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Android代码优化小技巧 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...数据稍微好些。
文章作者： lightSky
文章源自：http://www.lightskystreet.com/2015/01/17/android-code-optimize-tips/
Android 代码优化
Check whether HTML element has scrollbars
..., padding and width. Client width includes padding and width. Please see:
https://developer.mozilla.org/en/DOM/element.offsetWidth (second image)
https://developer.mozilla.org/en/DOM/element.clientWidth (second image)
You need to check:
Whether or not the element has overflow set to auto/scroll ...
Remove substring from the string
...info can be seen in the documentation about other versions as well:
http://www.ruby-doc.org/core/classes/String.html#method-i-slice-21
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How to create an array for JSON using PHP?
...
Easy peasy lemon squeezy: http://www.php.net/manual/en/function.json-encode.php
<?php
$arr = array('a' => 1, 'b' => 2, 'c' => 3, 'd' => 4, 'e' => 5);
echo json_encode($arr);
?>
There's a post by andyrusterholz at g-m-a-i-l dot c-o-m ...
Java 256-bit AES Password-Based Encryption
...so install them (not compiled in) so beware.
* see here: http://www.javamex.com/tutorials/cryptography/unrestricted_policy_files.shtml
*/
KeySpec spec = new PBEKeySpec (mPassword.toCharArray (), mSalt, ITERATIONS, KEYLEN_BITS);
tmp = factory.generateSecret (spec);...
How to set Java environment path in Ubuntu
...ur output:
/usr/lib/jvm/java-1.8.0-openjdk-amd64
Sources I referred to:
https://askubuntu.com/a/175519
https://stackoverflow.com/a/23427862/6297483
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How do I rename a column in a database table using SQL?
... Not AS - use TO. RENAME COLUMN TableName.OldName TO NewName; www-01.ibm.com/support/knowledgecenter/SSGU8G_11.50.0/…
– hitzi
Dec 16 '14 at 12:41
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Get a filtered list of files in a directory
...match
>>> fnmatch.filter(os.listdir('.'), '*.py')
['manage.py']
https://docs.python.org/3/library/fnmatch.html
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How to launch an Activity from another Application in Android
...null){
startActivity(new Intent(Intent.ACTION_VIEW).setData(Uri.parse("https://play.google.com/store/apps/details?id=" + "applicationId")));
} else {
startActivity(launchIntent);
}
Original Answer
Although answered well, there is a pretty simple implementation that handles if the app is n...
django - why is the request.POST object immutable?
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I found this in a comment on Stack Answer https://stackoverflow.com/a/2339963
And it must be immutable so that it can be built lazily. The copy forces getting all the POST data. Until the copy, it may not all be fetched. Further, for a multi-threaded WSGI server ...