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How to return dictionary keys as a list in Python?
In Python 2.7 , I could get dictionary keys , values , or items as a list:
8 Answers
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How to configure git push to automatically set upstream without -u?
I want git push origin to automatically set the upstream reference when I push a locally-created branch for the first time.
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What exactly is Heroku?
...rning Ruby on rails and I was wondering what Heroku really is? I know that its a cloud that helps us to avoid using servers? When do we actually use it?
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AngularJS: Basic example to use authentication in Single Page Application
I am new to AngularJS and gone through their tutorial and got a feel for it.
6 Answers
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How can I wait for set of asynchronous callback functions?
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You haven't been very specific with your code, so I'll make up a scenario. Let's say you have 10 ajax calls and you want to accumulate the results from those 10 ajax calls and then when they have all completed you want to do something. You can do it like ...
Netty vs Apache MINA
They both provide roughly the same functionality. Which one should I choose to develop my high-performance TCP server? What are the pros & cons?
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Batch renaming files with Bash
...ries of packages to remove their version numbers? I've been toying around with both expr and %% , to no avail.
10 Answer...
bash: Bad Substitution
This bash script gives me Bad substitution error on Ubuntu. Any help will be highly appreciated.
11 Answers
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How to add property to a class dynamically?
... a property to a class dynamically. But that's the catch: you have to add it to the class.
>>> class Foo(object):
... pass
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>>> foo = Foo()
>>> foo.a = 3
>>> Foo.b = property(lambda self: self.a + 1)
>>> foo.b
4
A property is actually a simple...
Convert HH:MM:SS string to seconds only in javascript
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Try this:
var hms = '02:04:33'; // your input string
var a = hms.split(':'); // split it at the colons
// minutes are worth 60 seconds. Hours are worth 60 minutes.
var seconds = (+a[0]) * 60 * 60 + (+a[1]) * 60 + (+a[2]);
console.log(seconds);
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