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undefined reference to `WinMain@16'
...sider the following Windows API-level program:
#define NOMINMAX
#include <windows.h>
int main()
{
MessageBox( 0, "Blah blah...", "My Windows app!", MB_SETFOREGROUND );
}
Now let's build it using GNU toolchain (i.e. g++), no special options. Here gnuc is just a batch file that I use for...
When does System.gc() do something?
...and it also does a FULL garbage collection (old and new generations in a multi-generational heap), then it can actually cause MORE cpu cycles to be consumed than necessary.
In some cases, it may make sense to suggest to the VM that it do a full collection NOW as you may know the application will be...
How can I write output from a unit test?
...
Try using TestContext.WriteLine() which outputs text in test results.
Example:
[TestClass]
public class UnitTest1
{
private TestContext testContextInstance;
/// <summary>
/// Gets or sets the test context which provides
/// information...
biggest integer that can be stored in a double
...ion, the value stored by a double is a power of 2, plus a 52-bit integer multiplied by 2exponent − 52. So with exponent 52 you can store all values from 252 through to 253 − 1. Then with exponent 53, the next number you can store after 253 is 253 + 1 × 253 − 52. So loss of precision fir...
Shortcuts in Objective-C to concatenate NSStrings
...
Although the other option has many upvotes, I think this is the best answer if you don't know all your strings upon construction. Every time you append a string, you're creating a lot of overhead. Using a mutable string remove...
Private setters in Json.Net
...ibute to handle private setters but I kind of want this behavior as a default, is there a way to accomplish this? Except tweaking the source. Would be great if there was a setting for this.
...
Split a module across several files
I want to have a module with multiple structs in it, each in its own file. Using a Math module as an example:
5 Answers...
Generating a PNG with matplotlib when DISPLAY is undefined
...lem is that (on your system) matplotlib chooses an x-using backend by default. I just had the same problem on one of my servers. The solution for me was to add the following code in a place that gets read before any other pylab/matplotlib/pyplot import:
import matplotlib
# Force matplotlib to not ...
How to print a stack trace in Node.js?
... console.log(err.stack) and console.trace() do not give you same results. Whereas err.stack gives you the stack trace for the err object itself (functioning the way we all normally think of exceptions), console.trace() will print out the call stack at the point where console.trace() is being c...
Python to print out status bar and percentage
...dm(range(1000)):
time.sleep(0.01)
# or other long operations
Results in:
|####------| 450/1000 45% [elapsed: 00:04 left: 00:05, 99.15 iters/sec]
tqdm can wrap any iterable.
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