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What is the “-->” operator in C++?
...
It's
#include <stdio.h>
int main(void){
int x = 10;
while( x-- > 0 ){ // x goes to 0
printf("%d ", x);
}
return 0;
}
Just the space make the things look funny, -- decrements and > compare...
How to load up CSS files using Javascript?
...only once.
Put that code into a javascript file, have the end-user simply include the javascript, and make sure the CSS path is absolute so it is loaded from your servers.
VanillaJS
Here is an example that uses plain JavaScript to inject a CSS link into the head element based on the filename port...
Prepend a level to a pandas MultiIndex
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Active
Oldest
Votes
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Is Java really slow?
...ives, reducing performance and increasing memory use. Many Java libraries (including the standard ones) will create Strings frequently, rather than reusing mutable or simpler formats (char[] or StringBuffer). This is slow and creates tons of garbage to collect later. To fix this, I suggest developer...
Face recognition Library [closed]
...and Local Binary Patterns Histograms. Parts of the library are going to be included in OpenCV 2.4.
The latest revision of the libfacerec is available at:
https://github.com/bytefish/libfacerec
The library was written for OpenCV 2.3.1 with the upcoming OpenCV 2.4 in mind, so I don't support Open...
What's the easiest way to install a missing Perl module?
...s packaged with a pre-configured CPAN shell as well as a compiler. It also includes some hard-to-compile Perl modules with their external C library dependencies, notably XML::Parser. This means that you can do the same thing as every other Perl user when it comes to installing modules, and things te...
JavaScript is in array
...is newer ES2016 addition (to keep this question updated):
Array.prototype.includes()
if (blockedTile.includes("118")) {
// found element
}
share
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improve this answer
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Thread context switch Vs. process context switch
...rocess context switching involves switching the memory address space. This includes memory addresses, mappings, page tables, and kernel resources—a relatively expensive operation. On some architectures, it even means flushing various processor caches that aren't sharable across address spaces. For...
Difference between “include” and “require” in php
...he detailed PHP manual on the page of require:
require is identical to include except upon failure it will also produce a fatal E_COMPILE_ERROR level error. In other words, it will halt the script whereas include only emits a warning (E_WARNING) which allows the script to continue.
See @efritz...
Tips for a successful AppStore submission? [closed]
...sources on the topic as well.
Good Luck,
Matthew
Information in article includes :
Bugs
HIG
Lite Versions Internet
Connectivity (excellent information you might be surprised to read)
Excessive Bandwidth Usage Over
Cellular Networks Device Capabilities
(Another great point here that sav...