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How to check if string input is a number? [duplicate]
How do I check if a user's string input is a number (e.g. -1 , 0 , 1 , etc.)?
24 Answers
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Installing PG gem on OS X - failure to build native extension
It seems many others have had problems installing the pg gem. None of the solutions posed for others have worked for me.
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AWS: How to disable all services?
I was dorking around with AWS (and related services), hoping that I could stay in the Free Tier, like I do when I'm exploring Google App Engine.
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ArithmeticException: “Non-terminating decimal expansion; no exact representable decimal result”
Why does the following code raise the exception shown below?
8 Answers
8
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Simulate limited bandwidth from within Chrome?
Is there a way I can simulate various connection speeds from within Chrome?
13 Answers
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Version of SQLite used in Android?
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UPDATE OCT 2016: Here is a link to the updated official docs which includes the main points in this answer: android.database.sqlite package-level javadoc
Using the emulators:
adb shell sqlite3 --version
UPDATE: Since SDK 2...
How to show only next line after the matched one?
Thanks to this command for every line that has 'blah' in it, I get the output of the line that contains 'blah' and the next line that follows in the logfile. It might be a simple one but I can't find a way to omit the line that has 'blah' and only show next line in the output.
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SVN upgrade working copy
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You have to upgrade your subversion client to at least 1.7.
With the command line client, you have to manually upgrade your working copy format by issuing the command svn upgrade:
Upgrading the Working Copy
Subversion 1.7 introd...
What is __stdcall?
I'm learning about Win32 programming, and the WinMain prototype looks like:
8 Answers
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Why can't I reference System.ComponentModel.DataAnnotations?
I'm trying to use DataAnnotations in my WPF project to specify a maximum length of strings, with the following:
14 Answers
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