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Why is the shovel operator (

...g a new one. The reason for this is that in ruby a += b is syntactic shorthand for a = a + b (the same goes for the other <op>= operators) which is an assignment. On the other hand << is an alias of concat() which alters the receiver in-place. ...
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Best way to split string into lines

...ible solutions I prefer the one using regular expressions since only that handles all source platforms correctly. – Konrad Rudolph Jan 20 '11 at 17:14 ...
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Import an existing git project into GitLab?

... I was able to fully export my project along with all commits, branches and tags to gitlab via following commands run locally on my computer: To illustrate my example, I will be using https://github.com/raveren/kint as the source repository that I want to import into gitlab. I created an empty p...
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“var” or no “var” in JavaScript's “for-in” loop?

... If you write var i in the for loop the alert shows 2. JavaScript Scoping and Hoisting share | improve this answer | follow | ...
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Eclipse - Unable to install breakpoint due to missing line number attributes

...ue"> Still, same message. I didn't find out what caused this message and why it wouldn't go away. Though it seemed to have something to do with the running Tomcat debug session: when disconnected, recompiling solves the issue. But on connecting the debugger to Tomcat or on setting new breakpoi...
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Converting pixels to dp

I have created my application with the height and width given in pixels for a Pantech device whose resolution is 480x800 . ...
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Read url to string in few lines of java code

...nner scanner = new Scanner(new URL(requestURL).openStream(), StandardCharsets.UTF_8.toString())) { scanner.useDelimiter("\\A"); return scanner.hasNext() ? scanner.next() : ""; } } share ...
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Composer killed while updating

...atest versions of every package. This makes your app less likely to break, and composer uses less memory. Read more here: https://getcomposer.org/doc/01-basic-usage.md#installing-with-composer-lock Alternatively, you can upload the entire vendor directory to the server, bypassing the need to run com...
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How could the UNIX sort command sort a very large file?

The UNIX sort command can sort a very large file like this: 7 Answers 7 ...
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Making git auto-commit

... On Linux you could use inotifywait to automatically execute a command every time a file's content is changed. Edit: the following command commits file.txt as soon as it is saved: inotifywait -q -m -e CLOSE_WRITE --format="git commit -m 'autocommit on change' %w" file.txt | sh ...