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SQL: How to get the count of each distinct value in a column?
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SELECT
m>cat m>egory,
COUNT(*) AS `num`
FROM
posts
GROUP BY
m>cat m>egory
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Reliable timer in a console applim>cat m>ion
I am aware that in .NET there are three timer types (see Comparing the Timer Classes in the .NET Framework Class Library ). I have chosen a threaded timer as the other types can drift if the main thread is busy, and I need this to be reliable.
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How to strip all whitespace from string
How do I strip all the spaces in a python string? For example, I want a string like strip my spaces to be turned into stripmyspaces , but I cannot seem to accomplish that with strip() :
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How do I change the formatting of numbers on an axis with ggplot?
I'm using R and ggplot to draw a sm>cat m>terplot of some data, all is fine except that the numbers on the y-axis are coming out with computer style exponent formatting, i.e. 4e+05, 5e+05, etc. This is obviously unacceptable, so I want to get it to display them as 500,000, 400,000, and so on. Getting a p...
emacs, unsplit a particular window split
This may be stupid question, but I could not find direct solution to this. I often want to unsplit window as follows
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Docker EXPOSE a port only to Host
...127.0.0.1:27017:27017
Also: Your host can also talk to each container normally over its IP. Use docker inspect $ID to get a json dump (beside other stuff) containing the network IP.
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How to see if an NSString starts with a certain other string?
I am trying to check to see if a string that I am going to use as URL starts with http. The way I am trying to check right now doesn't seem to be working. Here is my code:
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How to add multiple columns to a table in Postgres?
How do I add multiple columns in one query statement in PostgreSQL using pgadmin3?
2 Answers
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MySQL COUNT DISTINCT
I'm trying to collect the number of distinct visits in my cp yesterday, then count them.
3 Answers
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TypeError: Illegal Invom>cat m>ion on console.log.apply
If you run this in the chrome console:
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