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How to get multiple counts with one SQL query?

... You can use a CASE statement with an aggregate function. This is basically the same thing as a PIVOT function in some RDBMS: SELECT distributor_id, count(*) AS total, sum(case when level = 'exec' then 1 else 0 end) AS ExecCount, sum(case when level = 'personal' then 1 else 0 end) A...
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Why do people still use primitive types in Java?

..., meaning this could run on a system where the nearest 1024 are cached and all of them return true... #awkward share | improve this answer | follow | ...
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Difference between encoding and encryption

...ion of how text should be transformed into bytes. Similarly, HTTP does not allow all characters to be transmitted safely, so it may be necessary to encode data using base64 (uses only letters, numbers and two safe characters). When encoding or decoding, the emphasis is placed on everyone having the...
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JQuery - $ is not defined

...ge is fully loaded, and as such, before jQuery is fully loaded. First of all, ensure, what script is call properly, it should looks like <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js" type="text/javascript"></script> and shouldn't have attributes async...
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Resize image proportionally with CSS? [duplicate]

Is there a way to resize (scale down) images proportionally using ONLY CSS? 18 Answers ...
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pandas: filter rows of DataFrame with operator chaining

... That is a really nice solution - I wasn't even aware that you could jury-rig methods like that in python. A function like this would be really nice to have in Pandas itself. – naught101 Mar 3 '17 at...
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How do I erase an element from std::vector by index?

... Thank you to all who have answered. What are we to think of a class design when such a simple operation as deleting an element, requires one to come to StackOverflow? – Pierre Jan 28 '18 at 18:35 ...
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How do I force my .NET application to run as administrator?

Once my program is installed on a client machine, how do I force my program to run as an administrator on Windows 7? 12 An...
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How to draw vertical lines on a given plot in matplotlib?

... Calling axvline in a loop, as others have suggested, works, but can be inconvenient because Each line is a separate plot object, which causes things to be very slow when you have many lines. When you create the legend each li...
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Is there a way to make AngularJS load partials in the beginning and not at when needed?

...cs.angularjs.org/api/ng.directive:script) to put your partials in the initially loaded HTML You could also fill in $templateCache (http://docs.angularjs.org/api/ng.$templateCache) from JavaScript if needed (possibly based on result of $http call) If you would like to use method (2) to fill in $tem...