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Add up a column of numbers at the Unix shell
Given a list of files in files.txt , I can get a list of their sizes like this:
20 Answers
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What are the rules about using an underscore in a C++ identifier?
... C++ Standard:
17.4.3.1.2 Global names [lib.global.names]
Certain sets of names and function signatures are always reserved to the implementation:
Each name that contains a double underscore (__) or begins with an underscore followed by an uppercase letter (2.11) is reserved to the ...
Compare two MySQL databases [closed]
...are data, use this instead; still be some MySQL4+ comments about character sets, etc. mysqldump --opt --compact --skip-extended-insert -u user -p db table > file.sql
– zanlok
Mar 6 '12 at 21:53
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How dangerous is it to compare floating point values?
I know UIKit uses CGFloat because of the resolution independent coordinate system.
11 Answers
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Paste a multi-line Java String in Eclipse [duplicate]
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CNTL+M = Make code. In the View > Toad Options you can set what format the 'code' is in. Java for example is there.
– checketts
Feb 16 '12 at 21:53
add a c...
Can I combine :nth-child() or :nth-of-type() with an arbitrary selector?
...ctor ? For example, I want to select every odd table row, but within a subset of the rows:
7 Answers
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How to use if - else structure in a batch file?
...as, all are quite ugly but hey, this is (or at least was) DOS!
@echo off
set one=1
set two=2
REM Example 1
IF %one%_%two%==1_1 (
echo Example 1 fails
) ELSE IF %one%_%two%==1_2 (
echo Example 1 works correctly
) ELSE (
echo Example 1 fails
)
REM Example 2
set test1result=0
set test2r...
grep, but only certain file extensions
...ts to grep certain directories, but these directories contain all sorts of file types.
11 Answers
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How to play a local video with Swift?
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U can setup AVPlayer in another way, that open for u full customization of your video Player screen
Swift 2.3
Create UIView subclass for playing video (basically u can use any UIView object and only needed is AVPlayerLayer. I se...
What is the difference between == and Equals() for primitives in C#?
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Primitives types override the base object.Equals(object) and return true if the boxed object is of the same type and value. (Note that it will also work for nullable types; non-null nullable types always box to an instance of the underlying type.)
Since newAge is a short, its Equals(object) method ...