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PostgreSQL: How to change PostgreSQL user password?
How do I change the password for PostgreSQL user?
17 Answers
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What is a good regular expression to match a URL? [duplicate]
Currently I have an input box which will detect the URL and parse the data.
6 Answers
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How can I export the schema of a database in PostgreSQL?
My computer broke down but fortunately I backed up
the folder C:\Program Files\PostgreSQL.
8 Answers
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Understanding Apache's access log
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You seem to be using the combined log format.
LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-agent}i\"" combined
%h is the remote host (ie the client IP)
%l is the identity of the user determined by ide...
What is the difference between print and puts?
For example in this line of code I wrote, print and puts produce different results.
6 Answers
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Will docker container auto sync time with the host machine?
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If you are on OSX running boot2docker, see this issue: https://github.com/boot2docker/boot2docker/issues/290
Time synch becomes an issue because the boot2docker host has its time drift while your OS is asleep. Time synch with you...
How I can I lazily read multiple JSON values from a file/stream in Python?
I'd like to read multiple JSON objects from a file/stream in Python, one at a time. Unfortunately json.load() just .read() s until end-of-file; there doesn't seem to be any way to use it to read a single object or to lazily iterate over the objects.
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When to use reinterpret_cast?
I am little confused with the applicability of reinterpret_cast vs static_cast . From what I have read the general rules are to use static cast when the types can be interpreted at compile time hence the word static . This is the cast the C++ compiler uses internally for implicit casts also.
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Extract first item of each sublist
I am wondering what is the best way to extract the first item of each sublist in a list of lists and append it to a new list. So if I have:
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Margin while printing html page
I am using a separate style-sheet for printing. Is it possible to set right and left margin in the style-sheet which set the print margin (i.e. margin on paper).
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