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Is it good style to explicitly return in Ruby?
...d
Was this meant to be a function that returned a value, or not? It's really hard to say what the developer meant, as it both assigns the instance variable, AND returns the value assigned as well.
Suppose much later, another programmer (perhaps not that familiar with how Ruby does returns based ...
Read binary file as string in Ruby
...g it as a one-liner solution (like so many things on stackoverflow)? After all, it works, and the name for these functions were just an arbitrary choice of the ruby library designers. If only we had some language with synonyms... that still somehow knows exactly what we want in edge cases/ambiguous ...
Why won't my PHP app send a 404 error?
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Your code is technically correct. If you looked at the headers of that blank page, you'd see a 404 header, and other computers/programs would be able to correctly identify the response as file not found.
Of course, your users are still SOL. N...
Branch from a previous commit using Git
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@MattFenwick Git will allow you to use shortened hashes everywhere a hash is allowed, as long as the shortened hash is ''unique'' in the repository. So if it didn’t work, try adding another character from the hash.
– poke
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Get a random boolean in python?
... but I found that random.getrandbits(1) to be quite a lot faster. If you really want a boolean instead of a long then
bool(random.getrandbits(1))
is still about twice as fast as random.choice([True, False])
Both solutions need to import random
If utmost speed isn't to priority then random.choic...
Counting inversions in an array
...m to do the following: Given array A[1... n] , for every i < j , find all inversion pairs such that A[i] > A[j] . I'm using merge sort and copying array A to array B and then comparing the two arrays, but I'm having a difficult time seeing how I can use this to find the number of inversions...
Initial bytes incorrect after Java AES/CBC decryption
...hought of making a fully functional code.
Hope this will be useful to you all:
To compile you need additional Apache Commons Codec jar, which is available here:
http://commons.apache.org/proper/commons-codec/download_codec.cgi
import javax.crypto.Cipher;
import javax.crypto.spec.IvParameterSpec;
i...
How do I delete a local repository in git? [duplicate]
...ommands in your terminal window:
defaults write com.apple.finder AppleShowAllFiles TRUE
killall Finder
Source: http://lifehacker.com/188892/show-hidden-files-in-finder.
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How to get the HTML for a DOM element in javascript
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Now that it's 2013, calling "domnode.outerHTML" works on all major browsers (FF since v11)
– Kevin
Oct 31 '13 at 17:23
ad...
How do you create a hidden div that doesn't create a line break or horizontal space?
...lobal HTML attribute hidden which is available since HTML5.1 which is basically the same as saying display: none although straight from HTML. However any use of the display property overrides the behavior of the hidden global attribute.
– Marius Mucenicu
Aug 29...