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Convert Base64 string to an image file? [duplicate]
...s. This will result in invalid image data when the base64 function decodes it. Remove that data in the function before decoding the string, like so.
function base64_to_jpeg($base64_string, $output_file) {
// open the output file for writing
$ifp = fopen( $output_file, 'wb' );
// split...
How to check if a python module exists without importing it
I need to know if a python module exists, without importing it.
13 Answers
13
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Can you test google analytics on a localhost address?
...localhost. You can verify this by opening the developer tools in your favorite browser and watching the network requests during page load. If it is working you will see a request for _utm.gif in the network requests list.
Updated 2013 for Universal Analytics - analytics.js
Google released a new vers...
Do I need to disable NSLog before release Application?
When releasing an app for iPhone, if I disable NSLog(); will it perform better?
12 Answers
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How to make inline functions in C#
...return x + y;
};
Action<int> print = delegate(int x)
{
Console.WriteLine(x);
}
Action<int> helloWorld = delegate // parameters can be elided if ignored
{
Console.WriteLine("Hello world!");
}
Lambdas are new in C# 3.0 and come in two flavours.
Expression lambdas:
Func<int, ...
What is a singleton in C#?
What is a Singleton and when should I use it?
16 Answers
16
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What does #defining WIN32_LEAN_AND_MEAN exclude exactly?
...luding some of the less frequently used APIs". Somewhere else I read that it speeds up the build process.
2 Answers
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How can I maintain fragment state when added to the back stack?
I've written up a dummy activity that switches between two fragments. When you go from FragmentA to FragmentB, FragmentA gets added to the back stack. However, when I return to FragmentA (by pressing back), a totally new FragmentA is created and the state it was in is lost. I get the feeling I'm ...
Access nested dictionary items via a list of keys?
...ure which I would like to access via a list of keys to address the correct item.
18 Answers
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Named routes _path vs _url
...
_path helpers provide a site-root-relative path. You should probably use this most of the time.
_url helpers provide an absolute path, including protocol and server name. I've found that I mainly use these in emails when creating links to the app on...