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Remove file from the repository but keep it locally

... Not when he pulls; the files will stay removed locally during the pull's automatic merge process. After that, a push will cause the files to be removed server-side. – Walter Mundt Aug 12 '10 at 16:38 ...
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Recommended way of making React component/div draggable

...React.createClass({ getDefaultProps: function () { return { // allow the initial position to be passed in as a prop initialPos: {x: 0, y: 0} } }, getInitialState: function () { return { pos: this.props.initialPos, dragging: false, rel: null // position...
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How can I remove all text after a character in bash?

How can I remove all text after a character, in this case a colon (":"), in bash? Can I remove the colon, too? I have no idea how to. ...
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Why does X[Y] join of data.tables not allow a full outer join, or a left join?

...Y) does both ways at the same time. The number of rows of X[Y] and Y[X] usually differ, whereas the number of rows returned by merge(X,Y) and merge(Y,X) is the same. BUT that misses the main point. Most tasks require something to be done on the data after a join or merge. Why merge all the co...
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What are the differences between ipython and bpython?

...g. Run functions in the background in a separate task with %bg. A whole parallel programming environment (not really a feature you expect from an interactive Python shell, but IPython offers it). This list could be nearly arbitrarily continued. And of course there will be lots of features in bpyt...
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Mongo: find items that don't have a certain field

...rpret it as the field has to be equal to null and not missing. This is actually unexpected behavior, because you wouldn't be able to do the same for 0 (which is also false), so null is kind of the exception here. Therefore, best practice is the more readable answer using $exists: false which is not ...
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Why does Math.Floor(Double) return a value of type Double?

...r is outside the range of long - so what would you expect to happen? Typically you know that the value will actually be within the range of int or long, so you cast it: double d = 1000.1234d; int x = (int) Math.Floor(d); but the onus for that cast is on the developer, not on Math.Floor itself. I...
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How is attr_accessible used in Rails 4?

... away from fat model, thin controller, etc, and towards thin models, and really bloated controllers. You have to write all this stuff for every instance, it doesn't read nicely, and nesting seems to be a pain. The old attr_accessible/attr_accessor in the model system wasn't broken, and didn't need...
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Why should I use Restify?

...hich removes the overhead of creating a connection each time when getting called from the same client. To be fair, we have also tested Restify with the configuration flag of closing the connection. You’ll see a substantial decrease in throughput in that scenario for obvious reasons. Looks like...
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How to find where a method is defined at runtime?

... This is really late, but here's how you can find where a method is defined: http://gist.github.com/76951 # How to find out where a method comes from. # Learned this from Dave Thomas while teaching Advanced Ruby Studio # Makes the cas...