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What are some better ways to avoid the do-while(0); hack in C++?
...d you can't find a way to reduce the coupling, look at the code after this block. Presumably, it cleans up some resources used by the function. Try to manage these resources using an RAII object; then replace each dodgy break with return (or throw, if that's more appropriate) and let the object's de...
How to do something before on submit? [closed]
...
Assuming you have a form like this:
<form id="myForm" action="foo.php" method="post">
<input type="text" value="" />
<input type="submit" value="submit form" />
</form>
You can attach a onsubmit-event with jQuery like this:
$('#myForm').submit(function() {
a...
Syntax highlighting code with Javascript [closed]
What Javascript libraries can you recommend for syntax highlighting blocks in HTML?
13 Answers
...
Why is volatile not considered useful in multithreaded C or C++ programming?
...de, volatile can only serve to slow things
down.
Consider a typical block of kernel code:
spin_lock(&the_lock);
do_something_on(&shared_data);
do_something_else_with(&shared_data);
spin_unlock(&the_lock);
If all the code follows the locking rules, the value of shared_da...
VS2005混合编译ARM汇编代码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...TLE("Sample App")
;++
AREA sample, CODE, READONLY ; name this block of code
EXPORT TEST
IMPORT iGlobal
;
; Called from C as int ARMTEST1(int, int, int, int);
; The first 4 parameters are passed in r0-r3, more parameters would be passed on the stack
;
TEST proc
...
Making custom right-click context menus for my web-app
...f; box-shadow: 1px 1px 2px #cfcfcf; }
.context-menu--active { display: block; }
.context-menu__items { list-style: none; margin: 0; padding: 0; }
.context-menu__item { display: block; margin-bottom: 4px; }
.context-menu__item:last-child { margin-bottom: 0; }
.context-menu__link { ...
Convert a series of parent-child relationships into a hierarchical tree?
...ay data has been encapsulated into TreeNode.
The full code example:
<?php
namespace My;
$tree = array('H' => 'G', 'F' => 'G', 'G' => 'D', 'E' => 'D', 'A' => 'E', 'B' => 'C', 'C' => 'E', 'D' => null);
// add children to parents
$flat = array(); # temporary array
foreach...
How to make a div with no content have a width?
...
use "display:inline-block"
– Luccas
May 17 '12 at 5:14
good sol...
Should a function have only one return statement?
... I definately think it's better than putting your entire function in an IF block. Use return as often as it makes sense to keep your code readable.
– Joshua Carmody
Sep 19 '08 at 20:20
...
How to delete shared preferences data from App in Android
...pply() instead of commit() to do the task in a background thread. commit() blocks and write data to storage instantly. apply() is asynchronous.
– Vaibhav
Sep 9 '19 at 7:10
...