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What are the dark corners of Vim your mom never told you about? [closed]
There are a plethora of questions where people talk about common tricks, notably " Vim+ctags tips and tricks ".
70 Answers
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Import package.* vs import package.SpecificType [duplicate]
... specific type (i.e. import java.lang.ClassLoader )? Would the second one be a more advisable way to use than the other one?
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How to see the changes between two commits without commits in-between?
How do you make git diff only show the difference between two commits, excluding the other commits in-between?
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Check if object is a jQuery object
Is there a fast way of checking if an object is a jQuery object or a native JavaScript object?
9 Answers
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Is there a foreach in MATLAB? If so, how does it behave if the underlying data changes?
Is there a foreach structure in MATLAB? If so, what happens if the underlying data changes (i.e. if objects are added to the set)?
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What is a plain English explanation of “Big O” notation?
I'd prefer as little formal definition as possible and simple mathematics.
41 Answers
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How to convert a factor to integer\numeric without loss of information?
...numeric or integer, I get the underlying level codes, not the values as numbers.
10 Answers
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Calling Java varargs method with single null argument?
If I have a vararg Java method foo(Object ...arg) and I call foo(null, null) , I have both arg[0] and arg[1] as null s. But if I call foo(null) , arg itself is null. Why is this happening?
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Vagrant error: NFS is reporting that your exports file is invalid
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Try using the known good versions of VirtualBox and Vagrant noted in Discourse as Your First Rails App:
Vagrant 1.1.2
VirtualBox 4.2.10
I was having the same issue on Mac (OS X 10.9 (Mavericks)), but rolling back to these versions seemed to fix it for me.
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Why is i++ not atomic?
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i++ is probably not atomic in Java because atomicity is a special requirement which is not present in the majority of the uses of i++. That requirement has a significant overhead: there is a large cost in making an increment operation ...