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String is immutable. What exactly is the meaning? [duplicate]
I wrote the following code on immutable Strings.
19 Answers
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gitignore all files of extension in directory
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Never tried it, but git help ignore suggests that if you put a .gitignore with *.js in /public/static, it will do what you want.
Note: make sure to also check out Joeys' answer below: if you want to ignore files in a specific subdirectory, ...
Simplest way to profile a PHP script
... is dated 2004, the extension is no longer maintained and has various compability issues (see comments).
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Convert blob to base64
This is a snippet for the code that I want to do Blob to Base64 string:
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How do I get the time difference between two DateTime objects using C#?
How do I get the time difference between two DateTime objects using C#?
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What is the runtime performance cost of a Docker container?
...st of a Docker container. I've found references to networking anecdotally being ~100µs slower .
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Scala @ operator
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It enables one to bind a matched pattern to a variable. Consider the following, for instance:
val o: Option[Int] = Some(2)
You can easily extract the content:
o match {
case Some(x) => println(x)
case None =>
}
But ...
How can I do test setup using the testing package in Go
...th Go 1.4 you can implement setup/teardown (no need to copy your functions before/after each test). The documentation is outlined here in the Main section:
TestMain runs in the main goroutine and can do whatever setup and
teardown is necessary around a call to m.Run. It should then call
os.E...
Is there a zip-like function that pads to longest length in Python?
Is there a built-in function that works like zip() but that will pad the results so that the length of the resultant list is the length of the longest input rather than the shortest input?
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Git: How to return from 'detached HEAD' state
If one would checkout a branch:
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