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Constants in Objective-C
I'm developing a Cocoa application, and I'm using constant NSString s as ways to store key names for my preferences.
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What is the garbage collector in Java?
I am new to Java and confused about the garbage collector in Java. What does it actually do and when does it comes into action. Please describe some of the properties of the garbage collector in Java.
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Why does calling a method in my derived class call the base class method?
Consider this code:
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Git diff to show only lines that have been modified
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Secondary axis with twinx(): how to add to legend?
...e labels to the lines, and want to show them with legend() , but I only succeed to get the labels of one axis in the legend:
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SQL/mysql - Select distinct/UNIQUE but return all columns?
I am trying to accomplish the following sql statement but I want it to return all columns is this possible? Something like:
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How to check if element in groovy array/hash/collection/list?
How do I figure out if an array contains an element?
I thought there might be something like [1, 2, 3].includes(1) which would evaluate as true .
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How do I use shell variables in an awk script?
I found some ways to pass external shell variables to an awk script, but I'm confused about ' and " .
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Why use iterators instead of array indices?
Take the following two lines of code:
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When do I really need to use atomic instead of bool? [duplicate]
Isn't atomic<bool> redundant because bool is atomic by nature? I don't think it's possible to have a partially modified bool value. When do I really need to use atomic<bool> instead of bool ?
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