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SQL: How to get the count of each distinct value in a column?

... SELECT category, COUNT(*) AS `num` FROM posts GROUP BY category share | improve this answer | ...
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Do checkbox inputs only post data if they're checked?

... Workaround: use <select>with two options on and off :-) – andy May 23 '18 at 9:26 add a comment ...
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How to debug PDO database queries?

...gt;setAttribute( PDO::ATTR_ERRMODE, PDO::ERRMODE_WARNING ); $db->query('SELECT *******'); share | improve this answer | follow | ...
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django: BooleanField, how to set the default value to true?

...ou want to dynamically choose at runtime whether or not your field will be selected by default, you can use the initial parameter to the form when you initialize it: form = MyForm(initial={'my_field':True}) share ...
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VS2010 and IE10 Attaching the Script debugger to process iexplore.exe failed

... Why this was not selected as answer? Worked for me (IE10, VS2010, WIN 7 64bit). – TheVillageIdiot Mar 28 '13 at 3:18 1 ...
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Remove padding or margins from Google Charts

...It looks like they documented it Oct. 2, 2015, here: archive.is/lwbQY#selection-2997.0-3011.1 – Dave Burton Mar 31 '16 at 22:06 add a comment  |  ...
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Get TransactionScope to work with async / await

...y project from 4.5 to 4.5.1 by right clicking on project go to properties. Select application tab change target framework to 4.5.1 and use transaction as follow. using (AccountServiceClient client = new AccountServiceClient()) using (TransactionScope scope = new TransactionScope(TransactionScopeAsy...
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How to fully clean bin and obj folders within Visual Studio?

...rking rig that can be used from VS command prompt) - the settings lets you select a shell arrangement (from which I choose PoshGit). Using WSL is the most educational, so good call! – Ruben Bartelink Apr 22 '18 at 22:38 ...
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How to change the commit author for one specific commit?

...b: git push --force --tags origin 'refs/heads/*' OR if you like to push selected references of the branches then use git push --force --tags origin 'refs/heads/develop' share | improve this a...
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Find kth smallest element in a binary search tree in Optimum way

... tree, your algorithm will take O(n) time to finish, which is bad for the selected answer-O(log n) – Spark8006 Jul 2 '15 at 14:58 add a comment  |  ...