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Advantages of Antlr (versus say, lex/yacc/bison) [closed]
... the past for various projects, usually translators (such as a subset of EDIF streamed into an EDA app). Additionally, I've had to support code based on lex/yacc grammars dating back decades. So I know my way around the tools, though I'm no expert.
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JavaScript Date Object Comparison
...her. Coerce them to number:
alert( +startDate2 == +startDate3 ); // true
If you want a more explicity conversion to number, use either:
alert( startDate2.getTime() == startDate3.getTime() ); // true
or
alert( Number(startDate2) == Number(startDate3) ); // true
Oh, a reference to the spec: §11...
MySQL Multiple Joins in one query?
...d = images.image_id
However be aware that, because it is an INNER JOIN, if you have a message without an image, the entire row will be skipped. If this is a possibility, you may want to do a LEFT OUTER JOIN which will return all your dashboard messages and an image_filename only if one exists (ot...
jquery $(window).height() is returning the document height
...irst thing in your document. E.g., you can't have any text before it, even if it doesn't render anything.
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What are the differences between double-dot “..” and triple-dot “…” in Git diff commit ranges?
What are the differences between the following commands?:
5 Answers
5
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ipad safari: disable scrolling, and bounce effect?
...d disabling ontouchmove event but it's still possible to see bounce effect if done carefully. (iOS 5)
– Nilesh
Mar 2 '12 at 10:18
7
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What is the difference between onBlur and onChange attribute in HTML?
...re onchange then onblur, and it will normally do the same in IE. However, if you press the enter key instead of tab, in Firefox it will fire onblur then onchange, while IE will usually fire in the original order. However, I've seen cases where IE will also fire blur first, so be careful. You can'...
When and why to 'return false' in JavaScript?
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This is particularly good if you want an AJAX form that submits without reloading the page - but also works by submitting and reloading the page when javascript is not available.
– Dean Rather
May 13 '09 at 1:50
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Stack Memory vs Heap Memory [duplicate]
... heap memory. All I know is when I call new, I would get memory from heap. If if create local variables, I would get memory from stack. After some research on internet, the most common answer is stack memory is temporary and heap memory is permanent.
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How to have no pagebreak after \include in LaTeX
...not needed for a final version, is to use includes only in the draft:
\newif\ifdraft\drafttrue
or
\newif\ifdraft\draftfalse
\ifdraft
\include{...}
\fi
\ifdraft
\include{file}
\else
\input{file}
\fi
The first line can be easily appended by a makefile, to make draft or production version...