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Remove first 4 characters of a string with PHP
How can I remove the first 4 characters of a string using PHP?
7 Answers
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Find commit by hash SHA in Git
I need to find a commit in Git by a given hash, SHA. For example, if I have the "a2c25061" hash, and I need to get the author and the committer of this commit.
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Installing CocoaPods: no response
Trying to install CocoaPods from the terminal:
6 Answers
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SASS - use variables across multiple files
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You can do it like this:
I have a folder named utilities and inside that I have a file named _variables.scss
in that file i declare variables like so:
$black: #000;
$white: #fff;
then I have the style.scss file in which i import all of my other scss files like th...
What is the difference between up-casting and down-casting with respect to class variable
... a type check and can throw a ClassCastException.
In your case, a cast from a Dog to an Animal is an upcast, because a Dog is-a Animal. In general, you can upcast whenever there is an is-a relationship between two classes.
Downcasting would be something like this:
Animal animal = new Dog();
Dog c...
Force drop mysql bypassing foreign key constraint
I'm trying to delete all tables from a database except one, and I end up having the following error:
6 Answers
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What do @, - and + do as prefixes to recipe lines in Make?
In the GNU Makefile manual, it mentions these prefixes.
2 Answers
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How to generate a git patch for a specific commit?
I need to write a script that creates patches for a list of SHA1 commit numbers.
10 Answers
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Blocks on Swift (animateWithDuration:animations:completion:)
I'm having trouble making the blocks work on Swift. Here's an example that worked (without completion block):
7 Answers
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XPath to find elements that does not have an id or class
How can I get all tr elements without id attribute?
4 Answers
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