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Eclipse, regular expression search and replace
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In search:
First and last '(' ')' depicts a group in regex
'\w' depicts words (alphanumeric+underscore)
'+' depicts one or more(ie one or more of alphanumeric+underscore)
'.' is a special character which depicts any character( ie .+ means
one or more of any character). Because this is a specia...
Difference between path.normalize and path.resolve in Node.js
...path.resolve('../../src/../src/node')
'/Users/mtilley/src/node'
In other words, path.normalize is "What is the shortest path I can take that will take me to the same place as the input", while path.resolve is "What is my destination if I take this path."
Note however that path.normalize() is much...
Can you split a stream into two streams?
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The javadoc wording does not exclude partitioning into several streams as long as a single stream item only goes in one of these
– Thorbjørn Ravn Andersen
Aug 19 '15 at 10:44
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Facebook API - How do I get a Facebook user's profile image through the Facebook API (without requir
.../USER_ID/picture?type=SIZE
where SIZE should be replaced with one of the words
square
small
normal
large
depending on the size you want.
This call will return a URL to a single image with its size based on your chosen type parameter.
For example:
https://graph.facebook.com/USER_ID/picture?ty...
Test for non-zero length string in Bash: [ -n “$var” ] or [ “$var” ]
...t need to quote the variable expansions inside [[ as there is no danger of word splitting and globbing.
To prevent shellcheck's soft complaints about [[ $var ]] and [[ ! $var ]], we could use the -n option.
Rare cases
In the rare case of us having to make a distinction between "being set to an em...
Should I put #! (shebang) in Python scripts, and what form should it take?
...ws, setuptools can generate wrapper .exe scripts automatically).
In other words, if the script is in a source checkout then you will probably see #!/usr/bin/env python. If it is installed then the shebang is a path to a specific python executable such as #!/usr/local/bin/python (NOTE: you should n...
What is the purpose of the “final” keyword in C++11 for functions?
What is the purpose of the final keyword in C++11 for functions? I understand it prevents function overriding by derived classes, but if this is the case, then isn't it enough to declare as non-virtual your final functions? Is there another thing I'm missing here?
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JavaScript: Check if mouse button down?
...ution, but what if the mouse is coming from a different application say ms word and its dragging some text. How will you detect that the mouse is down?
– Shadrack B. Orina
Apr 11 '12 at 9:40
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How do SO_REUSEADDR and SO_REUSEPORT differ?
...and port. Now you may wonder how is that any different than before? The keyword is "exactly". SO_REUSEADDR mainly changes the way how wildcard addresses ("any IP address") are treated when searching for conflicts.
Without SO_REUSEADDR, binding socketA to 0.0.0.0:21 and then binding socketB to 192.1...
What does Html.HiddenFor do?
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@Craig - You're right. I actually though I changed that wording but apparently not.
– Justin Niessner
Oct 6 '10 at 12:33
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