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How to validate an email address in JavaScript
...s these email addresses: %2@gmail.com, "%2"@gmail.com, "a..b"@gmail.com, "a_b"@gmail.com, _@gmail.com, 1@gmail.com , 1_example@something.gmail.com are all valid, but Gmail will never allow any of these email addresses. You should do this by accepting the email address and sending an email message to...
How to link C++ program with Boost using CMake
...
In CMake you could use find_package to find libraries you need. There usually is a FindBoost.cmake along with your CMake installation.
As far as I remember, it will be installed to /usr/share/cmake/Modules/ along with other find-scripts for common lib...
How to var_dump variables in twig templates?
...I'm using latest version of Symfony 2.5, and have the config.yml and config_dev.yml setup and debug mode turned on when loading the kernel for the dev environment. I've tried the other manual methods mentioned by Morland below. Either way, I also get a blank page when dump is used. And no dump.
...
Generating random numbers in Objective-C
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You should use the arc4random_uniform() function. It uses a superior algorithm to rand. You don't even need to set a seed.
#include <stdlib.h>
// ...
// ...
int r = arc4random_uniform(74);
The arc4random man page:
NAME
arc4random, arc4ran...
Kill child process when parent process is killed
...mation = 11
}
[StructLayout(LayoutKind.Sequential)]
public struct SECURITY_ATTRIBUTES
{
public int nLength;
public IntPtr lpSecurityDescriptor;
public int bInheritHandle;
}
[StructLayout(LayoutKind.Sequential)]
struct JOBOBJECT_BASIC_LIMIT_INFORMATION
{
public Int64 PerProcessUserT...
How do I design a class in Python?
...function so that it only happens once. Something like:
class Dog:
def __init__(self):
self._footsteps=None
def footstep(self,n):
if not self._footsteps:
self.readInFootsteps(...)
return self._footsteps[n]
[This is now a sort of caching pattern. The first time it goe...
How to handle dependency injection in a WPF/MVVM application
...needed:
public static class IocKernel
{
private static StandardKernel _kernel;
public static T Get<T>()
{
return _kernel.Get<T>();
}
public static void Initialize(params INinjectModule[] modules)
{
if (_kernel == null)
{
_ker...
Rails I18n validation deprecation warning
... the following line inside the Rails::Application body
config.i18n.enforce_available_locales = true
The possible values are:
false: if you
want to skip the locale validation
don't care about locales
true: if you
want the application to raise an error if an invalid locale is passed (or)
wan...
Using “label for” on radio buttons
...ds like a clear case to use a checkbox instead :D
– T_D
Mar 13 at 15:16
Ah, no what I meant was one super-label that t...
module.exports vs exports in Node.js
...
Setting module.exports allows the database_module function to be called like a function when required. Simply setting exports wouldn't allow the function to be
exported because node exports the object module.exports references. The following code wouldn't allow the...