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how to provide a swap function for my class?
What is the proper way to enable my swap in STL algorithms?
3 Answers
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Adding git branch on the Bash command prompt
I tried adding the git branch I'm currently working on (checked-out) on the bash prompt without success.. ( while keeping my current path which shows the active directory/file intact)
I have a .bashrc file on my home, but I also saw many people mentioning the .profile file..
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In Objective-C, how do I test the object type?
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If your object is myObject, and you want to test to see if it is an NSString, the code would be:
[myObject isKindOfClass:[NSString class]]
Likewise, if you wanted to test myObject for a UIImageView:
[myObject isKindOfClass:[UIImageView class]]
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How to round up a number to nearest 10?
...ivide by 10, do the ceil, then multiply by 10 to reduce the significant digits.
$number = ceil($input / 10) * 10;
Edit: I've been doing it this way for so long.. but TallGreenTree's answer is cleaner.
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xkcd style graphs in MATLAB
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I see two ways to solve this: The first way is to add some jitter to the x/y coordinates of the plot features. This has the advantage that you can easily modify a plot, but you have to draw the axes yourself if you want to have them xkcdyfied (see @Rody Oldenhuis' solution). The secon...
What is the difference between Gemfile and Gemfile.lock in Ruby on Rails
...es could lead to broken tests, etc.) You shouldn't ever have to directly edit the lock file.
Check out Bundler's Purpose and Rationale, specifically the Checking Your Code into Version Control section.
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What is the difference between an annotated and unannotated tag?
If I want to tag the current commit. I know both of the following command lines work:
3 Answers
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How do I find the .NET version?
...follow
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edited Apr 23 '17 at 11:25
Peter Mortensen
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Java equivalents of C# String.Format() and String.Join()
I know this is a bit of a newbie question, but are there equivalents to C#'s string operations in Java?
16 Answers
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How do I alter the position of a column in a PostgreSQL database table?
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"Alter column position" in the PostgreSQL Wiki says:
PostgreSQL currently defines column
order based on the attnum column of
the pg_attribute table. The only way
to change column order is either by
recreating the table, or by addi...