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Java String to SHA1
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return result;
}
BTW, you may get more compact representation using Base64. Apache Commons Codec API 1.4, has this nice utility to take away all the pain. refer here
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How to resolve merge conflicts in Git?
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Below is the sample procedure to use vimdiff for resolve merge conflicts. Based on this link
Step 1: Run following commands in your terminal
git config merge.tool vimdiff
git config merge.conflictstyle diff3
git config mergetool.prompt false
This will set vimdiff as the default merge tool.
Step 2:...
Getting values from query string in an url using AngularJS $location
...cationProvider) -> $locationProvider.html5Mode true ] You also need a base tag in the HTML file: <base href="/">
– Amin Ariana
Jan 18 '15 at 20:57
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What is “entropy and information gain”?
...d male or female, given the example that reached the node. We calculate it
based on the number of male and female classes at the node.
Entropy on the other hand is a measure of impurity (the opposite). It is defined for a binary class with values a/b as:
Entropy = - p(a)*log(p(a)) - p(b)*log(p(b))...
Install tkinter for Python
... from sources, but this is usually not the best idea with a binary package-based distro you're apparently running.
It's safer to apt-get install python-tk on your machine(s).
(Works on Debian-derived distributions like for Ubuntu; refer to your package manager and package list on other distribution...
Computed read-only property vs function in Swift
...g done. Maybe something has to be computed or read from disk or from a database: In this case I use a function, even when only a simple value is returned. That way I can easily see whether a call is cheap (properties) or possibly expensive (functions).
We will probably get more clarity when Apple ...
Print in one line dynamically
...tten '\r' in Python (and many other languages). Here's a complete example based on your code:
from sys import stdout
from time import sleep
for i in range(1,20):
stdout.write("\r%d" % i)
stdout.flush()
sleep(1)
stdout.write("\n") # move the cursor to the next line
Some things about t...
Switch statement fallthrough in C#?
...evs reading the code after the fact could learn about the feature from the base concept of goto
– Alex Lyman
Oct 14 '11 at 19:43
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How can I get a file's size in C++? [duplicate]
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Based on @jterm suggestion, opening the stream would be std::ifstream in(filename, std::ios::binary | std::ios::ate); Just to ease everybody's life ;)
– jmpcm
Nov 18 '14 at 11:41
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Using helpers in model: how do I include helper dependencies?
...s-html-input , I'm cleaning up the input in the model before saving to database, using the before_validate callback.
6 Answ...