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'App not Installed' Error on Android

...ator. Every now and again I have been creating a signed .apk and exporting it to my HTC Desire to test. It has all been fine. ...
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data.table vs dplyr: can one do something well the other can't or does poorly?

I'm relatively familiar with data.table , not so much with dplyr . I've read through some dplyr vignettes and examples that have popped up on SO, and so far my conclusions are that: ...
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Where does the iPhone Simulator store its data?

I have a SQLite DB that I'm using to store app data, and I could do with taking a look inside it to debug a problem I'm having - but where does the iPhone Simulator store its data, typically? ...
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Exception thrown inside catch block - will it be caught again?

...e.getClass()); } and the code in try block generates IO Exception, Will it go to the immediate general Exception block or it will fly over to IOException catch block ? – sofs1 Aug 22 '16 at 23:25 ...
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Python in Xcode 4+?

... I figured it out! The steps make it look like it will take more effort than it actually does. These instructions are for creating a project from scratch. If you have existing Python scripts that you wish to include in this project, yo...
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Git - fatal: Unable to create '/path/my_project/.git/index.lock': File exists

...till getting this error message, when I try to move my project tree on to git repo. 31 Answers ...
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Could not instantiate class named MKMapView

I may be doing something really stupid here as I've done it before and it worked and now... 9 Answers ...
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Is floating point math broken?

... Binary floating point math is like this. In most programming languages, it is based on the IEEE 754 standard. The crux of the problem is that numbers are represented in this format as a whole number times a power of two; rational numbers (such as 0.1, which is 1/10) whose denominator is not a pow...
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Why isn't my JavaScript working in JSFiddle?

I can't find out what is the problem with this JSFiddle . 7 Answers 7 ...
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Bash: infinite sleep (infinite blocking)

I use startx to start X which will evaluate my .xinitrc . In my .xinitrc I start my window manager using /usr/bin/mywm . Now, if I kill my WM (in order to f.e. test some other WM), X will terminate too because the .xinitrc script reached EOF. So I added this at the end of my .xinitrc : ...