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How to calculate date difference in JavaScript?
... This is so the right answer. Eg: to get difference in days do Math.floor((date2 - date1) / (1000*60*60*24)) -- for difference in any other unit, adjust the denominator (the base value is in ms).
– trisweb
Oct 22 '13 at 19:54
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Why are static variables considered evil?
I am a Java programmer who is new to the corporate world. Recently I've developed an application using Groovy and Java. All through the code I wrote used quite a good number of statics. I was asked by the senior technical lot to cut down on the number of statics used. I've googled about the same, ...
Rails.env vs RAILS_ENV
...s when checking what env one is running in. What's preferred? Are they, for all intents and purposes equal?
5 Answers
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What is the difference between Normalize.css and Reset CSS?
... know what CSS Reset is, but recently I heard about this new thing called Normalize.css
9 Answers
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What is sys.maxint in Python 3?
...er, sys.maxsize can be used as an
integer larger than any practical list or string index. It conforms to
the implementation’s “natural” integer size and is typically the same
as sys.maxint in previous releases on the same platform (assuming the
same build options).
http://docs.python...
Am I immoral for using a variable name that differs from its type only by case?
For instance, take this piece of code:
33 Answers
33
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Android SDK manager won't open
So I installed the android sdk for Windows:
29 Answers
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Using the rJava package on Win7 64 bit with R
...ava will find the jvm.dll automatically, without manually setting the PATH or JAVA_HOME. However note that:
To use rJava in 32-bit R, you need Java for Windows x86
To use rJava in 64-bit R, you need Java for Windows x64
To build or check R packages with multi-arch (the default) you need to instal...
Python subprocess/Popen with a modified environment
... os.environ.copy() is better if you don't intend to modify the os.environ for the current process:
import subprocess, os
my_env = os.environ.copy()
my_env["PATH"] = "/usr/sbin:/sbin:" + my_env["PATH"]
subprocess.Popen(my_command, env=my_env)
...
Easy way to pull latest of all git submodules
... you need to use --init first:
git submodule update --init --recursive
For git 1.8.2 or above, the option --remote was added to support updating to latest tips of remote branches:
git submodule update --recursive --remote
This has the added benefit of respecting any "non default" branches spec...