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How do you use the ? : (conditional) operator in JavaScript?
... = 'Hello ' + (username || 'guest');
This is Javascripts equivallent of PHP's shorthand ternary operator ?:
Or even:
var welcomeMessage = 'Hello ' + (username || something || maybethis || 'guest');
It evaluates the variable, and if it's false or unset, it goes on to the next.
...
整合phpcms v9和discuz X3.2实现同步登陆、退出免激活 - 更多技术 - 清泛网...
整合phpcms v9和discuz X3.2实现同步登陆、退出免激活内容管理选择了phpcms v9，社区论坛选择了discuz X3 2，现在需要实现两个系统的同步注册、登陆、退出。discuz所属康盛公司为我们提供了解决方案，那就是通过UCenter实现多系统间通...
How do I catch an Ajax query post error?
...Since jQuery 1.5 you can use the deferred objects mechanism:
$.post('some.php', {name: 'John'})
.done(function(msg){ })
.fail(function(xhr, status, error) {
// error handling
});
Another way is using .ajax:
$.ajax({
type: "POST",
url: "some.php",
data: "name=John&l...
How to prevent Browser cache for php site
I have a php site running in cloud server.When ever i add new files css, js or images the browser is loading the same old js, css and image files stored in cache.
...
Best way to parse RSS/Atom feeds with PHP [closed]
...ll formed. Are there any other options for parsing RSS and Atom feeds with PHP?
10 Answers
...
Determine if Python is running inside virtualenv
... If you're in a shell you can simply use [[ -n $VIRTUAL_ENV ]] && echo virtualenv or [[ -z $VIRTUAL_ENV ]] && echo not virtualenv depending on your needs.
– Six
Dec 29 '14 at 20:32
...
How to fix Git error: object file is empty?
...set
Unstaged changes after reset:
M tex/MCMC-in-IRT.tex
M tex/recipe-example/build-example-plots.R
M tex/recipe-example/build-failure-plots.R
Step 11: Looking at the fsck again...
nathanvan@nathanvan-N61Jq:~/workspace/mcmc-chapter$ git fsck --full
Checking object directories: 100% (256/256)...
How to convert all tables from MyISAM into InnoDB?
...
<?php
// connect your database here first
//
// Actual code starts here
$sql = "SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_SCHEMA = 'your_database_name'
AND ENGINE = 'MyIS...
Which MySQL datatype to use for an IP address? [duplicate]
...Pv6 addresses you could use a BINARY instead:
`ipv6` BINARY(16)
And use PHP’s inet_pton and inet_ntop for conversion:
'INSERT INTO `table` (`ipv6`) VALUES ("'.mysqli_real_escape_string(inet_pton('2001:4860:a005::68')).'")'
'SELECT `ipv6` FROM `table`'
$ipv6 = inet_pton($row['ipv6']);
...
HTML encoding issues - “” character showing up instead of “ ”
...ead of » , amd When Using this solution the problem solved but there is a php warning: Warning: session_start(): Cannot send session cache limiter - headers already sent (output started at D:\Program Files\wamp\wamp\www\projects\kerala\kerala_public_html\edit\business_details.php:1) in D:\Program ...