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MySQL Error 1093 - Can't specify target table for update in FROM clause

I have a table story_category in my database with corrupt entries. The next query returns the corrupt entries: 16 Answers...
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Concatenate a vector of strings/character

If I have a vector of type character, how can I concatenate the values into string? Here's how I would do it with paste() : ...
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Download File Using Javascript/jQuery

...he server to set the file's MIME Type to a nonsensical value, such as application/x-please-download-me or alternatively application/octet-stream, which is used for arbitrary binary data. If you only want to open it in a new tab, the only way to do this is for the user to a click on a link with its ...
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How do I import .sql files into SQLite 3?

... From a sqlite prompt: sqlite> .read db.sql Or: cat db.sql | sqlite3 database.db Also, your SQL is invalid - you need ; on the end of your statements: create table server(name varchar(50),ipaddress varchar(15),id init); create table client(name varchar(50),ipaddress var...
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Ansible: Set variable to file content

... Note that lookup runs locally, while the cat command in @TesterJeff's example is running on the remote machine. – Alex Dupuy Jun 5 '14 at 22:13 8 ...
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Writing a dict to txt file and reading it back?

...gt; json.dump(d, open("text.txt",'w')) This code dumps to a text file $ cat text.txt {"two": 2, "one": 1} Also you can load from a JSON file: >>> d2 = json.load(open("text.txt")) >>> print d2 {u'two': 2, u'one': 1} ...
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Worth switching to zsh for casual use? [closed]

...ch a particular pattern. Bash doesn't do that by default; you'd find or locate to search recursively. But once you're letting another program do the searching, you lose the boundaries between names (unless you're careful) as well as access to the shell's internal globbing abilities, and basically ...
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Bash function to find newest file matching pattern

...n does not say that the filenames are version numbers. This is about modification times. Even with the filename assumption b2.10_5_2 kills this solution. – Eponymous Dec 1 '16 at 22:38 ...
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How to “git clone” including submodules?

...to avoid filesystem lookups for each object. Similar logic can be found in cat-file, pack-objects and more. This change reduces the time for git fetch(man) in my repo from 25s to 6s. Original answer 2010 As joschi mentions in the comments, git submodule now supports the --recursive option (Git1.6....
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Using semicolon (;) vs plus (+) with exec in find

...ind . -name 'test*' -exec echo {} \; ./test.c ./test.cpp ./test.new ./test.php ./test.py ./test.sh With a plus, the command echo is called once only. Every file found is passed in as an argument. $ find . -name 'test*' -exec echo {} \+ ./test.c ./test.cpp ./test.new ./test.php ./test.py ./test.s...