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How to resolve symbolic links in a shell script
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realpath is now (Jan 2012) part of coreutils and backwards compatible with the debian and BSD variant
– pixelbeat
Apr 16 '12 at 7:43
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How to evaluate a math expression given in string form?
...an(Math.toRadians(x));
else throw new RuntimeException("Unknown function: " + func);
} else {
throw new RuntimeException("Unexpected: " + (char)ch);
}
if (eat('^')) x = Math.pow(x, parseFactor()); // exponentiation
ret...
How do I put variables inside javascript strings?
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This is now (2017) the correct answer. Be aware that you will need Babel in your toolchain to support older browsers.
– superluminary
Sep 13 '17 at 8:17
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Why can't variable names start with numbers?
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It's a convention now, but it started out as a technical requirement.
In the old days, parsers of languages such as FORTRAN or BASIC did not require the uses of spaces. So, basically, the following are identical:
10 V1=100
20 PRINT V1
and
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Git Extensions: Win32 error 487: Couldn't reserve space for cygwin's heap, Win32 error 0
...ent! It turns out it has been fixed one way or another for quite some time now and the proper solution seems to be to use Git for Windows 2 built on MSYS2 (and thus more recent Cygwin code).
– Yirkha
Aug 18 '15 at 4:43
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Set every cell in matrix to 0 if that row or column contains a 0
...in the size of the matrix.
I use 1rst column and first row as markers to know where are rows/cols with only 1's. Then, there are 2 variables l and c to remember if 1rst row/column are all 1's also.
So the first pass sets the markers and resets the rest to 0's.
The second pass sets 1 in places wher...
CustomErrors mode=“Off”
...ile, so setting the above entry to:
<deployment retail="false" />
now means that I can once again see the detailed error messages that I need to.
The machine.config is located at
32-bit
%windir%\Microsoft.NET\Framework\[version]\config\machine.config
64-bit
%windir%\Microsoft.NET\Fram...
How to flatten nested objects with linq expression
...is code sample may answer the question, it lacks explanation. As it stands now, it adds no value, and stands the change of being downvoted / deleted. Please add some explanation what is does and why it is a solution for the problem of the OP.
– oɔɯǝɹ
Feb 2 ...
How do you install ssh-copy-id on a Mac?
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ssh-copy-id is installed on macOS by default now.
$ sw_vers
ProductName: Mac OS X
ProductVersion: 10.12.4
$ which ssh-copy-id
/usr/bin/ssh-copy-id
share
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improve...
Why does Popen.communicate() return b'hi\n' instead of 'hi'?
...rint()able, so you're being shown the repr of the bytes you have. If you know the encoding of the bytes you received from the subprocess, you can use decode() to convert them into a printable str:
>>> print(b'hi\n'.decode('ascii'))
hi
Of course, this specific example only works if you a...