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C/C++ line number
...processor variables :
__func__ : function name (this is part of C99, not all C++ compilers support it)
__DATE__ : a string of form "Mmm dd yyyy"
__TIME__ : a string of form "hh:mm:ss"
Your code will be :
if(!Logical)
printf("Not logical value at line number %d in file %s\n", __LINE__, __FIL...
How do I get an animated gif to work in WPF?
...und so far:
https://github.com/XamlAnimatedGif/WpfAnimatedGif
You can install it with NuGet
PM> Install-Package WpfAnimatedGif
and to use it, at a new namespace to the Window where you want to add the gif image and use it as below
<Window x:Class="MainWindow"
xmlns="http://schemas.micr...
Swift and mutating struct
...", "Jupiter", "Saturn", "Uranus", "Neptune"]
planetNames.append("Pluto") //Error, sorry Pluto. No can do
Why didn't the append work with the planet names? Because append is marked with the mutating keyword. And since planetNames was declared using let, all methods thus marked are off limits.
In y...
How does a “stack overflow” occur and how do you prevent it?
...nded. Intentional cycles and recursion need to be artificially checked to error out if they call each other too many times.
Beyond good programming practices, static and dynamic testing, there's not much you can do on these high level systems.
Embedded systems
In the embedded world, especially i...
What is the best way to prevent session hijacking?
Specifically this is regarding when using a client session cookie to identify a session on the server.
12 Answers
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Shell Script: Execute a python program from within a shell script
...
I'm trying to do this in automator, and I'm getting an error; /path/to/Python: can't open file '/path/to/script': [Errno 1] Operation not permitted is there a way to include my python code in-line within the bash script?
– Keyslinger
Apr 16 ...
Add single element to array in numpy
...s np.concatenate. It just makes sure the addon has one dimension. The OP error was the a[0] has 0 dimensions.
– hpaulj
Jan 12 at 1:37
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Is there a range class in C++11 for use with range based for loops?
...:irange, which is a bit more focused in scope.
C++20's range library will allow you to do this via view::iota(start, end).
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Getting the class name of an instance?
...note that the above method works with new-style classes only (in Python 3+ all classes are "new-style" classes). Your code might use some old-style classes. The following works for both:
x.__class__.__name__
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HTML5 Canvas 100% Width Height of Viewport?
....getContext('2d');
// resize the canvas to fill browser window dynamically
window.addEventListener('resize', resizeCanvas, false);
function resizeCanvas() {
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
/**
* You...