to build. Big games are even harder to build. I've decided that to be able to make big games, I need to start building smaller games, and building up an asset base of code, assets (graphics, sounds), tools, and most importantly, game engines, so that I can eventually get there. One game at a time. Let me give an analogy. To build an MMO 3D RPG, I would approach this by building and releasing small games with increasingly more features. This could entail, for example: A simple 2D game A tile-based game A game with RPG elements (items, equipment, monsters, battle) A full-fledged RPG A 3D RPG The problem now is if I have to change platforms or tools, I don't know how to leverage past code-bases (and experience) to start with a mature product. Right now, I'm writing Silverlight (FlatRedBall) games. Let's say I stick with this for ten years, and then suddenly decide to write a PS6 game, which is in a different programming language entirely. Granted, I have ten years of game-development experience (and correspondingly ten years of professional software development experience from my day job) to back me up. But I would still like some way to transplant that 2D RPG engine into the new programming language, or else leverage it somehow. Is this even possible? What are my options?

  Read the article

• ASP.NET MVC Application In Action - I (DailyJournal)

  - by Rajesh Pillai

  Its been long due I was planning to write an article on creating some useful ASP.NET MVC application. I have code named it "DailyJournal". Its a simple application which allows creation of multiple activities and assign tasks to these activities. Its' kind of "Yet another Task/Todo application". The credentials which you can use with the attached demo application is shown below.   Collapse Copy Code User Name : admin Password : admin123 Framework/Libraries Used ASP.NET MVC jQuery + jQuery UI (for ajax and UI) ELMAH for Error logging Warning Ahead This is just a rough draft and so I am putting down some of the known limitation. Some points of warning before we move further with this application. This is just an early prototype. As such many of the design principles have been ignored. But, I try to cover that up in the next update once I get my head around this. The application in its current state supports the following features Create users Assign Activities to users Assign tasks to activities Assign a status to a task The user creation/authentication is being done by the default Membership provider. Most of the activities are highly visual i.e. you can drag-drop task to different areas, in-place edition of task details and so on.   The following are the current issues with the design which I promise to refactor in the second version. No Validations Fat Controller XSS/CSS vulnerable No Service model/abstraction yet. For the demo LINQ to SQL is implemented. No separation of layers UI Design et el... This is just an extract.  For source code and more information proceed to http://www.codeproject.com/KB/aspnet/mvcinaction.aspx Hope you like this!

  Read the article

• How to restore Windows7 after restore ubuntu bootloader?

  - by Mateusz Rogulski

  At first I will describe my situation in a few points: I have installed Windows7, and then Ubuntu 11.04 on my machine. Then everything works fine and at start of system I have screen from linux where I can choose the system. Then I reinstall Windows7 and install Windows 8 on other partition. Then I can choose between Win7 and win8 when I start system. Then I need my Ubuntu back so I want restore my bootloader from Ubuntu. I boot Ubuntu from USB and in terminal write this commands: sudo fdisk -l Then I get: /dev/sda1 1 13 104391 de Dell Utility /dev/sda2 14 2805 22425601 5 Rozszerzona /dev/sda3 * 2805 41968 314572800 7 HPFS/NTFS /dev/sda4 41968 60802 151282688 7 HPFS/NTFS /dev/sda5 14 2445 19530752 83 Linux /dev/sda6 2445 2805 2893824 82 Linux swap / Solaris Next commands: sudo mount /dev/sda5 /mnt sudo mount --bind /dev /mnt/dev sudo mount --bind /proc /mnt/proc sudo chroot /mnt grub-install /dev/sda I get Installation finished. No error reported.. And when I start my machine I have old Ubuntu start screen to choose system. Ubuntu works well. But There are no Windows 8 option. But my primary problem is when I choose Windows 7 I have: error: no such device ... error: no such disk so I have no idea what can I do. I really need both systems to work. Any help would be appreciated.

  Read the article

• Inheriting projects - General Rules? [closed]

  - by pspahn

  Possible Duplicate: When is a BIG Rewrite the answer? Software rewriting alternatives Are there any actual case studies on rewrites of software success/failure rates? When should you rewrite? We're not a software company. Is a complete re-write still a bad idea? Have you ever been involved in a BIG Rewrite? This is an area of discussion I have long been curious about, but overall, I generally lack the experience to give myself an answer that I would fully trust. We've all been there, a new client shows up with a half-complete project they are looking to finish and launch. For whatever reason, they fired their previous developer, and it's now up to you to save the day. I am just finishing up a code review for a new client, and in my estimation is would be better to scrap what the previous developers built since and start from scratch. There's a ton of reasons why I am leaning toward this way, but it still makes me nervous since the client isn't going to want to hear "those last guys built you a big turd, and I can either polish it, or throw it in the trash". What are your general rules for accepting these projects? How do you determine whether it will be better to start from scratch or continue with the existing code base? What other extra steps might you take to help control client expectations, since the previous developer may have inflated those expectations beyond a reasonable level? Any other general advice?

  Read the article

• PHP rand function (or not so rand)

  - by Badr Hari

  I was testing PHP rand function to write on a image. Of course the output shows that it's not so random. The code I used: <?php header('Content-Type: image/png'); $lenght = 512; $im = imagecreatetruecolor($lenght, $lenght); $blue = imagecolorallocate($im, 0, 255, 255); for ($y = 0; $y < $lenght; $y++) { for ($x = 0; $x < $lenght; $x++) { if (rand(0,1) == 0) { imagesetpixel($im, $x, $y, $blue); } } } imagepng($im); imagedestroy($im); ?> My question is, if I use image width/lenght (variable $lenght in this example) number like 512, 256 or 1024, it is very clear that it's not so random. When I change the variable to 513 for an example, it is so much harder for human eye to detect it. Why is that? What is so special about these numbers? 512: 513: Edit: I'm running xampp on Windows to test it.

  Read the article

• Does openssl errno 104 mean that SSLv2 is disabled?

  - by David

  I want to check if my server has SSLv2 disabled. I am doing this by attempting to connect remotely with openssl with the following shell command. openssl s_client -connect HOSTNAME:443 -ssl2 Most literature I could find on the Internet says if I see something similar to the following error then SSLv2 is properly disabled. 29638:error:1407F0E5:SSL routines:SSL2_WRITE:ssl handshake failure:s2_pkt.c:428: I do get the above error when connecting to my Ubuntu server with SSLv2 disabled in Apache Apache but when I connect to my Windows Server 2008 R2 server with SSLv2 disabled in the registry I get the following output and error. CONNECTED(00000003) write:errno=104 I can't find any literature explaining this output and error. If anybody could explain to me if and why this output and error means that SSLv2 is properly disabled, I would appreciate it. Thanks!

  Read the article

• How to create chroot jail with ability to change some system settings

  - by Tadeck

  How to properly create chroot jail (on Ubuntu, or some some other Linux if not applicable) to make user able to edit system settings (eg. with ifconfig) and be able to communicate with external scripts? The use case would be to enable user to authenticate using SSH and then be able to perform very limited set of actions from command line. Unfortunately the tricky part is the access to system settings. I have considered multiple options and the alternative is to setup fake SSH server (eg. with Twisted), try to use restricted shell (however, I seem to need chroot still), or write a script on top of the shell (?).

  Read the article

< Previous Page | 473 474 475 476 477 478 479 480 481 482 483 484  | Next Page >