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How do you Force Garbage Collection from the Shell?
... I've used popen2 in Python or open3 in Perl to do this.
UPDATE: here's a one-liner using jmxterm:
echo run -b java.lang:type=Memory gc | java -jar jmxterm-1.0-alpha-4-uber.jar -n -l host:port
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Removing empty lines in Notepad++
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@ST3 hmm what was I thinking, This one is much better: (\r\n|\r|\n)(\s*(\r\n|\r|\n))+ and replace with \r\n see it in action here: regex101.com/r/qD9dB1/1
– Myster
Aug 17 '15 at 23:58
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Getting a random value from a JavaScript array
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It is a simple one-liner
const randomElement = array[Math.floor(Math.random() * array.length)];
Example
const months = ["January", "February", "March", "April", "May", "June", "July"];
const random = Math.floor(Math.random() * months....
Remove empty elements from an array in Javascript
...gs, the above function wouldn't remove elements that are an empty string.
One typical pattern that I see often used is to remove elements that are falsy, which include an empty string "", 0, NaN, null, undefined, and false.
You can pass to the filter method, the Boolean constructor function, or re...
Why CancellationToken is separate from CancellationTokenSource?
...ated token. It would have been natural
to combine these two classes into one, but this design allows the two
key operations (initiating a cancellation request vs. observing and
responding to cancellation) to be cleanly separated. In particular,
methods that take only a CancellationToken can ...
Why it's not possible to use regex to parse HTML/XML: a formal explanation in layman's terms
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Concentrate on this one:
A finite automaton (which is the data structure underlying a regular
expression) does not have memory apart from the state it's in, and if
you have arbitrarily deep nesting, you need an arbitrarily large
automa...
This project references NuGet package(s) that are missing on this computer
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OK9999, at one point, you must have enabled it from an earlier version of Visual Studio, by right clicking on the solution and choosing "Enable NuGet package restore" which did it the old way. We don't need that anymore
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trying to animate a constraint in swift
...s and made sure the constraint on the left has the lower priority then the one that I am trying to animate on the right side.
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SQL query to group by day
... edited Jan 3 '14 at 14:15
Gone Coding
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answered Nov 1 '09 at 21:22
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Traversing text in Insert mode
...follow rson's advice and use Ctrl+O. Taking the first example that I mentioned above, Ctrl+OFf will move you to a previous "f" character and leave you in insert mode.
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