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document.getElementById vs jQuery $()

...defined. One benefit on using the jQuery object is that you won't get any errors if no elements were returned, as an object is always returned. However you will get errors if you try to perform operations on the null returned by document.getElementById ...
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SQL : BETWEEN vs =

...ake a hard look at any date/time query that uses it, since its probably an error. share | improve this answer | follow | ...
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How to execute file I'm editing in Vi(m)

...olution does get the output to a split window. Use :copen to open up the "error list" produced by running :make.in its own window. Unfortunately, to get the output to be formatted properly, some finagling of the errorformat option is necessary. Otherwise output will be presumed to be of the forma...
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How to compare two NSDates: Which is more recent?

... Well - the compare method is as error-prone as off-by-one errors. Thus, you should use (NSDate *)laterDate:(NSDate *)anotherDate which will return the later date of both. so you just compare your expected result and you're done! No fiddling around with "Waa...
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How to break nested loops in JavaScript? [duplicate]

...Agree with @FlorianF, this is ugly in the sense that it seems to be a more error prone solution than adding a label, although I don't have any statistical evidence for that. Whether you are used to labels or not, they are certainly not an error-free concept, but hard coding numbers that you have to ...
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What does template mean?

... I got error when using enum as parameter. <Non-type template argument is not a constant expression>. The possible value of enum is finite, is there any way to make it work. – iaomw Sep 6...
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Get MIME type from filename extension

...the future since it's not an agreed upon contract and you'll get a runtime error instead of a compile-time error if that happens. If you are going to do this, you should at least add unit tests for it to be sure to catch it early when upgrading .NET versions. Besides that, if you're going to add m...
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Rails 4 multiple image or file upload using carrierwave

... from saving. Instead the post is saved, and then the ActiveRecord invalid error is thrown for the attachment model only. I think this is because of the create! method. but using create instead just fails silently. Any idea how to have the validation happen on the post reach into the attachments? ...
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Python to print out status bar and percentage

... Try total as 10, then you get error message ZeroDivisionError: long division or modulo by zero – unseen_rider Oct 15 '17 at 15:27 ...
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Appending a line to a file only if it does not already exist

... Add -s to ignore errors when the file does not exist, creating a new file with just that line. – Frank Mar 21 '18 at 18:09 ...