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Javascript: How to loop through ALL DOM elements on a page?
...every iteration is usually a micro-optimisation, but it's not particularly more difficult to write and so I just do it naturally.
– Andy E
Mar 23 '15 at 9:04
2
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How do I get currency exchange rates via an API such as Google Finance? [closed]
... use fixer.io instead due to stability issues.
Might be useful if you need more than just a CSV.
(thanks to Keyo) Yahoo Query Language lets you get a whole bunch of currencies at once in XML or JSON. The data updates by the second (whereas the European Central Bank has day old data), and stops in t...
How to print colored text in Python?
...ation). There are ansi codes for setting the color, moving the cursor, and more.
If you are going to get complicated with this (and it sounds like you are if you are writing a game), you should look into the "curses" module, which handles a lot of the complicated parts of this for you. The Python C...
When writing a directive in AngularJS, how do I decide if I need no new scope, a new child scope, or
...it or damaging it, and neither is bueno.
I find myself using child scopes more often than isolate or parent scopes.
Isolate scope: scope: {}
This is for reusable components. :-)
But seriously, I think of "reusable components" as "self-contained components". The intent is that they are to be use...
Clojure: reduce vs. apply
....
+ is itself implemented in terms of reduce for the variable-arity case (more than 2 arguments). Indeed, this seems like an immensely sensible "default" way to go for any variable-arity, associative function: reduce has the potential to perform some optimisations to speed things up -- perhaps thro...
How can we match a^n b^n with Java regex?
...lowly constructed. In this aspect, hopefully this answer will contain much more than just another neat regex pattern. Hopefully readers will also learn how to "think in regex", and how to put various constructs harmoniously together, so they can derive more patterns on their own in the future.
The l...
How to get the current time in Python
...atetime.datetime.now().time())
15:08:24.789150
See the documentation for more information.
To save typing, you can import the datetime object from the datetime module:
>>> from datetime import datetime
Then remove the leading datetime. from all of the above.
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How do I get a plist as a Dictionary in Swift?
...ng plist: \(error), format: \(propertyListFormat)")
}
}
Read More
HOW TO USE PROPERTY LISTS (.PLIST) IN SWIFT.
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SHA1 vs md5 vs SHA256: which to use for a PHP login?
...HA256 which I read about in another stackoverflow article. Are any of them more secure than others? For SHA1/256, do I still use a salt?
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NSDate get year/month/day
...rently my most popular answer, I'll try to edit it to contain a little bit more information.
Despite its name, NSDate in and of itself simply marks a point in machine time, not a date. There's no correlation between the point in time specified by an NSDate and a year, month, or day. For that, you h...