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List all environment variables from the command line
Is it possible to list all environment variables from a Windows' command prompt?
8 Answers
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Image fingerprint to compare similarity of many images
...mage - and can be implemented quite efficiently. Subtracting one histogram from another will produce a new historgram which you can process to decide how similar two images are. Histograms, because the only evaluate the distribution and occurrence of luminosity/color information handle affine transf...
What is digest authentication?
How does Digest Authentication differ from Basic Authentication other than sending credentials as plain text?
3 Answers
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What does character set and collation mean exactly?
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From MySQL docs:
A character set is a set of symbols
and encodings. A collation is a set of
rules for comparing characters in a
character set. Let's make the
distinction clear with an example of
an imaginary ch...
Scala type programming resources
...l programming: "object-oriented" and "functional". Most examples linked to from here follow the object-oriented paradigm.
A good, fairly simple example of type-level programming in the object-oriented paradigm can be found in apocalisp's implementation of the lambda calculus, replicated here:
// A...
What's the difference between a 302 and a 307 redirect?
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So, from a parser/agent/browser perspective, we can simply treat 302 and 307 as identical right? (The exact same piece of code can be used to handle both cases without further distinguishment?)
– Pacerier
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Hidden Features of PHP? [closed]
...s sounds like a point-whoring question but let me explain where I'm coming from.
78 Answers
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How can I use tabs for indentation in IntelliJ IDEA?
...Indents > To Tabs
To convert tabs to spaces, you can chose "To Spaces" from the same place.
For all files
The paths in the other answers were changed a little:
File > Settings... > Editor > Code Style > Java > Tabs and Indents > Use tab character
File > Other Settings ...
What is the official “preferred” way to install pip and virtualenv systemwide?
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See: https://docs.python.org/2.7//installing/index.html
If not :
Update (from the release notes):
Beginning with v1.5.1, pip does not require setuptools prior to running get-pip.py. Additionally, if setuptools (or distribute) is not already installed, get-pip.py will install setuptools for you...
Does Java SE 8 have Pairs or Tuples?
...eems like it can be solved without using any kind of Pair structure. [Note from OP: here is the other correct answer.]
The short answer is no. You either have to roll your own or bring in one of the several libraries that implements it.
Having a Pair class in Java SE was proposed and rejected at...