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Benefits of using the conditional ?: (ternary) operator
What are the benefits and drawbacks of the ?: operator as opposed to the standard if-else statement. The obvious ones being:
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How do cache lines work?
I understand that the processor brings data into the cache via cache lines, which - for instance, on my Atom processor - brings in about 64 bytes at a time, whatever the size of the actual data being read.
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What are deferred objects?
jQuery 1.5 adds "Deferred Objects". What are they, and what exactly do they do?
4 Answers
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How can I write output from a unit test?
...e(line) or Console.Write(Line) simply gets skipped over while debugging and the output is never printed. Calls to these functions from within classes I'm using work fine.
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How do I check two or more conditions in one ?
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If you are using JSP 2.0 and above It will come with the EL support:
so that you can write in plain english and use and with empty operators to write your test:
<c:if test="${(empty object_1.attribute_A) and (empty object_2.attribute_B)}">
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WSGI vs uWSGi with Nginx [closed]
...Ok, guys this confusion is because of lack of detail from several sources, and the naming of these protocols, and what WSGI actually is.
Summary:
WSGI and uwsgi both ARE protocols, not servers. It is used to communicate with web servers for load balancing and especially to take advantage of extr...
SQL: How to properly check if a record exists
...optimize SELECT COUNT(*) anyway, so while there is a difference in theory (and older databases), you shouldn't notice any difference in practice.
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Determining Whether a Directory is Writeable
....W_OK | os.X_OK) With os.W_OK by itself you can only delete the directory (and only if that directory is empty)
– fthinker
Mar 23 '12 at 17:13
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Android REST client, Sample?
...reason to use anything else.
EDIT:
The original answer is more than a year and a half old at the time of this edit. Although the concepts presented in original answer still hold, as other answers point out, there are now libraries out there that make this task easier for you. More importantly, some ...
Does Javascript pass by reference? [duplicate]
...out my parameter for the rectangle function. It is actually undefined , and redefined inside the function. There are no original reference. If I remove it from the function parameter, the inside area function is not able to access it.
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