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【持续更新】App Inventor 2 中文拓展一览 - App Inventor 2 中文网 - 清泛...
...图像】TaifunImage 拓展：图片压缩剪裁处理
【图像】SimpleBase64 拓展：图像Base64编解码传输
【图像】KIO4_Base64 拓展：更强大的图像Base64编解码工具，解码后的图像可写入到文件
【图像】ImageUtil 拓展：图像组件的附加工具，提供...
git rebase without changing commit timestamps
Would it make sense to perform git rebase while preserving the commit timestamps?
5 Answers
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Sanitizing strings to make them URL and filename safe?
...e provides:
canonicalize (string $input, [bool $strict = true])
decodeFromBase64 (string $input)
decodeFromURL (string $input)
encodeForBase64 (string $input, [bool $wrap = false])
encodeForCSS (string $input)
encodeForHTML (string $input)
encodeForHTMLAttribute (string $input)
encodeForJavaScript ...
CSS z-index paradox flower
...possible (it gets drawn to the flat parent layer). Either way, here is the base code none the less
<div class="container">
<div>
<div class="i1 leaf">
<div class="item">1</div>
</div>
<div class="i2 leaf">
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sqlalchemy IS NOT NULL select
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Fastest method to escape HTML tags as HTML entities?
...rentNode.innerHTML;
}
This method is about twice faster than the methods based on 'replace', see http://jsperf.com/htmlencoderegex/35 .
Source: https://stackoverflow.com/a/17546215/698168
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Draw in Canvas by finger, Android
...
Start By going through the Fingerpaint demo in the sdk sample.
Another Sample:
public class MainActivity extends Activity {
DrawingView dv ;
private Paint mPaint;
@Override
protected void onCreate(Bundle savedInstanceState) {
super...
How to get the raw value an field?
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Track all pressed keys based on their key codes
I suppose one could listen to the keyup events and keep an array of all characters entered, based on their keycodes. But it's a pretty tedious task and probably prone to bugs.
http://unixpapa.com/js...
Conditionally use 32/64 bit reference when building in Visual Studio
...d script that copies apropriate DLLs (x86/x64) into the referenced folder, based on $(PlatformName).
xcopy /s /e /y "$(SolutionDir)..\component\v3_NET4\$(PlatformName)\*" "$(SolutionDir)..\component\v3_NET4"
Works for me.
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Get selected value in dropdown list using JavaScript
...ect fields using JavaScript.
Source Link
Working Javascript & jQuery Demo
<select id="Ultra" onchange="run()"> <!--Call run() function-->
<option value="0">Select</option>
<option value="8">text1</option>
<option value="5">text2&l...