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Double exclamation points? [duplicate]
...lse.
!!"foo" // Evaluates to true.
If foo.bar is passed through, then it may not be 0 but some other falsy value. See the following truth table:
Truth Table for javascript
'' == '0' // false
0 == '' // true
0 == '0' // true
false ...
How do you manage your gists on GitHub? [closed]
I love GitHub and their gist service, and that's why I'm keeping a lot of code snippets and even development notes as a gist on my GitHub account. It also makes it easy to share them with my colleagues.
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What is the advantage of using abstract classes instead of traits?
What is the advantage of using an abstract class instead of a trait (apart from performance)? It seems like abstract classes can be replaced by traits in most cases.
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How to measure code coverage in Golang?
Has anyone succeeded in generating code coverage for Go unit tests? I can't find a tool for that on the web.
11 Answers
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Is there a way to make R beep/play a sound at the end of a script?
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alarm()
The alarm function. It works by sending \a to the console
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HTML Entity Decode [duplicate]
How do I encode and decode HTML entities using JavaScript or JQuery?
17 Answers
17
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Making git auto-commit
I'd like to use git to record all the changes to a file.
18 Answers
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Saving an Object (Data persistence)
...pickle module in the standard library.
Here's an elementary application of it to your example:
import pickle
class Company(object):
def __init__(self, name, value):
self.name = name
self.value = value
with open('company_data.pkl', 'wb') as output:
company1 = Company('banan...
The difference between fork(), vfork(), exec() and clone()
...good memory management, fork() made a full copy of the parent's memory, so it was pretty expensive. since in many cases a fork() was followed by exec(), which discards the current memory map and creates a new one, it was a needless expense. Nowadays, fork() doesn't copy the memory; it's simply set...
Can you control how an SVG's stroke-width is drawn?
Currently building a browser-based SVG application. Within this app, various shapes can be styled and positioned by the user, including rectangles.
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