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How can I declare optional function parameters in Javascript? [duplicate]
...b || 0;
// b will be set either to b or to 0.
}
This works as long as all values you explicitly pass in are truthy.
Values that are not truthy as per MiniGod's comment: null, undefined, 0, false, ''
It's pretty common to see JavaScript libraries to do a bunch of checks on optional inputs befor...
What's the difference if I put css file inside or ?
Normally css files are put inside <head></head> , what if I put it inside <body></body> , what difference will it make?
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Can I specify multiple users for myself in .gitconfig?
...
You can manually edit those config files with git config --edit and git config --global --edit. And in case you missed Abizern’s comment, a repository’s config file is at <repo-root>/.git/config.
– Rory O'...
Switch on ranges of integers in JavaScript [duplicate]
...ch statement does not provide a rationale to remove switch statements from all languages.
– xtempore
Jul 21 '14 at 8:03
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How to use web-fonts legally? [closed]
...int products, on graphics on your web site, etc., but you are almost never allowed to re-distribute a digital version of the font, not even to display it on your web site using Tools like sIFR. If you want to make sure, and big things are at stake, make sure and contact the font vendor first.
There...
On showing dialog i get “Can not perform this action after onSaveInstanceState”
...yMe;
This may lead to unexpected results in some cases. Better use commitAllowingStateLoss() instead of commit()
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Turn on IncludeExceptionDetailInFaults (either from ServiceBehaviorAttribute or from the
....serviceModel>
</configuration>
You can also set it programmatically. See this question.
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Regular Expression to match only alphabetic characters
...z]+$/
to match an input string of ASCII alphabets.
[A-Za-z] will match all the alphabets (both lowercase and uppercase).
^ and $ will make sure that nothing but these alphabets will be matched.
Code:
preg_match('/^[A-Z]+$/i', "abcAbc^Xyz", $m);
var_dump($m);
Output:
array(0) {
}
Test cas...
Simple state machine example in C#?
...ate machines with a GetNext function to return the next state deterministically, and a MoveNext function to mutate the state machine.
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Symfony2 : How to get form validation errors after binding the request to the form
... May 24 '15 at 23:40
Carrie Kendall
10.5k55 gold badges5656 silver badges7979 bronze badges
answered Aug 8 '11 at 9:23
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