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Why doesn't C have unsigned floats?
...loating point value by truncation of the complex to its real component:
#include <complex.h>
#include <tgmath.h>
int main ()
{
complex double a = 1.0 + 1.0 * I;
double f = sqrt(a);
return 0;
}
It also contains a brain-fart, as the real part of the sqrt of any complex ...
Add missing dates to pandas dataframe
...rows where no label previously existed, (3) fill data for missing labels, (including by forward/backward filling) (4) select rows by label!
– unutbu
Oct 11 '13 at 18:36
...
Add custom messages in assert?
...acro, which accepts the message and prints everything out in a clear way:
#include <iostream>
#ifndef NDEBUG
# define M_Assert(Expr, Msg) \
__M_Assert(#Expr, Expr, __FILE__, __LINE__, Msg)
#else
# define M_Assert(Expr, Msg) ;
#endif
void __M_Assert(const char* expr_str, bool expr, co...
Why is XOR the default way to combine hashes?
...
I created a filter which includes me everyth
How can you diff two pipelines in Bash?
...
@PeterCordes Good points. I have included your comment in the answer for more visibility.
– VonC
Mar 5 '18 at 8:00
1
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How to append contents of multiple files into one file
... output.file at the end of your command, so that you don't induce anybody (including yourself) into thinking that find will execute cat {} >> output.file for every found file.
– gniourf_gniourf
Nov 4 '14 at 16:39
...
How to check if a string is a valid hex color representation?
...e from the beginning of the string until it reaches a character that isn't included in the radix (16). This means it could parse strings like 'AAXXCC', because it starts with 'AA'.
Number(), on the other hand, will only parse if the whole string matches the radix. Now, Number() doesn't take a radix...
Example JavaScript code to parse CSV data
...r, it follows the common jQuery development guidelines. All of the methods included are static and reside under their own namespace (ie $.csv). To use them without jQuery simply create a global $ object that the plugin will bind to during initialization.
– Evan Plaice
...
Are class names in CSS selectors case sensitive?
...
CSS selectors are generally case-insensitive; this includes class and ID selectors.
But HTML class names are case-sensitive (see the attribute definition), and that's causing a mismatch in your second example. This has not changed in HTML5.1
This is because the case-sensiti...
Make a div into a link
...this in IE9? I like this method, and I am using it, but I just tested it (including the fiddle from @AlexMA) in IE9, and what I'm seeing is that you can click anywhere in the div EXCEPT on the text. When you hover over the text, the cursor changes to a standard text cursor and it does nothing when...