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“var” or no “var” in JavaScript's “for-in” loop?
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Using var is the cleanest way, but both work as described here: https://developer.mozilla.org/en/JavaScript/Reference/Statements/for...in
Basically, by using var you ensure that you create a new variable. Otherwise you might accidentally use a previously defined variable.
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Fatal error in launcher: Unable to create process using “”C:\Program Files (x86)\Python33\python.exe
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having the same trouble I read in https://pip.pypa.io/en/latest/installing.html#install-pip that to update pip it's:
python -m pip install -U pip
So I made (for example)
python -m pip install virtualenv
And it worked! So you can do the same being 'virtual...
What should be the values of GOPATH and GOROOT?
...should not point to the Go installation, but rather to your workspace (see https://golang.org/doc/code.html#GOPATH). Whenever you install some package with go get or go install, it will land within the GOPATH. That is why it warns you, that you most definitely do not want random packages from the in...
How to list all users in a Linux group?
...ers:
python -c "import grp; print grp.getgrnam('GROUP_NAME')[3]"
See https://docs.python.org/2/library/grp.html
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How can I set the default timezone in node.js?
...fset is reverse of what one would expect. Etc/GMT-1 is UTC + 1 hour. See https://en.wikipedia.org/wiki/List_of_tz_database_time_zones
– npskirk
Oct 12 '19 at 18:37
add a com...
RegEx to extract all matches from string using RegExp.exec
... console.log(m[1], m[2]);
}
} while (m);
Try it with this JSFiddle: https://jsfiddle.net/7yS2V/
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C++ Const Usage Explanation
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Read this: https://isocpp.org/wiki/faq/const-correctness
The final const means that the function Method3 does not modify the non mutable members of its class.
const int* const means a constant pointer to a constant int: i.e. a pointer...
Why is  appearing in my HTML? [duplicate]
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If you have a lot of files to review, you can use this tool:
https://www.mannaz.at/codebase/utf-byte-order-mark-bom-remover/
Credits to Maurice
It help me to clean a system, with MVC in CakePhp, as i work in Linux, Windows, with different tools.. in some files my design was break.. s...
Connecting overloaded signals and slots in Qt 5
...verloading problem is clearly stated in the docs themselves. For instance, https://doc.qt.io/qt-5/qspinbox.html#valueChanged-1 says
Note: Signal valueChanged is overloaded in this class. To connect to this signal by using the function pointer syntax, Qt provides a convenient helper for obtaining...
How do getters and setters work?
...is->$property = $value;
}
return $this;
}
}
?>
citings:
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/get
http://tweener.ivank.net/
Getter and Setter?
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