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How to make a node.js application run permanently?
...n the foreground. To avoid this behavior run the server in the background by appending & to your command:
node /srv/www/MyUserAccount/server/server.js &
The problem here is a lack of linux knowledge and not a question about node. For some more info check out: http://linuxconfig.org/und...
What is the difference between a symbolic link and a hard link?
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Underneath the file system, files are represented by inodes. (Or is it multiple inodes? Not sure.)
A file in the file system is basically a link to an inode.
A hard link, then, just creates another file with a link to the same underlying inode.
When you delete a file, it ...
“int main (vooid)”? How does that work?
...rogram and, in the process, I made a spelling mistake in the main function by accidentally using vooid instead of void .
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How to retrieve Request Payload
...es. Moreover, for those cases where
$HTTP_RAW_POST_DATA is not populated by default, it is a potentially
less memory intensive alternative to activating
always_populate_raw_post_data. php://input is not available with
enctype="multipart/form-data".
...
Get Folder Size from Windows Command Line
... off
set size=0
for /r %%x in (folder\*) do set /a size+=%%~zx
echo %size% Bytes
However, this has several problems because cmd is limited to 32-bit signed integer arithmetic. So it will get sizes above 2 GiB wrong1. Furthermore it will likely count symlinks and junctions multiple times so it's at ...
How to generate a number of most distinctive colors in R?
...m sample(col_vector,3). Alternatively, How to find all the hex codes given by brewer.pal function with their color names.
– Prradep
Jul 13 '17 at 15:34
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C# equivalent to Java's charAt()?
... use the charAt() method in Java get an individual character in a string by specifying its position. Is there an equivalent method in C#?
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how to get first three characters of an NSString?
...dCharacterSequenceAtIndex:2])];
substringToIndex of NSString is indexing by code unit, emoji takes two code units.
make sure check the index yourself.
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Opposite of %in%: exclude rows with values specified in a vector
A categorical variable V1 in a data frame D1 can have values represented by the letters from A to Z. I want to create a subset D2, which excludes some values, say, B, N and T. Basically, I want a command which is the opposite of %in%
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How to efficiently count the number of keys/properties of an object in JavaScript?
...is method would be removed or overridden you might get unexpected results. By calling it from Object.prototype it makes it little more robust. The reason for using call is because you want to invoke the method on obj instead of on the prototype.
– Renaat De Muynck
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