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How to change the order of DataFrame columns?
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@FooBar, the type of cols is list; it even allows duplicates (which will be discarded when used on the dataframe). You are thinking of Index objects.
– alexis
Feb 28 '17 at 15:19
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how to remove css property using javascript?
...e provided. I tried using el.style.removeProperty('zoom'); (or 'fill', actually, in my case) that seems to do the same thing in IE, and get ignored by the other browsers. For some reason I was surprised to find that setting it to a blank string has the same effect and seems to work on all (recent ve...
Root user/sudo equivalent in Cygwin?
... The problem with this is that it creates a whole new terminal window (usually conhost). The output isn't inlined into the current terminal.
– CMCDragonkai
Apr 24 '16 at 7:19
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Difference between java.util.Random and java.security.SecureRandom
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The standard Oracle JDK 7 implementation uses what's called a Linear Congruential Generator to produce random values in java.util.Random.
Taken from java.util.Random source code (JDK 7u2), from a comment on the method protected int next(int bits), which is the one that genera...
Good MapReduce examples [closed]
...ibuted manner
Here is a wikipedia article explaining what map-reduce is all about
Another good example is Finding Friends via map reduce can be a powerful example to understand the concept, and
a well used use-case.
Personally, found this link quite useful to understand the concept
Copying th...
Undefined method 'task' using Rake 0.9.0
...ant solution. But if you have to use the --pre version of Rake it might be all right to use this quick hack.
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How to send a message to a particular client with socket.io
I'm starting with socket.io + node.js, I know how to send a message locally and to broadcast socket.broadcast.emit() function:- all the connected clients receive the same message.
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What is /dev/null 2>&1?
... either appending to or writing to /dev/null has the same net effect. I usually just use > for that reason.)
2>&1 redirects standard error (2) to standard output (1), which then discards it as well since standard output has already been redirected.
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Split string with multiple delimiters in Python [duplicate]
...think there is. See my comment on your post below.
– alldayremix
Feb 21 '13 at 23:23
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I'd prefe...
What is NoSQL, how does it work, and what benefits does it provide? [closed]
I've been hearing things about NoSQL and that it may eventually become the replacement for SQL DB storage methods due to the fact that DB interaction is often a bottle neck for speed on the web.
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