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• Pagination in Google App Engine with Java

  - by newbie

  I need to create simple pagination of objects, but when I read manual I found out that query.setRange(5, 10); will fetch 10 objects, even when only 5 objects are needed. Is there anyway to fetch just needed objects? EDIT: I started bounty, so fi you can show me simple example code in Java that works, then I will accept you answer.

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• Correct to check for a command line flag in bash

  - by BCS

  In the middle of a scrip, I want to check if a given flag was passed on the command line. The following does what I want but seems ugly: if echo $* | grep -e "--flag" -q then echo ">>>> Running with flag" else echo ">>>> Running without flag" fi Is there a better way? Note: I explicitly don't want to list all the…

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• Jquery with call back functions

  - by pplegend

  Hi, i have one problem with the Jquery callback functions, here is the link: http://saveenergy.metropolia.fi/views/pihkapuisto/ as you can see, the first page works fine. but all the others are not fine. they always right side and the size is too small. anyone knows how to change the position and size, make it looks like the first one? thanks

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• How do I conditionally redirect the output of a command to /dev/null?

  - by Lawrence Johnston

  I have a script. I would like to give this script a quiet mode and a verbose mode. This is the equivalent of: if $verbose then redirect="> /dev/null" fi echo "Verbose mode enabled" $redirect # This doesn't work because the redirect isn't evaluated. I'd really like a better way of doing this than writing if-elses for every statement…

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• Parsing result of Diff in Shell Script

  - by Saobi

  I want to compare two files and see if they are the same or not in my shell script, my way is: diff_output=`diff ${dest_file} ${source_file}` if [ some_other_condition -o ${diff_output} -o some_other_condition2 ] then .... fi Basically, if they are the same ${diff_output} should contain nothing and the above test would evaluate to true. …

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• How do I play with test command properly?

  - by httpinterpret

  [root@jiaoyou ~]# test 1 = 1 -a 0 = 1 [root@jiaoyou ~]# if [1 = 1 -a 0 = 1]then echo 1;else echo 2;fi -bash: syntax error near unexpected token `else' Why test doesn't give any output and the if statement fails? Can someone point out what's wrong here?

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• What will be the return status in the following sheel script.

  - by Pradip Bhojania

  i have two shell scripts: script1.sh echo "date : DATE" exit 0; script2.sh ./scripts1.sh if [ $? -eq 0 ]; then reboot; else echo "Failed" fi What should be the result. Ideally it should have been "reboot" , however on some execution i got the "failed" message too. Can anyone explain why this happens?

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• How do I use a file grep comparison inside a bash if/else statement?

  - by openid_kenja

  When our server comes up we need to check a file to see how the server is configured. We want to search for the following string inside our /etc/aws/hosts.conf file: MYSQL_ROLE=master Then, we want to test whether that string exists and use an if/else statement to run one of two options depending on whether the string exists or not. …

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• BluRay audio/video stuttering with PowerDVD 11, WinDVD 11 Pro, etc? Xonar/Auzen HD audio option?

  - by jrista

  I recently upgraded my Windows 7 MediaCenter HTPC due to a motherboard failure (really old motherboard and cpu, it was on its last legs.) I chose to upgrade to an i5 system with everything built into the motherboard. I did my due diligence, researched, and found some hardware that was within my budget. I ended up with: Core i5 2500K…

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• Why are USB 2.0 devices crashing my system?

  - by BenAlabaster

  Background on the machine I'm having a problem with: The machine was inherited and appears to be circa 2003 (there's a date stamp on the power supply which leads me to this conclusion). I've got it set up as a Skype terminal for my 2 year old to keep in touch with her grandparents and other members of the family - which everyone…

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• Setting environment variables in OS X

  - by Percival Ulysses

  Despite the warning that questions that can be answered are preferred, this question is more a request for comments. I apologize for this, but I feel that it is valuable nonetheless. The problem to set up environment variables such that they are available for GUI applications has been around since the dawn of Mac OS X. The…

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• Securing an ASP.NET MVC 2 Application

