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COUNT DISTINCT with CONDITIONS

...count(distinct tag) as tag_count, count(distinct (case when entryId > 0 then tag end)) as positive_tag_count from your_table_name; The first count(distinct...) is easy. The second one, looks somewhat complex, is actually the same as the first one, except that you use case...when clause. In ...
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Push git commits & tags simultaneously

... Update August 2020 As mentioned originally in this answer by SoBeRich, and in my own answer, as of git 2.4.x git push --atomic origin <branch name> <tag> (Note: this actually work with HTTPS only with Git 2.24) Update May 2015 ...
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Getting random numbers in Java [duplicate]

I would like to get a random value between 1 to 50 in Java. 2 Answers 2 ...
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HTML5 Email Validation

... 120 In HTML5 you can do like this: <form> <input type="email" placeholder="Enter your emai...
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Dashed line border around UIView

... using pattern image like below example. [yourView.layer setBorderWidth:5.0]; [yourView.layer setBorderColor:[[UIColor colorWithPatternImage:[UIImage imageNamed:@"DotedImage.png"]] CGColor]];///just add image name and create image with dashed or doted drawing and add here Here you've to add <Q...
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Google Maps API v3: How do I dynamically change the marker icon?

... answered Dec 21 '09 at 17:01 Sudhir JonathanSudhir Jonathan 15.3k1111 gold badges5959 silver badges8585 bronze badges ...
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Bash, no-arguments warning, and case decisions

... if [[ $# -eq 0 ]] ; then echo 'some message' exit 0 fi case "$1" in 1) echo 'you gave 1' ;; *) echo 'you gave something else' ;; esac The Advanced Bash-Scripting Guide is pretty good. In spite of its name, it does treat...
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What does the star operator mean, in a function call?

...(a, b, c, d): return a + b + c + d values1 = (1, 2) values2 = { 'c': 10, 'd': 15 } s = sum(*values1, **values2) will execute as: s = sum(1, 2, c=10, d=15) Also see section 4.7.4 - Unpacking Argument Lists of the Python documentation. Additionally you...
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No module named setuptools

...aheer Ahmed 25.4k1111 gold badges6969 silver badges105105 bronze badges answered Mar 20 '14 at 17:09 ArvindArvind 2,14899 silver b...
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Using jQuery to compare two arrays of Javascript objects

... in the same order in each array. Each array shouldn't have any more than 10 objects. I thought jQuery might have an elegant solution to this problem, but I wasn't able to find much online. ...