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How do I pass an extra parameter to the callback function in Javascript .filter() method?
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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(...
Difference between compile and runtime configurations in Gradle
...untime. For example, let's say that a program called app uses library foo, and library foo internally uses library bar. Then only foo is needed to compile app, but both foo and bar are needed to run it. This is why by default, everything that you put on Gradle's compile configuration is also visible...
What does the 'b' character do in front of a string literal?
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Otherwise, is an answer for somebody who already understands it.
– Rafael Eyng
Oct 18 '19 at 1:37
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show 1 more comment
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ERROR 2006 (HY000): MySQL server has gone away
... for me; nothing could be done via client-side only configuration/options, and I wasn't willing to go down a programmatic solution via PHP or other.
– Richard Sitze
Dec 16 '12 at 21:15
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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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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),...
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....
Storyboard - refer to ViewController in AppDelegate
...e storyboard, add the class files for this ViewController into the project and specify the name of the new class in the IB identity inspector. Now how am I going to refer to this ViewController programmatically from the AppDelegate? I've made a variable with the relevant class and turned it into an ...
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 # ...
Automatic creation date for Django model form objects?
What's the best way to set a creation date for an object automatically, and also a field that will record when the object was last updated?
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