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Variable length (Dynamic) Arrays in Java
...u silently, but you could get some weird behavior depending on what you're doing.
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Getting an object from an NSSet
If you can't get an object with objectAtIndex: from an NSSet then how do you retrieve objects?
8 Answers
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Is Integer Immutable
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Immutable does not mean that a can never equal another value. For example, String is immutable too, but I can still do this:
String str = "hello";
// str equals "hello"
str = str + "world";
// now str equals "helloworld"
str was not...
Easy idiomatic way to define Ordering for a simple case class
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The case class A suggested in the answer doesn't seem to compile under scala 2.10. Am I missing something?
– Doron Yaacoby
Apr 29 '14 at 13:43
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How can I get a precise time, for example in milliseconds in Objective-C?
...and the timeIntervalSince* methods will return a NSTimeInterval which is a double with sub-millisecond accuracy. NSTimeInterval is in seconds, but it uses the double to give you greater precision.
In order to calculate millisecond time accuracy, you can do:
// Get a current time for where you want...
How to merge YAML arrays?
...ig --global url."https://gitlab-ci-token:${CI_JOB_TOKEN}@gitlab.com".insteadOf "ssh://git@gitlab.com"
- mkdir -p ~/.ssh
- chmod 700 ~/.ssh
- echo "$SSH_KNOWN_HOSTS" > ~/.ssh/known_hosts
- chmod 644 ~/.ssh/known_hosts
test:
image: python:3.7.3
stage: test
script:
- *pip_git
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linux: kill background task
How do I kill the last spawned background task in linux?
8 Answers
8
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Installing python module within code
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One issue with this is that, for novice users on Windows, python and pip are not always on their PATH, and so a .py file that could be double-clicked would be quite convenient, whereas a "pip install xxx" comment can be quite tricky.
– jdpipe
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How to throw a C++ exception
... compare( -1, 3 );
}
catch( const std::invalid_argument& e ) {
// do stuff with exception...
}
You can have multiple catch() statements after each try, so you can handle different exception types separately if you want.
You can also re-throw exceptions:
catch( const std::invalid_argu...
Reordering of commits
...oing to assume you want to leave commit c on branch A, and that you really do mean you want to move the other commits to the other branches, rather than merging, since merges are straightforward. Let's start by manipulating branch A.
git rebase -i <SHA1 of commit a>^ branchA
The ^ means the...