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How to check if a number is a power of 2
...ndaddy of them, the book "Hacker's Delight" by Henry Warren, Jr.:
http://www.hackersdelight.org/
As Sean Anderson's page explains, the expression ((x & (x - 1)) == 0) incorrectly indicates that 0 is a power of 2. He suggests to use:
(!(x & (x - 1)) && x)
to correct that probl...
Jsoup SocketTimeoutException: Read timed out
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Shell script to send email [duplicate]
...
Yes it works fine and is commonly used:
$ echo "hello world" | mail -s "a subject" someone@somewhere.com
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What does “all” stand for in a makefile?
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Updating packages in Emacs
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项目管理实践教程一、工欲善其事，必先利其器【Basic Tools】 - 项目管理 -...
...ualSVN Server，最新版本是1.6.1，你可以在这里下载：
http://www.visualsvn.com/files/VisualSVN-Server-1.6.1.msi
VisualSVN Server，最新更新版本是1.6.2，你可以在这里下载：
http://www.visualsvn.com/files/VisualSVN-Server-1.6.2.msi
VisualSVN Server Documentation...
Simple explanation of MapReduce?
... quick and "for dummies" introduction to MapReduce is available at: http://www.marcolotz.com/?p=67
Posting some of it's content:
First of all, why was MapReduce originally created?
Basically Google needed a solution for making large computation jobs easily parallelizable, allowing data to be distrib...
UnicodeEncodeError: 'charmap' codec can't encode - character maps to , print function [du
...he output encoding globally at the begin of the software:
The page http://www.macfreek.nl/memory/Encoding_of_Python_stdout has a good summary what to do to change output encoding. Especially the section "StreamWriter Wrapper around Stdout" is interesting. Essentially it says to change the I/O encod...
How do you tell if caps lock is on using JavaScript?
... Both versions are working for me. Thanks for constructive inputs in the comments.
OLD VERSION: https://jsbin.com/mahenes/edit?js,output
Also, here is a modified version (can someone test on mac and confirm)
NEW VERSION: https://jsbin.com/xiconuv/edit?js,output
NEW VERSION:
function isCapslock(e)...
Is there a way to zoom the Visual Studio text editor with a keyboard shortcut?
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