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How can I multiply and divide using only bit shifting and adding?
... = 21 * 5 (Same as initial expression)
(_2 means base 2)
As you can see, multiplication can be decomposed into adding and shifting and back again. This is also why multiplication takes longer than bit shifts or adding - it's O(n^2) rather than O(n) in the number of bits. R...
Redirecting to a certain route based on condition
I'm writing a small AngularJS app that has a login view and a main view, configured like so:
11 Answers
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How can I select item with class within a DIV?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Which version of PostgreSQL am I running?
...-------------------------------------------------
PostgreSQL 9.2.9 on x86_64-unknown-linux-gnu, compiled by gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-4), 64-bit
=> SHOW server_version;
server_version
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9.2.9
=> SHOW server_version_num;
server_version_num
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What is the maximum float in Python?
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How do you test functions and closures for equality?
...safeBitCast between types of different sizes. The idea is to build a event based system but the removeEventListener method should be able to check the function pointers.
– freezing_
Jan 28 '15 at 21:19
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How do you run a crontab in Cygwin on Windows?
...nistrator". In cmd prompt:
cd <directory_where_i_forgot_the setup-x86_64.exe> cygwin installer:
set package_name=cygrunsrv cron
setup-x86_64.exe -n -q -s http://cygwin.mirror.constant.com -P %package_name%
Ensure the installer does not throw any errors in the prompt ... If it has - you p...
Where Is Machine.Config?
... when you save something system does not save your changes in wrong folder based on 32 or 64 bit.
– Afshin Teymoori
Jan 29 '16 at 4:41
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Eclipse executable launcher error: Unable to locate companion shared library
....jar
--launcher.library
plugins/org.eclipse.equinox.launcher.gtk.linux.x86_64_1.1.200.v20120913-144807
For some twisted reason jars have version in their name - so if you upgrade/have two different version of eclipse( while eclipse.ini is either linked or provided as system wide conf file for ecli...
Plotting time in Python with Matplotlib
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