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How to count the number of occurrences of an element in a List
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int occurrences = Collections.frequency(animals, "bat");
That's how I'd do it anyway. I'm pretty sure this is jdk 1.6 straight up.
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How do I get the file name from a String containing the Absolute file path?
...able contains a file name, C:\Hello\AnotherFolder\The File Name.PDF . How do I only get the file name The File Name.PDF as a String?
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Expression Versus Statement
...which evaluates to a value. Example: 1+2/x
Statement: A line of code which does something. Example: GOTO 100
In the earliest general-purpose programming languages, like FORTRAN, the distinction was crystal-clear. In FORTRAN, a statement was one unit of execution, a thing that you did. The only reas...
Yank entire file
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What does the + do, please?
– VoY
Dec 16 '10 at 8:57
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Swift: #warning equivalent
Does Swift have a #warning equivalent?
It's simply used to show a warning in Xcode's own GUI
14 Answers
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Pull new updates from original GitHub repository into forked GitHub repository
...ill have a remote named “origin” that points to your fork on GitHub.
Don’t let the name confuse you, this does not point to the original repo you forked from. To help you keep track of that repo we will add another remote named “upstream”:
$ cd github-services
$ git remote add upstream...
How to serve an image using nodejs
...ion is over 5 years old but every answer has some problems.
TL;DR
Scroll down for examples to serve an image with:
express.static
express
connect
http
net
All of the examples are also on GitHub: https://github.com/rsp/node-static-http-servers
Test results are available on Travis: https://trav...
How can I detect if a selector returns null?
...he best way to detect if a jQuery-selector returns an empty object.
If you do:
8 Answers
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Allow anything through CORS Policy
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github.com/cleor41/Cors-Rails4-API Check this out if you don't know where to put it still.
– CleoR
Oct 7 '14 at 14:46
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How do I Convert DateTime.now to UTC in Ruby?
If I have d = DateTime.now , how do I convert 'd' into UTC (with the appropriate date)?
7 Answers
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