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Git: How to return from 'detached HEAD' state
...
warning: unable to unlink web/sites/default/default.settings.php: Permission denied
... other warnings ...
Note: checking out '1.87.1'.
You are in 'detached HEAD' state. You can look around, make experimental
changes and commit them, and you can discard any commits you make in this
st...
GIF Animated 扩展：可点击透明背景动画GIF播放器 · App Inventor 2 中文网
...机测试，就会发现图片不会动，只会展示静态图片。那么问题来了，如何展示动图/动画效果呢？有2种思路参考这里。
当然，也可以使用本文介绍的这款拓展~
Gif 动画扩展，可点击，可设置透明背景，效果如下：
参考代码块...
How can I change a file's encoding with vim?
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thank you! Apache was outputting utf-8, so was php, so the browser said, so vim said with set encoding, and still the pages showed mangled characters that were alright as iso-8859-1. using set fileencoding showed a pretty 'Latin1'
– Adriano Varoli Pi...
What is Node.js? [closed]
...to throttle incoming connections and do all the stuff that Apache does for PHP. To be fair, Ruby on Rails has this exact problem. It is solved via two complementary mechanisms: 1) Putting Ruby on Rails/Node.js behind a dedicated webserver (written in C and tested to hell and back) like Nginx (or Apa...
How do I get a substring of a string in Python?
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Substr() normally (i.e. PHP and Perl) works this way:
s = Substr(s, beginning, LENGTH)
So the parameters are beginning and LENGTH.
But Python's behaviour is different; it expects beginning and one after END (!). This is difficult to spot by beg...
How long is the SHA256 hash?
...h = hash('sha256', 'hello, world!');
var_dump($hash);
Will give you :
$ php temp.php
string(64) "68e656b251e67e8358bef8483ab0d51c6619f3e7a1a9f0e75838d41ff368f728"
i.e. a string with 64 characters.
share
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Are unused CSS images downloaded?
...e="text/css">
.nonexistent {
background: url('index.php?foo');
}
</style>
</head>
<body>
<?php if(isset($_GET['foo'])) {
file_put_contents('test.txt', $_SERVER['HTTP_USER_AGENT']);
} ?>
</body>
</html>
If te...
How to set selected value of jquery select2?
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Html:
<select id="lang" >
<option value="php">php</option>
<option value="asp">asp</option>
<option value="java">java</option>
</select>
JavaScript:
$("#lang").select2().select2('val','asp');
jsfiddle
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CodeIgniter: How to get Controller, Action, URL information
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Not if you change the routes in routes.php, $this->router returns the class the code runs in, but not the actual router masked with the override. Both answers are quite useful based on what you want to do.
– Tibor Szasz
Ja...
Amazon S3 Change file download name
...t-disposition" while submit the file to S3, the SDK version is AWS SDK for PHP 3.x. here is the doc http://docs.amazonaws.cn/en_us/aws-sdk-php/latest/api-s3-2006-03-01.html#putobject
a piece of my code
public function __construct($config)
{
$this->handle = new S3Client([
...