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How does the Java 'for each' loop work?
...est A: 326,373,762 nanoseconds
Test B: 202,555,566 nanoseconds
B faster by 123,818,196 nanoseconds (37.437545972215744% faster)
I also ran this for an Integer array, and indexes are still the clear winner, but only between 18 and 25 percent faster.
For collections, iterators are faster than index...
Java equivalent to Explode and Implode(PHP) [closed]
...!= split.length - 1) {
sb.append(" ");
}
}
String joined = sb.toString();
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123
The original intention in C++98 was that you should use <cstdint> in C++, to avoid pollu...
What is a “callback” in C and how are they implemented?
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Here is an example of callbacks in C.
Let's say you want to write some code that allows regis...
How to prepare a Unity project for git? [duplicate]
... the steps necessary to prepare a Unity project for committing to a git repository eg. github? I don't want to store unnecessary files (specially temp files and avoid binary formats as much as possible).
...
How can I use Autolayout to set constraints on my UIScrollview?
.... Check the entire constraint list for those views here: cl.ly/image/3l061i123j2i
– backslash-f
Apr 14 '15 at 19:51
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Read an Excel file directly from a R script
....7239 148.0940 255.0124 100
# readxl 122.0238 122.8448 132.4021 123.6964 130.2881 214.5138 100
# gdata 2004.4745 2042.0732 2087.8724 2062.5259 2116.7795 2425.6345 100
So readxl is the winner, with openxlsx competitive and gdata a clear loser. Taking each measure relative to th...
iPhone Simulator location
...hone Simulator/
You can browse simulator files from that directory in Mac OS X.
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Subtract 7 days from current date
...
If you're running at least iOS 8 or OS X 10.9, there's an even cleaner way:
NSDate *sevenDaysAgo = [[NSCalendar currentCalendar] dateByAddingUnit:NSCalendarUnitDay
value:-7
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Where are the PostgreSQL logs on macOS?
I would like to take a look at the PostgreSQL log files to see what my app writes to them but I can't find them.
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