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What do the plus and minus signs mean in Objective-C next to a method?
In Objective-C, I would like to know what the + and - signs next to a method definition mean.
4 Answers
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How do you execute an arbitrary native command from a string?
...ed with the following scenario: Write a function that accepts a string to be run as a native command.
4 Answers
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How do you clear a slice in Go?
...ition of 'clear'. One of the valid ones certainly is:
slice = slice[:0]
But there's a catch. If slice elements are of type T:
var slice []T
then enforcing len(slice) to be zero, by the above "trick", doesn't make any element of
slice[:cap(slice)]
eligible for garbage collection. This might...
ignoring any 'bin' directory on a git project
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Before version 1.8.2, ** didn't have any special meaning in the .gitignore. As of 1.8.2 git supports ** to mean zero or more sub-directories (see release notes).
The way to ignore all directories called bin anywhere below th...
Maven skip tests
I am using Maven 2.2.1 and to build my project I used this command
8 Answers
8
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How to trim a string in SQL Server before 2017?
In SQL Server 2017, you can use this syntax, but not in earlier versions:
7 Answers
7
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Vim: Delete buffer without losing the split window
When a buffer gets deleted (the "bd[elete]" command), it not only deletes the buffer but also removes the split window that buffer was in.
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How to implement common bash idioms in Python? [closed]
I currently do my textfile manipulation through a bunch of badly remembered AWK, sed, Bash and a tiny bit of Perl.
17 Answe...
How do you work with an array of jQuery Deferreds?
I have an application that requires data be loaded in a certain order: the root URL, then the schemas, then finally initialize the application with the schemas and urls for the various data objects. As the user navigates the application, data objects are loaded, validated against the schema, and di...
Inserting multiple rows in mysql
Is the database query faster if I insert multiple rows at once:
5 Answers
5
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