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Delete empty lines using sed
...er solutions can preserve the original colors. Compare unbuffer apt search foo | grep . to unbuffer apt search foo | grep -v ^$
– wisbucky
Apr 25 '19 at 23:12
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How to convert URL parameters to a JavaScript object?
....replace(/&/g, '","').replace(/=/g,'":"') + '"}')
Example
Parse abc=foo&def=%5Basf%5D&xyz=5 in five steps:
decodeURI: abc=foo&def=[asf]&xyz=5
Escape quotes: same, as there are no quotes
Replace &: abc=foo","def=[asf]","xyz=5
Replace =: abc":"foo","def":"[asf]","xyz":"5
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Get list of passed arguments in Windows batch script (.bat)
...find these useful:
%0 - the command used to call the batch file (could be foo, ..\foo, c:\bats\foo.bat, etc.)
%1 is the first command line parameter,
%2 is the second command line parameter,
and so on till %9 (and SHIFT can be used for those after the 9th).
%~nx0 - the actual name of the batch fi...
How to force cp to overwrite without confirmation
.... However, if you use -nf it adds the ability to clear the -i. So:
cp -f /foo/* /bar <-- Prompt
cp -nf /foo/* /bar <-- No Prompt
Pretty neat huh? /necropost
PHP function to build query string from array
... any key-value pair where the value is NULL. echo http_build_query(array("foo"=>"bar","bar"=>null)) will produce only foo=bar
– cb0
Aug 13 '14 at 13:06
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How does variable assignment work in JavaScript?
...b = {};
a and b are now pointers to the same object. So when you do:
a.foo = 'bar';
It sets b.foo as well since a and b point to the same object.
However!
If you do this instead:
a = 'bar';
you are saying that a points to a different object now. This has no effect on what a pointed to be...
How to initialize a List to a given size (as opposed to capacity)?
...ldn't an associative array be more fitting?
Dictionary<int, string> foo = new Dictionary<int, string>();
foo[2] = "string";
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Convert JSON String to JSON Object c#
...n = JsonConvert.DeserializeObject(str);
or try for a typed object try:
Foo json = JsonConvert.DeserializeObject<Foo>(str)
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Delete all local changesets and revert to tree
... of those.
If the target revision is called good and your clone is called foo, then do:
hg clone -r good foo foo-clean
This will be a fast, local operation -- there is no reason to download everything again. The foo-clean clone will only contain changesets up to revision good. You can now replac...
How do I define global variables in CoffeeScript?
... as properties on window
This means you need to do something like window.foo = 'baz';, which handles the browser case, since there the global object is the window.
Node.js
In Node.js there's no window object, instead there's the exports object that gets passed into the wrapper that wraps the Nod...