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Javascript: How to check if a string is empty? [duplicate]
... blank spaces, so with length we can't determine whether a string is empty or not.
– evolquez
Aug 28 '13 at 12:21
6
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Python: Is it bad form to raise exceptions within __init__?
Is it considered bad form to raise exceptions within __init__ ? If so, then what is the accepted method of throwing an error when certain class variables are initialized as None or of an incorrect type?
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OS X: equivalent of Linux's wget
...n a stock OS X system? (installing third-party software is not an option, for this has to run on a lot of different systems which I don't have control on).
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Why do indexes in XPath start with 1 and not 0?
...ost every other language has, the reasoning being that it was a language for users (e.g. Excel VBA) instead of a language for developers.
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Panel.Dock Fill ignoring other Panel.Dock setting
If you create a panel on a form and set it to Dock=Top and drop another panel and set its Dock=Fill, it may fill the entire form, ignoring the first panel. Changing the tab order does nothing.
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How can I trim beginning and ending double quotes from a string?
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You can use String#replaceAll() with a pattern of ^\"|\"$ for this.
E.g.
string = string.replaceAll("^\"|\"$", "");
To learn more about regular expressions, have al ook at http://regular-expression.info.
That said, this smells a bit like that you're trying to invent a CSV parser...
Azure Blob Storage vs. File Service [closed]
Please correct my wrongs. From my reading on the topic so far, it appears to me that both, Azure Blob Storage and File Service offer the ability to store file(s) and folder(s) (I understand that blobs can store any binary object, but any serialized binary stream is just a file at the end of the day)...
Validate a username and password against Active Directory?
How can I validate a username and password against Active Directory? I simply want to check if a username and password are correct.
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jQuery: Can I call delay() between addClass() and such?
...a new queue item to do your removing of the class:
$("#div").addClass("error").delay(1000).queue(function(next){
$(this).removeClass("error");
next();
});
Or using the dequeue method:
$("#div").addClass("error").delay(1000).queue(function(){
$(this).removeClass("error").dequeue();
})...
Why is JSHINT complaining that this is a strict violation?
...call this function with a bound this context, e.g. gotoPage.bind(myObj)(5) or gotoPage.call(myObj, 5). If so, you can ignore JSHint, as you will not generate any errors. But, it is telling you that your code is unclear to anyone reading it, because using this inside of something that is not obviousl...