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How to delete a whole folder and content?

...delete the DCIM folder because it is a system folder. As you delete it manually on phone it will delete the contents of that folder, but not the DCIM folder. You can delete its contents by using the method below: Updated as per comments File dir = new File(Environment.getExternalStorageDirectory()...
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How to print last two columns using awk

All I want is the last two columns printed. 6 Answers 6 ...
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“Could not find any information for class named ViewController”

... What solved this issue for me was actually deleting the class from the project. Steps: In the project file explorer (left panel) find the class and right click -> Delete Remove reference (do not move to trash as you will lose the class for good) Right click...
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Export Data from mysql Workbench 6.0

...Windows: C:\Program Files\MySQL\MySQL Workbench 6.3 CE\modules (32-bit installation on x64 systems: C:\Program Files (x86)\MySQL\MySQL Workbench 6.3 CE\modules) b) Mac OS X: Applications/MYSQLWorkbench.app/Contents/Resources/plugins - right click on the app and select Show Package contents to get i...
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How do I put two increment statements in a C++ 'for' loop?

...us: for(int i = 0; i != 5; ++i,++j) do_something(i,j); But is it really a comma operator? Now having wrote that, a commenter suggested it was actually some special syntactic sugar in the for statement, and not a comma operator at all. I checked that in GCC as follows: int i=0; int a=5; int...
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One line if statement not working

... @JayKilleen You're correct. Ruby is all about clever tricks, but it's that clever (: – Nikita Rybak Jan 23 '15 at 7:47 3 ...
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Select elements by attribute

... @rinogo: actually all you need is if($(":checkbox[myattr]").length) . The () after length is not necessary, neither is the > 0, 0 evaluates to false in equality tests that do not require strict equality (both value and type). ...
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How to install an apk on the emulator in Android Studio?

How do you install an apk on the emulator in Android Studio from the terminal? 12 Answers ...
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Error when installing windows SDK 7.1

I've run into an error when installing the Windows SDK that I've seen posted around the Internet, but none of the solutions are working for me. Here is the log I'm getting ...
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Add comma to numbers every three digits

... @eladsilver w3schools.com/jsref/jsref_tolocalestring.asp in all browsers – ricks Oct 12 '18 at 20:49 ...