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Most efficient way to determine if a Lua table is empty (contains no entries)?
...e a habit of comparing to nil instead in the future, just as a good habit. And yes, I've been binding common utility functions to local vars for speed. Thanks for the input though.
– Amber
Aug 10 '09 at 1:41
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One line if-condition-assignment
...ssible in Python, since what you're actually trying to do probably gets expanded to something like this:
num1 = 20 if someBoolValue else num1
If you exclude else num1, you'll receive a syntax error since I'm quite sure that the assignment must actually return something.
As others have already me...
What's the difference if I put css file inside or ?
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Just to add on to what jdelStrother has mentioned about w3 specs and ARTstudio about browser rendering.
It is recommended because when you have the CSS declared before <body> starts, your styles has actually loaded already. So very quickly users see something appear on their screen (...
Browserify - How to call function bundled in a file generated through browserify in browser
I am new to nodejs and browserify. I started with this link .
11 Answers
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How to SSH to a VirtualBox guest externally through a host? [closed]
... one interface already which is using NAT. Then go to the Network settings and click the Port Forwarding button. Add a new Rule. As the rule name, insert "ssh". As "Host port", insert 3022. As "Guest port", insert 22. Everything else of the rule can be left blank.
or from the command line
VBoxMan...
How to read multiple text files into a single RDD?
I want to read a bunch of text files from a hdfs location and perform mapping on it in an iteration using spark.
10 Answers...
C# declare empty string array
I need to declare an empty string array and i'm using this code
9 Answers
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How to force garbage collection in Java?
...ollection in Java, even if it is tricky to do? I know about System.gc(); and Runtime.gc(); but they only suggest to do GC. How can I force GC?
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How do I mock an autowired @Value field in Spring with Mockito?
I'm using Spring 3.1.4.RELEASE and Mockito 1.9.5. In my Spring class I have:
7 Answers
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How to undo a git pull?
...s.
To the commenter
ORIG_HEAD is previous state of HEAD, set by commands that have possibly dangerous behavior, to be easy to revert them. It is less useful now that Git has reflog: HEAD@{1} is roughly equivalent to ORIG_HEAD (HEAD@{1} is always last value of HEAD, ORIG_HEAD is last value of ...