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How do I pass an extra parameter to the callback function in Javascript .filter() method?
...
Make startsWith accept the word to compare against and return a function which will then be used as filter/callback function:
function startsWith(wordToCompare) {
return function(element) {
return element.indexOf(wordToCompare) === 0;
}
}
addressBook.filter(...
NPM cannot install dependencies - Attempt to unlock something which hasn't been locked
...per photusenigma at: https://github.com/npm/npm/issues/4815
Run these commands in a terminal window (note - DON'T replace the $USER part...thats a linux command to get your user!):
sudo chown -R $USER ~/.npm
sudo chown -R $USER /usr/local/lib/node_modules
...and...if you're on a mac (like I am),...
Java: how to convert HashMap to array
... answered Jul 7 '09 at 5:47
Landon KuhnLandon Kuhn
59.1k4141 gold badges9999 silver badges129129 bronze badges
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Why I am Getting Error 'Channel is unrecoverably broken and will be disposed!'
When I try to launch my AndEngine Activity , I get this error:
19 Answers
19
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How to export JavaScript array info to csv (on client side)?
... this nature but I need to do this using JavaScript. I am using Dojo 1.8 and have all the attribute info in array, which looks like this:
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BaseException.message deprecated in Python 2.6
...- almost no coding needed
Just inherit your exception class from Exception and pass the message as the first parameter to the constructor
Example:
class MyException(Exception):
"""My documentation"""
try:
raise MyException('my detailed description')
except MyException as my:
print my # ...
How does collections.defaultdict work?
...re precisely, it's an arbitrary "callable" object, which includes function and type objects). For the first example, default items are created using int(), which will return the integer object 0. For the second example, default items are created using list(), which returns a new empty list object....
How to get a random number in Ruby
How do I generate a random number between 0 and n ?
17 Answers
17
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Read only the first line of a file?
...ile again when the block ends.
The with statement only works in Python 2.5 and up, and in Python 2.5 you need to use from __future__ import with_statement
In Python 3 you should specify the file encoding for the file you open. Read more...
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Installing a local module using npm?
...roject-dir
$ npm link ../package-dir
This is equivalent to using two commands above under the hood.
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