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Regular Expression to match only alphabetic characters

...tch alpha-chars in all Unicode alphabet languages. Easy peasy. More info: http://en.wikipedia.org/wiki/Regular_expression#Character_classes http://ruby-doc.org/core-2.0/Regexp.html share | improve ...
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@Transactional(propagation=Propagation.REQUIRED)

...er transaction's chance to actually commit (as you would expect it to). http://static.springsource.org/spring/docs/3.1.x/spring-framework-reference/html/transaction.html share | improve this answ...
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Get file size, image width and height before upload

...features, and a work around for IE that involves using an ActiveX control. http://jquerybyexample.blogspot.com/2012/03/how-to-check-file-size-before-uploading.html share | improve this answer ...
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How to improve performance of ngRepeat over a huge dataset (angular.js)?

... I recommend to see this: http://blog.scalyr.com/2013/10/angularjs-1200ms-to-35ms/ Optimizing AngularJS: 1200ms to 35ms they made a new directive by optimizing ng-repeat at 4 parts: Optimization#1: Cache DOM elements Optimization#2: Aggregate watche...
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Using crontab to execute script every minute and another every 24 hours [closed]

.../to/php /var/www/html/reset.php See this reference for how crontab works: http://adminschoice.com/crontab-quick-reference, and this handy tool to build cron jobx: http://www.htmlbasix.com/crontab.shtml share | ...
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How do I close a connection early?

... Hackers and crappy web browsers can still ignore the connection-close HTTP header, and get the rest of the output.. make sure what comes next, is not sensitive. perhaps a ob_start(); to supress everything :p – hanshenrik Jun 2 '15 at 8:46 ...
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How do I remove a big file wrongly committed in git [duplicate]

... --ignore-unmatch path_to_file" HEAD You can find more documentation here http://dalibornasevic.com/posts/2-permanently-remove-files-and-folders-from-a-git-repository share | improve this answer ...
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What's “tools:context” in Android layout files?

...s a prefix. <android.support.v7.widget.GridLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" tools:context=".MainActivity"> Used by: Layout editors in Studio & Eclipse, Lint ...
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Android buildscript repositories: jcenter VS mavencentral

...components. All the content in JCenter is served over a CDN, with a secure HTTPS connection. Back in the time of the migration (Android Studio 0.8) The central maven 2 repository was HTTP only and HTTPS wasn't supported. Reference: 51.6.2. Maven central repository. jcenter() is a superset of mavenCe...
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Is multiplication and division using shift operators in C actually faster?

...s very difficult to do meaningfully, but we can look at a few facts. From http://www.penguin.cz/~literakl/intel/s.html#SAL and http://www.penguin.cz/~literakl/intel/i.html#IMUL we get an idea of x86 clock cycles needed for arithmetic shift and multiplication. Say we stick to "486" (the newest o...