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Design by contract using assertions or exceptions? [closed]
...t they are calling a function with a condition breach, but don't stop them from using it if they feel they know better. The breach could cause exceptions to occur, but I see that as a different thing.
– Matt_JD
May 22 '11 at 7:45
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Should I test private methods or only public ones? [closed]
...always thought it's faster to test only public methods that will be called from outside the object. Do you test private methods? Should I always test them?
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Change Twitter Bootstrap Tooltip content on click
... element, that sends an AJAX request on click. This element has a tooltip (from Twitter Bootstrap). I want the tooltip content to change when the AJAX request returns successfully. How can I manipulate the tooltip after initiation?
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How to properly compare two Integers in Java?
...ividual operator's documentation to see whether it's applied. For example, from the docs for == and != (JLS 15.21.1):
If the operands of an equality
operator are both of numeric type, or
one is of numeric type and the other
is convertible (§5.1.8) to numeric
type, binary numeric promoti...
Named regular expression group “(?Pregexp)”: what does “P” stand for?
...mphasis mine]:
Subject: Claiming (?P...) regex syntax extensions
From: Guido van Rossum (gui...@CNRI.Reston.Va.US)
Date: Dec 10, 1997 3:36:19 pm
I have an unusual request for the Perl developers (those that develop
the Perl language). I hope this (perl5-porters) is the right l...
How do I get the name of the active user via the command line in OS X?
...43s /bin/bash
me pts/5 15:56 0.00s 0.23s 0.00s w
(This is from a Linux system; the formatting on OS X may be slightly different, but the information should be about the same.)
There may be multiple login sessions; UNIX is designed to be a multi-user system, after all.
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How exactly does a generator comprehension work?
...prehension is a construct which you can use to create a new list/generator from an existing one.
Let's say you want to generate the list of squares of each number from 1 to 10. You can do this in Python:
>>> [x**2 for x in range(1,11)]
[1, 4, 9, 16, 25, 36, 49, 64, 81, 100]
here, range(...
How to add number of days to today's date? [duplicate]
...
Moment.js
Install moment.js from here.
npm : $ npm i --save moment
Bower : $ bower install --save moment
Next,
var date = moment()
.add(2,'d') //replace 2 with number of days you want to add
.toDate(); //convert it to a Javascrip...
Bash syntax error: unexpected end of file
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I had this in a script shared with me from a zsh user. The former does work in zsh but not in sh nor bash. Wish I was 4 people so I could give this 4 upvotes
– Davos
Jan 4 '19 at 0:41
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Command not found error in Bash variable assignment
...language, a word consisting solely of underscores, digits, and alphabetics from the portable character set. The first character of a name is not a digit.". So the word FOO-BAR=qux is not a variable assignment since FOO-BAR is not a valid name.
– William Pursell
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