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Confused by python file mode “w+”
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edited Nov 10 '17 at 23:10
answered Apr 25 '13 at 10:30
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Python module os.chmod(file, 664) does not change the permission to rw-rw-r— but -w--wx----
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Note, for Python 3 you have prefix with 0o (zero oh).
– Mawg says reinstate Monica
Feb 4 '15 at 13:0...
How to use C++ in Go
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answered Nov 12 '09 at 10:12
Scott WalesScott Wales
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SQL Server - copy stored procedures from one db to another
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10 Answers
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How can I check if character in a string is a letter? (Python)
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AMC
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answered Mar 21 '13 at 21:24
rainerrainer
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Why java.util.Optional is not Serializable, how to serialize the object with such fields
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Stuart MarksStuart Marks
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How to construct a std::string from a std::vector?
Short of (the obvious) building a C style string first then using that to create a std::string, is there a quicker/alternative/"better" way to initialize a string from a vector of chars?
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Avoid line break between html elements
...rdingly.
– Ratatwisker
Jul 9 '15 at 10:13
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@JukkaK.Korpela, HTML5 is now finalized and, very uns...
Docker build “Could not resolve 'archive.ubuntu.com'” apt-get fails to install anything
...ver addresses:
$ nmcli dev show | grep 'IP4.DNS'
IP4.DNS[1]: 10.0.0.2
IP4.DNS[2]: 10.0.0.3
Using these addresses, create a file /etc/docker/daemon.json:
$ sudo su root
# cd /etc/docker
# touch daemon.json
Put this in /etc/docker/daemon.json:
{ ...
PostgreSQL: Difference between text and varchar (character varying)
...array).
Check this article from Depesz: http://www.depesz.com/index.php/2010/03/02/charx-vs-varcharx-vs-varchar-vs-text/
A couple of highlights:
To sum it all up:
char(n) – takes too much space when dealing with values shorter than n (pads them to n), and can lead to subtle errors be...