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How to select all records from one table that do not exist in another table?
...e = t1.name
WHERE t2.name IS NULL
Q: What is happening here?
A: Conceptually, we select all rows from table1 and for each row we attempt to find a row in table2 with the same value for the name column. If there is no such row, we just leave the table2 portion of our result empty for that row. The...
How can I show the name of branches in `git log`?
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Try the decorate option.
git log --graph --all --decorate
It annotates commits which are pointed to by tags or branches.
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Select all columns except one in MySQL?
I'm trying to use a select statement to get all of the columns from a certain MySQL table except one. Is there a simple way to do this?
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Why not use exceptions as regular flow of control?
To avoid all standard-answers I could have Googled on, I will provide an example you all can attack at will.
24 Answers
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How to find common elements from multiple vectors?
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@GioraSimchoni how could you get c(1,1,3), if that is really what you want?
– StatsSorceress
Aug 25 '18 at 18:01
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How to search in all the files of a project in IntelliJ Idea? [duplicate]
I'd like to find all occurrences of a particular string in all the code files of a project of mine. Search/replace panels popping up on Ctrl + F / Ctrl + R don't seem to offer to chose the search domain. Is there such a facility available in IntelliJ Idea?
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How to grep a string in a directory and all its subdirectories? [duplicate]
How to grep a string or a text in a directory and all its subdirectories'files in LINUX ??
2 Answers
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Recursively look for files with a specific extension
I'm trying to find all files with a specific extension in a directory and its subdirectories with my bash (Latest Ubuntu LTS Release).
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Metadata file '.dll' could not be found
...idn't solve issue so I've had to do next steps: - clean solution - uncheck all build checkboxes - restart VS - check all build checkboxes - build solution
– frankie
Apr 8 '14 at 9:54
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Why are quaternions used for rotations?
... multiplication is much faster than 3x3 matrix multiplication).
Note that all of these representations of rotations are used in practice. Euler angles use the least memory; matrices use more memory but don't suffer from Gimbal lock and have nice analytical properties; and quaternions strike a nice ...