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Usages of Null / Nothing / Unit in Scala

...wered Apr 23 '13 at 16:40 pagoda_5bpagoda_5b 6,84711 gold badge2323 silver badges3737 bronze badges ...
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Which comment style should I use in batch files?

...his is a comment, the caret is ignored^ echo This line is printed REM This_is_a_comment_the_caret_appends_the_next_line^ echo This line is part of the remark REM followed by some characters .:\/= works a bit different, it doesn't comment an ampersand, so you can use it as inline comment. echo Fi...
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Meaning of $? (dollar question mark) in shell scripts

.../drush status bootstrap | grep -q $(vendor/bin/drush php-eval 'if (function_exists("t")) echo t("Successful");') &> /dev/null;. If I had to put that in a single line if [ ... ] it would be terribly unreadable. I plan to store the output of that line to a variable so I can just say if [ $drupa...
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How does the keyword “use” work in PHP and can I import classes with it?

...ou want to access those class objects then you can do the following: $smtp_mailer = new SMTPMailer; $mailgun_mailer = new MailgunMailer; It will reference the original class. Some may get confused that then of there are not Similar class names then there is no use of use keyword. Well, you can u...
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ReactJS render string with non-breaking spaces

... contain characters such as &. It also contains spaces. I want to replace all spaces with   . 6 Answers ...
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Struggling with NSNumberFormatter in Swift for currency

...string(from: price) // "$123.44" formatter.locale = Locale(identifier: "es_CL") formatter.string(from: price) // $123" formatter.locale = Locale(identifier: "es_ES") formatter.string(from: price) // "123,44 €" Here's the old example on how to use it on Swift 2. let price = 123.436 let form...
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Undo git update-index --skip-worktree

... are marked with S. Edit: As @amacleod mentioned, making an alias to list all the hidden files is a nice trick to have so that you don't need to remember it. I use alias hidden="git ls-files -v | grep '^S'" in my .bash_profile. It works great! ...
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Pass correct “this” context to setTimeout callback?

...erscore.js, lodash It's available in Underscore.js, as well as lodash, as _.bind(...)1,2 bind Bind a function to an object, meaning that whenever the function is called, the value of this will be the object. Optionally, bind arguments to the function to pre-fill them, also known as partial appl...
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difference between collection route and member route in ruby on rails?

...h search_photos_path Acts on collection of resources(display all photos) share | improve this answer | follow | ...
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Instance v state variables in react.js

...nter: function () { // Open a new one after a delay this._timeout = setTimeout(function () { this.openWidget(); }.bind(this), DELAY); }, handleLeave: function () { // Clear the timeout for opening the widget clearTimeout(this._timeout...