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Single vs Double quotes (' vs ")
...b Development often consists of many programming languages. HTML, JS, CSS, PHP, ASP, RoR, Python, ect. Because of this we have many syntax conventions for different programing languages. Often habbits from one language will follow us to other languages, even if it is not considered "proper" i.e. com...
Authoritative position of duplicate HTTP GET query keys
...ive you as an array (I have not cared about the order when I tested that), PHP will give you always the last and Java (at least the system I worked with based on Java) always the first value. stackoverflow.com/questions/1809494/…
– SimonSimCity
Mar 8 '12 at 7...
PHP: How to use array_filter() to filter array keys?
...
PHP 5.6 introduced a third parameter to array_filter(), flag, that you can set to ARRAY_FILTER_USE_KEY to filter by key instead of value:
$my_array = ['foo' => 1, 'hello' => 'world'];
$allowed = ['foo', 'bar'];
$filte...
How do I convert datetime to ISO 8601 in PHP
...mat(DateTime::ATOM); // Updated ISO8601
Procedural
For older versions of PHP, or if you are more comfortable with procedural code.
echo date(DATE_ISO8601, strtotime('2010-12-30 23:21:46'));
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How do I get the list of keys in a Dictionary?
...g, int> data = new Dictionary<string, int>();
data.Add("abc", 123);
data.Add("def", 456);
foreach (string key in data.Keys)
{
Console.WriteLine(key);
}
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Best way to use PHP to encrypt and decrypt passwords? [duplicate]
...bcrypt. This answer explains how to properly implement password hashing in PHP. Still, here is how you would encrypt/decrypt:
$key = 'password to (en/de)crypt';
$string = ' string to be encrypted '; // note the spaces
To Encrypt:
$iv = mcrypt_create_iv(
mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128...
jQuery Mobile: document ready vs. page events
...Page:
$.mobile.changePage('page2.html', { dataUrl : "page2.html?paremeter=123", data : { 'paremeter' : '123' }, reloadPage : true, changeHash : true });
And read them like this:
$(document).on('pagebeforeshow', "#index", function (event, data) {
var parameters = $(this).data("url").split("?"...
File upload progress bar with jQuery
...responseText);
}
});
});
html:
<form action="file-echo2.php" method="post" enctype="multipart/form-data">
<input type="file" name="myfile"><br>
<input type="submit" value="Upload File to Server">
</form>
<div class="progress">
<div ...
Java; String replace (using regular expressions)?
...answered Jul 23 '16 at 21:52
vit123vit123
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linux下iptables配置详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...成DROP的话)
允许loopback!(不然会导致DNS无法正常关闭等问题)
IPTABLES -A INPUT -i lo -p all -j ACCEPT (如果是INPUT DROP)
IPTABLES -A OUTPUT -o lo -p all -j ACCEPT(如果是OUTPUT DROP)
下面写OUTPUT链,OUTPUT链默认规则是ACCEPT,所以我们就写需要DROP(放弃)...