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Are there disadvantages to using a generic varchar(255) for all text-based fields?

... It's good practice to allocate only a little over what you need. Phone numbers would never go this large. One reason is that unless you validate against large entries, no doubt someone will use all there is. Then you might run out of space in...
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What are the effects of exceptions on performance in Java?

... way to avoid the "rock and hard place" choice you present here, is to pre-allocate an object that represents "success". Usually one can also pre-allocate objects for the common failure cases. Then only in the rare case of passing back additional detail, is a new object created. (This is the OO equi...
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How to decompile an APK or DEX file on Android platform? [closed]

... APK Decompiler App for Windows http://forum.xda-developers.com/showthread.php?t=2493107 Update 2015/12/04 ClassyShark you can open APK/Zip/Class/Jar files and analyze their contents. https://github.com/google/android-classyshark ...
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Why do we copy then move?

... a raw C string, a std::string will be constructed, then copied again: two allocations. There is the C++03 method of taking a reference to a std::string, then swapping it into a local std::string: struct S { std::string data; S(std::string& str) { std::swap(data, str); } }; that...
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Format bytes to kilobytes, megabytes, gigabytes

... return round($bytes, $precision) . ' ' . $units[$pow]; } (Taken from php.net, there are many other examples there, but I like this one best :-) share | improve this answer | ...
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What is the difference between double-ampersand (&&) and semicolon (;) in Linux Bash?

...o make sure that command2 is only run if command1 ran successfully. The ; token just separates commands, so it will run the second command regardless of whether or not the first one succeeds. share | ...
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“Remote System Explorer Operation” causing freeze for couple of seconds

... (step 3): http://www.patrickjwaters.com/blog/2011-07-24/how-setup-eclipse-php-pdt-remote-system-explorer-theme-manager-and-drupal-plugins/35 As for uninstall I'm still trying (the option to uninstall is greyed out for me in the installation details panel). I've tried Windows > Preferences >...
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WSGI vs uWSGi with Nginx [closed]

...sees the two terms and has no prior info on how things work outside of mod_PHP world (for e.g. nothing against php or folks) The site does well to explain in practical terms what is needed and what is the difference as well as a good deployment example for nginx. For the convenience, the explanatio...
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How to format date in angularjs

...a string date of format "2014-12-19 20:00:00" string format (passed from a PHP backend), then you should modify the code to the one in: https://stackoverflow.com/a/27616348/1904479 Adding on further From javascript you can set the code as: $scope.eqpCustFields[i].Value = $filter('date')(new Date(d...
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“Unsafe JavaScript attempt to access frame with URL…” error being continuously generated in Chrome w

...I think the best solution is to use Facebook's server-side solutions (e.g. PHP SDK), it'll save you a lot, lot, lot, lot, lot of headache. The only advantage I see in using the FB javascript SDK is the popup login which you can do yourself using javascript/jQuery. ...