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Checking if a variable is an integer
Does Rails 3 or Ruby have a built-in way to check if a variable is an integer?
11 Answers
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Android emulator failed to allocate memory 8
...kin. I got it working by editing the virtual device setup to:
Target 4.0.3 API 15 / 4.1.0 API 16
SD-card 300MiB
Resolution 1280 x 800 (set manually -not the built-in ones)
Device ram size 1024MB (with MB added to the number)
Abstracted LCD 160
Here my tablet config for 4.1.0 API 16
C:\Users\<...
Unable to install gem - Failed to build gem native extension - cannot load such file — mkmf (LoadErr
Ruby 1.9.3
12 Answers
12
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Is a LINQ statement faster than a 'foreach' loop?
...anixcodymanix
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How do I cancel a build that is in progress in Visual Studio?
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434
You can hit Ctrl+Break on the keyboard to cancel/stop a build that is currently in progress.
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Uncaught TypeError: Cannot read property 'msie' of undefined - jQuery tools
...r() removed
The jQuery.browser() method has been deprecated since jQuery 1.3 and is removed in 1.9. If needed, it is available as part of the jQuery Migrate plugin. We recommend using feature detection with a library such as Modernizr.
— jQuery Core 1.9 Upgrade Guide.
As stated in the Upgrade Gui...
ADB Shell Input Events
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433
By adb shell input keyevent, either an event_code or a string will be sent to the device.
usag...
What is “stdafx.h” used for in Visual Studio?
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839
All C++ compilers have one serious performance problem to deal with. Compiling C++ code is a lo...
Why does += behave unexpectedly on lists?
...gt;> a1 = a2 = [1, 2]
>>> b1 = b2 = [1, 2]
>>> a1 += [3] # Uses __iadd__, modifies a1 in-place
>>> b1 = b1 + [3] # Uses __add__, creates new list, assigns it to b1
>>> a2
[1, 2, 3] # a1 and a2 are still the same list
>>> b2
[...
How to sort a list/tuple of lists/tuples by the element at a given index?
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answered Jun 25 '10 at 23:04
StephenStephen
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