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Convert a list to a data frame
...x means that all data will be coerced into a common type. I.e. if you have one column of character data and one column of numeric data the numeric data will be coerced to string by matrix() and then both to factor by data.frame().
– Ian Sudbery
Mar 15 '13 at 10...
Update just one gem with bundler
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note: this command will update one gem without dependencies of it
– mmike
Jun 4 '18 at 11:07
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How to check if a map contains a key in Go?
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One line answer:
if val, ok := dict["foo"]; ok {
//do something here
}
Explanation:
if statements in Go can include both a condition and an initialization statement. The example above uses both:
initializes two vari...
What is “String args[]”? parameter in main method Java
...String objects.
In other words, if you run your program as java MyProgram one two then args will contain ["one", "two"].
If you wanted to output the contents of args, you can just loop through them like this...
public class ArgumentExample {
public static void main(String[] args) {
fo...
How to configure git push to automatically set upstream without -u?
... to keep in mind that this does not make the local branch track the remote one; it just creates the remote branch with the same name as the local one.
– waldyrious
Mar 15 '19 at 12:20
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What exactly is Type Coercion in Javascript?
... coercion means that when the operands of an operator are different types, one of them will be converted to an "equivalent" value of the other operand's type. For instance, if you do:
boolean == integer
the boolean operand will be converted to an integer: false becomes 0, true becomes 1. Then the...
What is the precise meaning of “ours” and “theirs” in git?
...nse, as even though "theirs" is probably yours anyway, "theirs" is not the one you were on when you ran git merge.
While using the actual branch name might be pretty cool, it falls apart in more complex cases. For instance, instead of the above, you might do:
git checkout ours
git merge 1234567
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The $.param( ) inverse function in JavaScript / jQuery
...o get the whole BBQ plugin, the deparam function was extracted as a standalone plugin here: github.com/chrissrogers/jquery-deparam
– Felipe Castro
Jan 8 '13 at 0:52
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Throttling method calls to M requests in N seconds
I need a component/class that throttles execution of some method to maximum M calls in N seconds (or ms or nanos, does not matter).
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document.getElementById vs jQuery $()
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For anyone interested document.getElementBy doesn't work correctly in <IE8. It also gets elements by name therefore you could theoretically argue document.getElementById is not only misleading, but can return incorrect values. ...