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How to detect unused methods and #import in Objective-C
After working a long time on an iPhone app, I realized that my code is quite dirty, containing several #import and methods that are not called or useful at all.
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RegEx for Javascript to allow only alphanumeric
...rs here.
for example: /^([a-zA-Z0-9\u0600-\u06FF\u0660-\u0669\u06F0-\u06F9 _.-]+)$/
this will support persian.
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How to create a UIView bounce animation?
...any need to use CAKeyframeAnimations or UIView animations!
Take a look at Apple's UIKit Dynamics Catalog app. Alternately, Teehanlax has a clear, concise tutorial with the full project in github. If you want a more detailed tutorial about the ins-and-outs of dynamics, the Ray Winderlich tutorial is...
Django Passing Custom Form Parameters to Formset
...m functools import partial, wraps
from django.forms.formsets import formset_factory
ServiceFormSet = formset_factory(wraps(ServiceForm)(partial(ServiceForm, affiliate=request.affiliate)), extra=3)
I think this is the cleanest approach, and doesn't affect ServiceForm in any way (i.e. by making it ...
ValidateAntiForgeryToken purpose, explanation and example
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It seems that the form __RequestVerificationToken and cookie __RequestVerificationToken are not the same, they work as a pair.
– WaiKit Kung
Apr 8 '15 at 15:54
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What is the difference between lock and Mutex?
...hine.
bool firstInstance;
Mutex mutex = new Mutex(false, @"Local\DASHBOARD_MAIN_APPLICATION", out firstInstance);
if (!firstInstance)
{
//another copy of this application running
}
else
{
//run main application loop here.
}
// Refer to the mutex down here so garbage collection doesn't chu...
How do I get an HttpContext object from HttpContextBase in ASP.NET MVC 1?
...returns null during an asynchronous request). I'm aware of HttpContextWrapper , but goes the wrong way.
3 Answers
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How can I create directory tree in C++/Linux?
...he standard header <filesystem> with
function
std::filesystem::create_directories
which should be used in modern C++ programs.
The C++ standard functions do not have the POSIX-specific explicit
permissions (mode) argument, though.
However, here's a C function that can be compiled with C++ com...
How to find where a method is defined at runtime?
... Fixnum(Perpetrator)#crime>
If you're on Ruby 1.9+, you can use source_location
require 'csv'
p CSV.new('string').method(:flock)
# => #<Method: CSV#flock>
CSV.new('string').method(:flock).source_location
# => ["/path/to/ruby/1.9.2-p290/lib/ruby/1.9.1/forwardable.rb", 180]
Note ...
Loop backwards using indices in Python?
...as no way to tell the xrange to go backwards... (Since Python 2.6 it calls __reversed__().)
– Robert Siemer
Jun 21 '12 at 18:31
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