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How to turn on front flash light programmatically in Android?

...ng on/off camera flashlight in android.. Update 4 If you want to set the intensity of light emerging from camera LED you can refer Can I change the LED intensity of an Android device? full post. Note that only rooted HTC devices support this feature. ** Issues:** There are also some problems whi...
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angularjs newline filter with no other html

I'm trying to convert newline characters ( \n ) to html br 's. As per this discussion in the Google Group , here's what I've got: ...
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Pandas DataFrame Groupby two columns and get counts

... 3 C 1 4 B 1 5 B 2 6 B 1 dtype: int64 To get the same answer as waitingkuo (the "second question"), but slightly cleaner, is to groupby the level: In [12]: df.groupby(['col5', 'col2']).size().groupby(level=1).max() Out[12]: col2 A 3 B 2 C ...
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Using jQuery to test if an input has focus

...des all functionality required for attaching event handlers. For help in converting from older jQuery event methods, see .bind(), .delegate(), and .live(). So, in order for you to target the 'input focused' event, you can use this in a script. Something like: $('input').on("focus", function(...
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jQuery How to Get Element's Margin and Padding?

...r. It appends the units ('px'), but you can nevertheless use parseInt() to convert them to integers (or parseFloat(), for where fractions of pixels make sense). http://jsfiddle.net/BXnXJ/ $(document).ready(function () { var $h1 = $('h1'); console.log($h1); $h1.after($('<div>P...
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Java 反射最佳实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...tpRequest); } catch (ClassNotFoundException e) { e.printStackTrace(); } catch (InstantiationException e) { e.printStackTrace(); } catch (IllegalAccessException e) { e.printStackTrace(); } catch (NoSuchMethodException e) { ...
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How to calculate number of days between two given dates?

...ing pandas data frame, thought might be useful to check the link on how to convert from np.datetime64 to python datetime stackoverflow.com/questions/52982056/… – Pramit May 15 '19 at 22:54 ...
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Is there a way to create a function from a string with javascript?

...we can go a bit further and prepare universal parser that parse string and convert it to real JavaScript function... if (typeof String.prototype.parseFunction != 'function') { String.prototype.parseFunction = function () { var funcReg = /function *\(([^()]*)\)[ \n\t]*{(.*)}/gmi; ...
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How to generate javadoc comments in Android Studio

...avadoc comment. Example: /** * @param a * @param b */ public void add(int a, int b) { //code here } For more information check the link https://www.jetbrains.com/idea/features/javadoc.html share | ...
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Python assigning multiple variables to same value? list behavior

... b True You then ask: what is different from this? d=e=f=3 e=4 print('f:',f) print('e:',e) Here, you're rebinding the name e to the value 4. That doesn't affect the names d and f in any way. In your previous version, you were assigning to a[0], not to a. So, from the point of view of a[...