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JavaScript equivalent of PHP's in_array()
.... For this reason most popular libraries come with one in their utility packages. Check out jQuery's inArray and Prototype's Array.indexOf for examples.
jQuery's implementation of it is as simple as you might expect:
function inArray(needle, haystack) {
var length = haystack.length;
for(v...
How can I read command line parameters from an R script?
I've got a R script for which I'd like to be able to supply several command-line parameters (rather than hardcode parameter values in the code itself). The script runs on Windows.
...
Java String - See if a string contains only numbers and not letters
...ent to see if it contains letters or numbers but, something isn't quite working correctly. Here is a snippet.
17 Answers
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Numpy first occurrence of value greater than existing value
...
This is a little faster (and looks nicer)
np.argmax(aa>5)
Since argmax will stop at the first True ("In case of multiple occurrences of the maximum values, the indices corresponding to the first occurrence are returned.") and doesn't save another list...
UITextField - capture return button event
How can I detect when a user pressed "return" keyboard button while editing UITextField?
I need to do this in order to dismiss keyboard when user pressed the "return" button.
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Read specific columns from a csv file with csv module?
... you don't include your print statement in your for loop.
This is most likely the end of your code:
for row in reader:
content = list(row[i] for i in included_cols)
print content
You want it to be this:
for row in reader:
content = list(row[i] for i in included_cols)
print ...
Iterating over Java collections in Scala
I'm writing some Scala code which uses the Apache POI API. I would like to iterate over the rows contained in the java.util.Iterator that I get from the Sheet class. I would like to use the iterator in a for each style loop, so I have been trying to convert it to a native Scala collection but ...
How to print a double with two decimals in Android? [duplicate]
...t if it's not creating a method. Maybe there's a "natural way" to do it, like in C for example. Here's the problem:
6 Answe...
How do I save a stream to a file in C#?
...ect that I initialized with a stream, now I want to save this stream to disk (the stream may be a .gif or .jpg or .pdf ).
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JavaScript closure inside loops – simple practical example
...unction.
ES6 solution: let
ECMAScript 6 (ES6) introduces new let and const keywords that are scoped differently than var-based variables. For example, in a loop with a let-based index, each iteration through the loop will have a new variable i with loop scope, so your code would work as you expect. ...