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When should std::move be used on a function return value? [duplicate]
...the same then the "as-if" rule applies.
So, to answer the question in the title, use std::move on a return value when you want it to be moved and it would not get moved anyway. That is:
you want it to be moved, and
it is an lvalue, and
it is not eligible for copy elision, and
it is not the name o...
Official way to ask jQuery wait for all images to load before executing something
...(or other suitable ones):
<html>
<head>
<script src="jquery-1.7.1.js"></script>
<script type="text/javascript">
$(document).ready(function() {
alert ("done");
});
<...
Embedding SVG into ReactJS
Is is possible to embed SVG markup into a ReactJS component?
4 Answers
4
...
How to check if a Constraint exists in Sql server?
... not Exists" checks in my post "DDL 'IF not Exists" conditions to make SQL scripts re-runnable"
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Symbolicating iPhone App Crash Reports
...e able to symbolicate your stacktrace.
Proceeding to the symbolicatecrash script:
In Xcode 8.3 you should be able to invoke the script via
/Applications/Xcode.app/Contents/SharedFrameworks/DVTFoundation.framework/Versions/A/Resources/symbolicatecrash -v example.crash 2> symbolicate.log
If it...
Using node-inspector with Grunt tasks
...
To run grunt in debug, you need to pass the grunt script to node explicitly:
node-debug $(which grunt) task
and put a debugger; line in your task. node-inspector will then open a browser with debugging tools.
Edit 28 Feb 2014
node-inspector has added the command node-de...
How to remove all MySQL tables from the command-line without DROP database permissions? [duplicate]
...
EXECUTE stmt;
DEALLOCATE PREPARE stmt;
SET FOREIGN_KEY_CHECKS = 1;
This script will not raise error with NULL result in case when you already deleted all tables in the database by adding at least one nonexistent - "dummy" table.
And it fixed in case when you have many tables.
And This small cha...
How to set background color of HTML element using css properties in JavaScript
How can I set the background color of an HTML element using css in JavaScript?
17 Answers
...
Cron job every three days
...ike the 1st, 4th, 7th, etc... then you can just have a conditional in your script that checks for the current day of the month.
if (((date('j') - 1) % 3))
exit();
or, as @mario points out, you can use date('k') to get the day of the year instead of doing it based on the day of the month.
...
Nginx serves .php files as downloads, instead of executing them
....php index.html index.htm;
Uncomment location ~ \.php$ {}
# pass the PHP scripts to FastCGI server listening on (...)
#
location ~ \.php$ {
try_files $uri =404;
fastcgi_split_path_info ^(.+\.php)(/.+)$;
# NOTE: You should have "cgi.fix_pathinfo = 0;" in php.ini
# W...