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How to create streams from string in Node.Js?
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From node 10.17, stream.Readable have a from method to easily create streams from any iterable (which includes array literals):
const { Readable } = require("stream")
const readable = Readable.from(["input string"])
readable.on("data", (chunk) =&...
How do I execute any command editing its file (argument) “in place” using bash?
...txt
Specifically, the documentation of GNU sort says:
Normally, sort reads all input before opening output-file, so you can safely sort a file in place by using commands like sort -o F F and cat F | sort -o F. However, sort with --merge (-m) can open the output file before reading all input, s...
Most efficient way to check for DBNull and then assign to a variable?
...sks again what OP wants to avoid. By writing row.IsNull(columnName) you're reading it once already and reading it again. Not saying that will make a difference, but theoretically it can be less efficient..
– nawfal
Feb 6 '13 at 16:31
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Portable way to get file size (in bytes) in shell?
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If I'm not mistaken, though, wc in a pipeline must read() the entire stream to count the bytes. The ls/awk solutions (and similar) use a system call to get the size, which should be linear time (versus O(size))
– jmtd
May 7 '11 at 16:40...
How to specify a multi-line shell variable?
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Use read with a heredoc as shown below:
read -d '' sql << EOF
select c1, c2 from foo
where c1='something'
EOF
echo "$sql"
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Storing Python dictionaries
...e third argument to pickle.dump, too. If the file doesn't need to be human-readable then it can speed things up a lot.
– Steve Jessop
Aug 18 '11 at 0:11
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Is it possible to change icons in Visual Studio 2012?
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Look at this thread:
Solution Explorer - custom icons for my folders
I think it's also applicable for vs2012
If not -> you can manually find solution explorer's icon resources with ResHack (or Resource Hacker) and simply replace it!
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MongoDB and “joins” [duplicate]
... as if they were a single table (you "join two tables into one").
You can read more about DBRef here:
http://docs.mongodb.org/manual/applications/database-references/
There are two possible solutions for resolving references. One is to do it manually, as you have almost described. Just save a docu...
Bash variable scope
...and while are in same subshell):
#!/bin/bash
cat /tmp/randomFile | (while read line
do
LINE="$LINE $line"
done && echo $LINE )
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fol...
Should I use int or Int32
In C#, int and Int32 are the same thing, but I've read a number of times that int is preferred over Int32 with no reason given. Is there a reason, and should I care?
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