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How do I check in JavaScript if a value exists at a certain array index?
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edited Apr 22 at 6:49
answered Apr 20 '10 at 3:51
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How do I keep Python print from adding newlines or spaces? [duplicate]
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Boris
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answered Oct 31 '08 at 22:35
Greg HewgillGreg H...
How to check if object (variable) is defined in R?
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Check if SQL Connection is Open or Closed
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176
You should be using SqlConnection.State
e.g,
using System.Data;
if (myConnection != null &...
DistutilsOptionError: must supply either home or prefix/exec-prefix — not both
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AdrieanKhisbe
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answered Jun 23 '14 at 1:35
ayvazjayvazj
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How to install PyQt4 on Windows using pip?
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Make sure you grab the correct Windows wheel file (python version, 32/64 bit), and then use pip to install it - e.g:
C:\path\where\wheel\is\> pip install PyQt4-4.11.4-cp35-none-win_amd64.whl
Should properly install if you are running an x64 build of Python 3.5.
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Symbolic links and synced folders in Vagrant
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Why are Subjects not recommended in .NET Reactive Extensions?
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answered Jan 22 '13 at 14:16
Lee CampbellLee Campbell
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How is null + true a string?
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@leppie: The expression is valid, and its type is string. Try "var x = null + true;" - it compiles and x is of type string. Note that the si...
C++ Best way to get integer division and remainder
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On x86 the remainder is a by-product of the division itself so any half-decent compiler should be able to just use it (and not perform a div again). This is probably done on other architectures too.
Instruction: DIV src
N...