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MySQL: Set user variable from result of query

...ut you need to move the variable assignment into the query: SET @user := 123456; SELECT @group := `group` FROM user WHERE user = @user; SELECT * FROM user WHERE `group` = @group; Test case: CREATE TABLE user (`user` int, `group` int); INSERT INTO user VALUES (123456, 5); INSERT INTO user VALUES ...
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Hidden Features of MySQL

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Purging file from Git repo failed, unable to create new backup

... 224 You have already performed a filter-branch operation. After filter-branch, Git keeps refs to t...
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Python TypeError: not enough arguments for format string

...version of Python supports it, you should write: instr = "'{0}', '{1}', '{2}', '{3}', '{4}', '{5}', '{6}'".format(softname, procversion, int(percent), exe, description, company, procurl) This also fixes the error that you happened to have. ...
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Can Eclipse refresh resources automatically?

Eclipse (3.4.2 with PyDev) deals with out-of-sync resources (files that have been edited outside of the IDE) differently from other IDEs that I've used, where only resources with editors open are considered out-of-sync. In Eclipse, any resource can go out of sync. ...
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How to access a dictionary element in a Django template?

...object: class Choice(models.Model): text = models.CharField(max_length=200) def calculateVotes(self): return Vote.objects.filter(choice=self).count() votes = property(calculateVotes) And then in your template, you can do: {% for choice in choices %} {{choice.choice}} - {{c...
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Segue to another storyboard?

... 202 +500 Yes, b...
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What's the meaning of exception code “EXC_I386_GPFLT”?

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string.split - by multiple character delimiter

... 271 To show both string.Split and Regex usage: string input = "abc][rfd][5][,][."; string[] parts...
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How to destroy a DOM element with jQuery?

... | edited Feb 11 at 17:22 BigRon 2,50433 gold badges1818 silver badges4545 bronze badges answered Sep...