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Copying files from Docker container to host
...ncies on a Continuous Integration (CI) server, so that I don't have to install all the runtimes and libraries on the agents themselves.
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Simple logical operators in Bash
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What you've written actually almost works (it would work if all the variables were numbers), but it's not an idiomatic way at all.
(…) parentheses indicate a subshell. What's inside them isn't an expression like in many other languages. It's a l...
Check whether a variable is a string in Ruby
...return true for instances from derived classes.
class X < String
end
foo = X.new
foo.is_a? String # true
foo.kind_of? String # true
foo.instance_of? String # false
foo.instance_of? X # true
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C# member variable initialization; best practice?
...rties (field initializers cannot) - i.e.
[DefaultValue("")]
public string Foo {get;set;}
public Bar() { // ctor
Foo = "";
}
Other than that, I tend to prefer the field initializer syntax; I find it keeps things localized - i.e.
private readonly List<SomeClass> items = new List<SomeCla...
Use git “log” command in another folder
...with the --git-dir parameter, before passing any commands.
git --git-dir /foo/bar/.git log
(Specifying the .git directory is necessary.) From the documentation:
--git-dir=<path>
Set the path to the repository. This can also be controlled by setting the GIT_DIR environment variable....
How do I tar a directory of files and folders without including the directory itself?
I typically do:
17 Answers
17
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How to do multiple arguments to map function where one remains the same in python?
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@Shan: Very similar, especially if add() is a non-trivial function
– Sven Marnach
May 31 '12 at 13:52
2
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import .css file into .less file
...by the browser at runtime ; with (inline), the CSS file's contents are actually imported into the compiled stylesheet, which is what you want if that file is out of your web root for example. Note that the default behaviour when @importing a .css file is the same as with the (css) flag - read the d...
Any equivalent to .= for adding to beginning of string in PHP?
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Nope. But you can do
$foo = "bar" . $foo
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Lightweight Java Object cache API [closed]
...to implement a simple cache without third party jars:
Map <String, Foo> cache = new LinkedHashMap<String, Foo>(MAX_ENTRIES + 1, .75F, true) {
public boolean removeEldestEntry(Map.Entry<String, Foo> eldest) {
return size() > MAX_ENTRIES;
}
};...