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'App not Installed' Error on Android
...ator. Every now and again I have been creating a signed .apk and exporting it to my HTC Desire to test. It has all been fine.
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How to read if a checkbox is checked in PHP?
...s:
<input type="checkbox" name="test" value="value1">
After submitting the form you can check it with:
isset($_POST['test'])
or
if ($_POST['test'] == 'value1') ...
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Python in Xcode 4+?
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I figured it out! The steps make it look like it will take more effort than it actually does.
These instructions are for creating a project from scratch. If you have existing Python scripts that you wish to include in this project, yo...
How to automatically remove trailing whitespace in Visual Studio 2008?
Is it possible to configure Visual Studio 2008 to automatically remove whitespace characters at the end of each line when saving a file? There doesn't seem to be a built-in option, so are there any extensions available to do this?
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When & why to use delegates? [duplicate]
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I agree with everything that is said already, just trying to put some other words on it.
A delegate can be seen as a placeholder for a/some method(s).
By defining a delegate, you are saying to the user of your class, "Please feel fr...
How can I detect if the user is on localhost in PHP?
...ds, how can I tell if the person using my web application is on the server it resides on? If I remember correctly, PHPMyAdmin does something like this for security reasons.
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A command-line HTML pretty-printer: Making messy HTML readable [closed]
...Tidy Project: http://www.html-tidy.org/
The granddaddy of HTML tools, with support for modern standards.
There used to be a fork called tidy-html5 which since became the official thing. Here is its GitHub repository.
Tidy is a console application for Mac OS X, Linux, Windows, UNIX, and mor...
What is the effect of extern “C” in C++?
...le that contains just the declaration of your function. Your function definition is contained in a binary format (that was compiled by your C++ compiler) that the client C linker will then link to using the C name.
Since C++ has overloading of function names and C does not, the C++ compiler cannot j...
How to empty a list?
It seems so "dirty" emptying a list in this way:
7 Answers
7
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When is it better to use an NSSet over an NSArray?
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When the order of the items in the collection is not important, sets offer better performance for finding items in the collection.
The reason is that a set uses hash values to find items (like a dictionary) while an array has to iterate over its ...