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Is a url query parameter valid if it has no value?
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Valid to the URI RFC
Likely acceptable to your server-side framework/code
The URI RFC doesn't mandate a format for the query string. Although it is recognized that the query string will often carry name-value pairs, it is not required to (e.g. it will often contain another URI).
3.4...
How do I update Node.js?
... versions of node. Full source code is here.
There is a separate project for nvm for Windows: github.com/coreybutler/nvm-windows
Below are the full steps to use NVM for multiple version of node on windows
download nvm-setup.zip extract and install it.
execute command nvm list available from cmd...
Guid.NewGuid() vs. new Guid()
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@JonHanna All guids make great special values. Unfortunately, the empty ones have a tendancy to collide. I agree that empty guids are useful though, typically to indicate that something is uninitialized.
– MarkPflug
Aug 13 '12 at 16:27
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What is the purpose of the '@' symbol in CSS?
...question and I noticed the user is using some notation I've never seen before:
5 Answers
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Why is JsonRequestBehavior needed?
Why is Json Request Behavior needed?
5 Answers
5
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Open files in 'rt' and 'wt' modes
Several times here on SO I've seen people using rt and wt modes for reading and writing files.
4 Answers
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Root user/sudo equivalent in Cygwin?
...art --action=runas command
This will open a Windows dialogue box asking for the Admin password and run the command if the proper password is entered.
This is easily scripted, so long as ~/bin is in your path. Create a file ~/bin/sudo with the following content:
#!/usr/bin/bash
cygstart --action=...
Remove the last line from a file in Bash
...sed versions older than 3.95, so you have to use it as a filter with a temporary file:
cp foo.txt foo.txt.tmp
sed '$ d' foo.txt.tmp > foo.txt
rm -f foo.txt.tmp
Of course, in that case you could also use head -n -1 instead of sed.
MacOS:
On Mac OS X (as of 10.7.4), the equivalent of the sed -...
How to display nodejs raw Buffer data as Hex string
The following code uses SerialPort module to listen to data from a bluetooth connection.
2 Answers
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Can you turn off Peek Definition in Visual Studio 2013 and up?
...rl + Click. At first I thought this was cool, but I have found that the majority of the time, I need to click the Promote to Document button, since I make lots of changes to the files I Ctrl + Click on. But after Googling how to turn off Peek Definition, I can't find any details on if this is poss...