  - by rajbk

  This post attempts to look at some of the methods that can be used to secure an ASP.NET MVC 2 Application called Northwind Traders Human Resources.  The sample code for the project is attached at the bottom of this post. We are going to use a slightly modified Northwind database. The screen capture from SQL…

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• Chock-full of Identity Customers at Oracle OpenWorld

  - by Tanu Sood

    Oracle Openworld (OOW) 2012 kicks off this coming Sunday. Oracle OpenWorld is known to bring in Oracle customers, organizations big and small, from all over the world. And, Identity Management is no exception. If you are looking to catch up with Oracle Identity Management customers, hear first-hand about their…

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• HTG Explains: Why Does Rebooting a Computer Fix So Many Problems?

  - by Chris Hoffman

  Ask a geek how to fix a problem you’ve having with your Windows computer and they’ll likely ask “Have you tried rebooting it?” This seems like a flippant response, but rebooting a computer can actually solve many problems. So what’s going on here? Why does resetting a device or restarting a program fix so many problems?…

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• Screenshot Tour: Ubuntu Touch 14.04 on a Nexus 7

  - by Chris Hoffman

  Ubuntu 14.04 LTS will “form the basis of the first commercially available Ubuntu tablets,” according to Canonical. We installed Ubuntu Touch 14.04 on our own hardware to see what those tablets will be like. We don’t recommend installing this yourself, as it’s still not a polished, complete experience. We’re using…

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• A .NET Developers day with the iPad.

  - by mbcrump

  The Apple iPad is currently getting a lot of buzz because of the app store, the book store and of course iTunes. I had the chance to play with one and this is what I have learned about the device. Let’s get this out of the way first, the iPad is awesome. It is the device for media consumption and casual web…

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• Webalizer causing high CPU load

  - by Tom

  We use webalizer to generate reports on our Apache access logs - it is useful in conjunction with Google Analytics. The problem is that webalizer uses ALOT of CPU when running. If I run top I can see two perl processes with 90% CPU - this slows down the machine and therefore the website for our users. …

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• Mass targeted malware installed - g00glestatic.com [closed]

  - by Silver89

  Possible Duplicate: My server’s been hacked EMERGENCY I run a webserver which over the last few days seems to have become infected with malware that tries to include content from "http://g00glestatic.com/s.js" It appears the attacker gained access to one of the user accounts (not root), made a…

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• Problem using Polar Irda device in Windows Server 2008

  - by AngrySpade

  I'm attempting to use the Polar IrDA device with Windows Server 2008 R2 x64. Although they dont make explicit drivers for it, I figured the Windows 7 x64 drivers would do. …

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• How to roll-your-own live CD for safe home browsing

  - by user36533

  Hi, I'm interested in booting-off-flash (i.e. like livecd) for more secure online banking at home. -I like system rescue CD, but AFAIK it doesn't have the wifi drivers.…

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• /etc/enviorment not being read into PATH variable

  - by Dan

  In Ubuntu the path variable is stored in /etc/enviorment. This is mine (I've made no changes to it, this is the system default): $ cat /etc/environment …

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• /etc/environment not being read into PATH variable

  - by Dan

  In Ubuntu the path variable is stored in /etc/environment. This is mine (I've made no changes to it, this is the system default): $ cat /etc/environment…

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• Can't set-up Wifi Adhoc on my Raspberry Pi with an USB dongle

  - by Wouter

  I am trying to set-up an access point (ad-hoc) for my Raspberry Pi. That means I'm trying to "share" the ethernet connection over Wi-Fi. I am doing this…

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• Is is possible to change MAC address of a WiMAX USB adapter?

  - by Salman A

  Wondering if it is possible to change the MAC address of a WiMAX USB adapter (read WiMAX, not Wi-Fi) manufactured by Motorola, ZTE, Intel etc. I've…

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• How do I tell logrotate what files to rotate with cron?

  - by cwd

  On my webserver I have this file: /etc/logrotate.d/apache2 I know it is logrotating /var/log/apache2/.log, but if I want to add things that are in…

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