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How to shorten my conditional statements
...ave encountered it in other's code.
Instead of checking if the result of indexOf is >= 0, there is a nice little shortcut:
if ( ~[1, 2, 3, 4].indexOf(test.type) ) {
// Do something
}
Here is the fiddle: http://jsfiddle.net/HYJvK/
How does this work? If an item is found in the array, ind...
Save PL/pgSQL output from PostgreSQL to a CSV file
... statement, because there is no way of connecting the input/output stream. PHP's PostgreSQL handler (not PDO) includes very basic pg_copy_from and pg_copy_to functions which copy to/from a PHP array, which may not be efficient for large data sets.
...
What's the difference between array_merge and array + array?
...rator whereas the all the values will be used with the array_merge, just reindexed.
I generally use union operator for associative arrays and array_merge for numeric. Of course, you can just as well use the array_merge for associative, just that the later values overwrite earlier ones.
...
【phpcms v9】html静态化设置及URL规则优化 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...RL规则优化1、默认的栏目生成规则是：{$categorydir}{$catdir} index html|{$categorydir}{$catdir} {$page} html具体生成html的时候，将会显示成：news china 1000 html。这个有点小问题，
1、默认的栏目生成规则是：
{$categorydir}{$catdir}/index.html|{$c...
AI助手重构版问题记录 - AI 助手 - 清泛IT社区，为创新赋能！
..._condition","dict":{"get_var": "weatherData"},"default_val":{"list":[]}}},"index": 0}},"default_val": "--"}},"°C"]}},{"set_prop": "WeatherValueLabel.Text","value":{"dict_lookup":{"key": "weatherDesc","dict":{"select_item":{"list":{"dict_lookup":{"key": "current_condition","dict":{"get_var": "weathe...
PHP parse/syntax errors; and how to solve them
...age. Syntax symbols aren't as easy to search for (Stack Overflow itself is indexed by SymbolHound though). Therefore it may take looking through a few more pages before you find something relevant.
Further guides:
PHP Debugging Basics by David Sklar
Fixing PHP Errors by Jason McCreary
PHP Errors ...
Convert character to ASCII code in JavaScript
...that unlike String.fromCharCode( asciiNumVal ), stringInstance.charCodeAt( index ) is not a static method of class String
– bobobobo
Sep 12 '12 at 19:09
...
Global variables in Javascript across multiple files
...t" src="external.js"></script>
<title>External JS Globals - index.php</title>
</head>
<body>
<button type="button" id="button1" onclick="f1();"> fire f1 </button>
<br />
<button type="button" id="button2" onclick="f2();"> fire f2 </button&g...
What does “dereferencing” a pointer mean?
...at the pointer points to - the contents of the address with that numerical index - then you dereference the pointer.
Different computer languages have different notations to tell the compiler or interpreter that you're now interested in the pointed-to object's (current) value - I focus below on C a...
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...