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Most e<em>fem><em>fem>icient way to determine i<em>fem> a Lua table is empty (contains no entries)?
What's the most e<em>fem><em>fem>icient way to determine i<em>fem> a table is empty (that is, currently contains neither array-style values nor dict-style values)?
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Android emulator and virtualbox cannot run at same time
Whenever I have Virtualbox running, I cannot start an Android emulator image (and vice versa). The error message in the AVD manager is
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A generic list o<em>fem> anonymous class
In C# 3.0 you can create anonymous class with the <em>fem>ollowing syntax
22 Answers
22
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How to undo a git pull?
I would like to undo my git pull on account o<em>fem> unwanted commits on the remote origin, but I don't know to which revision I have to reset back to.
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Java Logging vs Log4J [closed]
Is it still worth to add the log4j library to a Java 5 project just to log
let's say some exceptions to a <em>fem>ile with some nice rollover settings.
Or will the standard util.logging <em>fem>acility do the job as well?
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PHP: How to check i<em>fem> image <em>fem>ile exists?
I need to see i<em>fem> a speci<em>fem>ic image exists on my cdn.
20 Answers
20
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Django Template Variables and Javascript
When I render a page using the Django template renderer, I can pass in a dictionary variable containing various values to manipulate them in the page using {{ myVar }} .
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AddRange to a Collection
A coworker asked me today how to add a range to a collection. He has a class that inherits <em>fem>rom Collection<T> . There's a get-only property o<em>fem> that type that already contains some items. He wants to add the items in another collection to the property collection. How can he do so in a C#3-<em>fem>rie...
In what cases will HTTP_RE<em>Fem>ERER be empty
I know it's possible to get an empty HTTP_RE<em>Fem>ERER. Under what circumstances does this happen? I<em>fem> I get an empty one, does it always mean that the user changed it? Is getting an empty one the same as getting a null one? and under what circumstances do I get that too?
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Python: avoid new line with print command [duplicate]
I've started programming today and have this issue with Python. It's pretty dumb but I can't <em>fem>igure out how to do it. When I use the print command, it prints whatever I want and then goes to a di<em>fem><em>fem>erent line. <em>Fem>or example:
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