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Add a property to a JavaScript object using a variable as the name?
...pulling items out of the DOM with jQuery and want to set a property on an object using the id of the DOM element.
13 Ans...
You have already activated X, but your Gemfile requires Y
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Using bundle exec is the right way to do this.
Basically what's happening is that you've updated rake to 0.9.2 which now conflicts with the version specified in your Gemfile. Previously the latest version of rake you had matched t...
Windows equivalent of the 'tail' command
...he file after the nth line:
DOS Prompt:
C:\>more +2 myfile.txt
The above command will output everything after the first 2 lines.
This is actually the inverse of Unix head:
Unix console:
root@server:~$ head -2 myfile.txt
The above command will print only the first 2 lines of the file.
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How to rename a single column in a data.frame?
...mp)[2] <- "newname2"
attempts to set the second column's name. Your object only has one column, so the command throws an error. This should be sufficient:
colnames(trSamp) <- "newname2"
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Changing user agent on urllib2.urlopen
How can I download a webpage with a user agent other than the default one on urllib2.urlopen?
9 Answers
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How to retrieve absolute path given relative
Is there a command to retrieve the absolute path given the relative path?
21 Answers
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Can I use CoffeeScript instead of JS for node.js?
...ions if I want to code node.js and use CoffeeScript?
Can I do anything I'd be able to do in JS?
8 Answers
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How to use XPath in Python?
What are the libraries that support XPath? Is there a full implementation? How is the library used? Where is its website?
1...
How to calculate time difference in java?
I want to subtract two timeperiods say 16:00:00 from 19:00:00. Is there any java function for this? The results can be in milliseconds, seconds, or minutes.
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Untrack files from git temporarily
... a local git on my machine. When I initialized git, I added pre-compiled libs and binaries. However, now during my development I don't want to check in those files intermittently. I dont want to remove these files from repo. Is there any way to not keep a track of these files till I complete my deve...