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What is the difference between float and double?
...times have long double[1] (the above example gives 9.000000000000000066 on Mac), but all floating point types suffer from round-off errors, so if precision is very important (e.g. money processing) you should use int or a fraction class.
Furthermore, don't use += to sum lots of floating point numbe...
Are loops really faster in reverse?
...potential to optimize the code. JITs will translate simple loops to direct machine opcodes, but if loops have too many variables then JIT won't be able to optimize as good. Generally, it's limited by architecture or cpu registers that JIT uses. Initializing once and going down simply cleanest soluti...
What should my Objective-C singleton look like? [closed]
...
Here is a macro for the above method: gist.github.com/1057420. This is what I use.
– Kobski
Jan 30 '12 at 19:21
1
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How to split strings across multiple lines in CMake?
...Debian Jessy (2015): 3.0.2
Ubuntu 14.04 (LTS): 2.8.12
Ubuntu 15.04 : 3.0.2
Mac OSX : cmake-3 available through Homebrew, Macports and Fink
Windows: cmake-3 available through Chocolatey
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Can Android Studio be used to run standard Java projects?
...Test.main()'
or
press CTRL + SHIFT + F10 (on windows) or control + R (on Mac)
There you have your Java code running below.
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'Missing recommended icon file - The bundle does not contain an app icon for iPhone / iPod Touch of
...an be seen here.
Here's a helpful website that creates an icon for iOS, Mac App and Android app.
You just need to drag and drop your 1024 x 1024 icon and the site will create all the icon sizes and send it to your email. Then follow the following method to set icons for iOS app.
After Apple lau...
Does MySQL included with MAMP not include a config file?
...
For MAMP 3.5 on Mac El Capitan, only this worked for me:
Stop servers
Create a my.cnf file in /Applications/MAMP/Library/
Add your content into my.cnf like
[mysqld]
max_allowed_packet = 64M
Save my.cnf
Start servers
Not required to cha...
The shortest possible output from git log containing author and date
...ntu try installing and running as follows:
$ sudo apt-get install tig
For mac users, brew to the rescue :
$ brew install tig
(tig gets installed)
$ tig
(log is displayed in pager as follows, with current commit's hash displayed at the bottom)
2010-03-17 01:07 ndesigner changes to sponsors li...
How do I match any character across multiple lines in a regular expression?
... file (M enables file slurping here). Note pcregrep is a good solution for Mac OS grep users.
See demos.
Non-POSIX-based engines:
php - Use s modifier PCRE_DOTALL modifier: preg_match('~(.*)<Foobar>~s', $s, $m) (demo)
c# - Use RegexOptions.Singleline flag (demo): - var result = Regex.Mat...
Docker - a way to give access to a host USB or serial device?
...ine which /dev/<device> is the associated Android device on the host machine, especially when using Docker Quickstart Terminal (VirtualBox Host) for Windows or Mac?
– DanCat
Nov 24 '15 at 19:03
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