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Can I hide the HTML5 number input’s spin box?
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According to Apple’s user experience coding guide for mobile Safari, you can use the following to display a numeric keyboard in the iPhone browser:
<input type="text" pattern="[0-9]*" />
A pattern of \d* will also work.
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How can I extract audio from video with ffmpeg?
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Here's a guide for the -q:a values: trac.ffmpeg.org/wiki/Encode/MP3 Zero is the highest-quality VBR setting, which typically results in average bitrates in the upper part of the sane CBR range (where 320 kbit/s is the maximum, probabl...
When to use setAttribute vs .attribute= in JavaScript?
...deValue.
Performance
I've built a jsperf test case to show the difference: https://jsperf.com/set-attribute-comparison. Basically, In order:
Custom properties because they don't affect the DOM and are not attributes.
Special mappings provided by the browser (dir, id, className).
If attributes alrea...
Service Reference Error: Failed to generate code for the service reference
...s built using WCF and some methods parameters inside it are of type System.Guid, they will be translated to strings in the generated client if the reuse types option is disabled.
An alternative that I prefer to disabling reusing types is to add the service reference from Class Library project speci...
How to remove an iOS app from the App Store
...e" option in the "Manage Your Apps" section of iTunes Connect. Can anyone guide me on how I can remove my app from the App Store?
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Check if a String contains numbers Java
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I could not find a single pattern correct.
Please follow below guide for a small and sweet solution.
String regex = "(.)*(\\d)(.)*";
Pattern pattern = Pattern.compile(regex);
String msg = "What is the square of 10?";
boolean containsNumber = pattern.matcher(msg).matches();
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How to directly initialize a HashMap (in a literal way)?
...able and does not permit null keys/values)
for more info, see Guava's user guide article on its immutable collection types
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MongoDB Show all contents from all collections
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db.collectionName.find()
More info here on the MongoDB Quick Reference Guide.
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Replace one substring for another string in shell script
... but this didn't break anything.
Further reading: Advanced Bash-Scripting Guide.
If using sed is a must, be sure to escape every character.
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Usage of forceLayout(), requestLayout() and invalidate()
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Here you can find some response:
http://developer.android.com/guide/topics/ui/how-android-draws.html
For me a call to invalidate() only refreshes the view and a call to requestLayout() refreshes the view and compute the size of the view on the screen.
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