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Bash script prints “Command Not Found” on empty lines
...Try running:
dos2unix script.sh
That wil convert line endings, etc from Windows to unix format. i.e. it strips \r (CR) from line endings to change them from \r\n (CR+LF) to \n (LF).
More details about the dos2unix command (man page)
Another way to tell if your file is in dos/Win format:
cat...
Is there a way to include commas in CSV columns without breaking the formatting?
...ncoded as "", and the whole field will become """". So if you see the following in e.g. Excel:
---------------------------------------
| regular_value |,,,"| ,"", |""" |"|
---------------------------------------
the CSV file will contain:
regular_value,",,,""",","""",","""""""",""""
A comma...
Remove multiple keys from Map in efficient way?
...key values pairs. Now I want to remove selected keys from that Map . Following code shows what I did to achieve that.
3 An...
Join vs. sub-query
...version-specific and query-specific.
Historically, explicit joins usually win, hence the established wisdom that joins are better, but optimisers are getting better all the time, and so I prefer to write queries first in a logically coherent way, and then restructure if performance constraints warr...
Hosting Git Repository in Windows
Is there currently a way to host a shared Git repository in Windows? I understand that you can configure the Git service in Linux with:
...
Invalid date format specification in gemspec
I am getting the following error when I try to use gems in windows, and I also referred to
this stackoverflow post and updated rubygems and rails. But nothing could solve the problem.
...
Hash String via SHA-256 in Java
... this version has a bug (at least as of today and with java8@win7). try to hash '1234'. the result must start with '03ac67...' but it actually starts with '3ac67...'
– Chris
Sep 4 '14 at 9:31
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How to export/import PuTTy sessions list?
...
Second Command worked for me on Windows 7, however, I needed to run CMD as administrator.
– The Humble Rat
Oct 16 '15 at 7:36
...
Node / Express: EADDRINUSE, Address already in use - Kill server
...ing on this port, once you have the PID you can terminate it with the following:
kill -9 {PID}
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What is managed or unmanaged code in programming?
... needs to call into unmanaged code (for example, native code APIs, such as Win32). Because this means going outside the security perimeter for managed code, due caution is required.
Here is some other complimentary explication about Managed code:
Code that is executed by the CLR.
Code that targe...