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Play an audio file using jQuery when a button is clicked
...p() function we first pause the file then reset its time.
We may want to know the length of the audio file and the current playing time. We already learnt .currentTimeabove, to learn its length we use .duration.
Example Guide
When document is ready we created an audio element dynamically
We set ...
Android - Package Name convention
... having it in reverse order is to do with the layout on the storage media. If you consider each period ('.') in the application name as a path separator, all applications from a publisher would sit together in the path hierarchy.
So, for instance, packages from Adobe would be of the form:
com.adobe...
Why is the String class declared final in Java?
...dd a sentence as to how preventing subclasses enforces immutability. Right now, it is kind of a half-answer.
– Thilo
Jan 15 '10 at 1:29
...
Differences between “BEGIN RSA PRIVATE KEY” and “BEGIN PRIVATE KEY”
...just the key object from PKCS#8, but without the version or algorithm identifier in front. BEGIN PRIVATE KEY is PKCS#8 and indicates that the key type is included in the key data itself. From the link:
The unencrypted PKCS#8 encoded data starts and ends with the tags:
-----BEGIN PRIVATE KEY----...
How to write string literals in python without having to escape them?
...
If you're dealing with very large strings, specifically multiline strings, be aware of the triple-quote syntax:
a = r"""This is a multiline string
with more than one line
in the source code."""
...
在MongoDB中模拟Auto Increment - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...', 'seq');
$seq = $instance->db->command(array(
'findAndModify' => 'seq',
'query' => array('_id' => $namespace),
'update' => array('$inc' => array('id' => $option['step'])),
'new' => true,
));
if (isset($seq['value']['id...
php出现 Notice: Undefined index: xxx 的解决方法 - 更多技术 - 清泛网 - 专注IT技能提升
...好的办法是使用变量之前先检查变量是否存在，如：
if (isset($_GET['name'])&&!empty($_GET['name'])){
$name = $_GET['name'];
}
另外，还有其他几种解决方法供参考：
1、 修改 php.ini 文件中
error_reporting = E_ALL
为
error_reporting = E_ALL & ...
php出现 Notice: Undefined index: xxx 的解决方法 - 更多技术 - 清泛网 - 专注IT技能提升
...好的办法是使用变量之前先检查变量是否存在，如：
if (isset($_GET['name'])&&!empty($_GET['name'])){
$name = $_GET['name'];
}
另外，还有其他几种解决方法供参考：
1、 修改 php.ini 文件中
error_reporting = E_ALL
为
error_reporting = E_ALL & ...
php出现 Notice: Undefined index: xxx 的解决方法 - 更多技术 - 清泛网移...
...好的办法是使用变量之前先检查变量是否存在，如：
if (isset($_GET['name'])&&!empty($_GET['name'])){
$name = $_GET['name'];
}
另外，还有其他几种解决方法供参考：
1、 修改 php.ini 文件中
error_reporting = E_ALL
为
error_reporting = E_ALL & ...
php出现 Notice: Undefined index: xxx 的解决方法 - 更多技术 - 清泛网移...
...好的办法是使用变量之前先检查变量是否存在，如：
if (isset($_GET['name'])&&!empty($_GET['name'])){
$name = $_GET['name'];
}
另外，还有其他几种解决方法供参考：
1、 修改 php.ini 文件中
error_reporting = E_ALL
为
error_reporting = E_ALL & ...