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Oracle SQL Developer multiple table views
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SQL Developer can start a new tab every time you select a database object to view; but, you will have to close the tab manually.
Set this in:
Tools->Preferences->Database->ObjectViewer->Automatically Freeze Object Viewer Windows
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SQL: How to get the count of each distinct value in a column?
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SELECT
category,
COUNT(*) AS `num`
FROM
posts
GROUP BY
category
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Reliable timer in a console application
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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Disabling the fullscreen editing view for soft keyboard input in landscape?
...he keyboard see http://developer.android.com/guide/topics/ui/controls/text.html
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OS specific instructions in CMAKE: How to?
... of the opening if command. Source: cmake.org/cmake/help/latest/command/if.html
– Zyl
Jun 25 at 13:33
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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
2 Answ...
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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Visual Studio keyboard shortcut to automatically add the needed 'using' statement
... is the keyboard shortcut to expand the little red line that gives you the menu where you can choose to have the necessary using statement added to the top of the file?
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How to convert a string to lower or upper case in Ruby
...rcase letters.
"string".downcase
https://ruby-doc.org/core-2.1.0/String.html#method-i-downcase
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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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