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How to properly overload the
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Concepts version added, tested here godbolt.org/z/u9fGbK
– QuentinUK
May 4 at 13:34
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Finding the index of elements based on a condition using python list comprehension
...ross a need for this in a script/function/class. It's more for interactive testing of a class I am writing.
– Lee
Sep 1 '11 at 13:30
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Source code highlighting in LaTeX
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This can be typeset using the following command:
xelatex -shell-escape test.tex
(But minted also works with latex and pdflatex …)
minted.sty works similar to texments.sty but allows additional features.
How to get it
minted is listed on CTAN (package info)
documentation is of course incl...
How do I use Node.js Crypto to create a HMAC-SHA1 hash?
...pdate(text);
hash = hmac.digest('hex');
console.log("Method 2: ", hash);
Tested on node v6.2.2 and v7.7.2
See https://nodejs.org/api/crypto.html#crypto_class_hmac. Gives more examples for using the streaming approach.
sha...
Convert an image to grayscale in HTML/CSS
...s answer, and also Roman Nurik's answer, and relaxing somewhat the the 'no SVG' requirement, you can desaturate images in Firefox using only a single SVG file and some CSS.
Your SVG file will look like this:
<?xml version="1.0" encoding="UTF-8"?>
<svg version="1.1"
baseProfile="full"...
How should I read a file line-by-line in Python?
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f = open('test.txt','r')
for line in f.xreadlines():
print line
f.close()
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What is “X-Content-Type-Options=nosniff”?
I am doing some penetration testing on my localhost with OWASP ZAP, and it keeps reporting this message:
5 Answers
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What is the difference between Gemfile and Gemfile.lock in Ruby on Rails
...ns. (Running different versions on different machines could lead to broken tests, etc.) You shouldn't ever have to directly edit the lock file.
Check out Bundler's Purpose and Rationale, specifically the Checking Your Code into Version Control section.
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Determining type of an object in ruby
... to how String behaves. object.respond_to?(:to_s) would be a better way to test that the object in question does what you want.
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How to add a custom button state
.... The call shall be placed in the setters. I have not tried other classes. Tests performed on a froyo device.
– Giorgio Barchiesi
Apr 28 '11 at 17:09
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