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Group query results by month and year in postgresql

...m("Sales") as "Sales" : The SUM() function adds up all the "Sales" values, and supplies a case-sensitive alias, with the case sensitivity maintained by using double-quotes. group by 1,2 : The GROUP BY function must contain all columns from the SELECT list that are not part of the aggregate (aka, al...
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Can promises have multiple arguments to onFulfilled?

I'm following the spec here and I'm not sure whether it allows onFulfilled to be called with multiple arguments. For example: ...
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Merge up to a specific commit

...med newbranch from the master branch in git. Now I have done some work and want to merge newbranch to master ; however, I have made some extra changes to newbranch and I want to merge newbranch up to the fourth-from-the-last commit to master . ...
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How do I disable right click on my web page?

...at with JavaScript by adding an event listener for the "contextmenu" event and calling the preventDefault() method: document.addEventListener('contextmenu', event => event.preventDefault()); That being said: DON'T DO IT. Why? Because it achieves nothing other than annoying users. Also many br...
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What exactly is Python multiprocessing Module's .join() Method Doing?

Learning about Python Multiprocessing (from a PMOTW article ) and would love some clarification on what exactly the join() method is doing. ...
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Initialize a byte array to a certain value, other than the default null? [duplicate]

... { 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20 }; For larger arrays use a standard for loop. This is the most readable and efficient way to do it: var sevenThousandItems = new byte[7000]; for (int i = 0; i < sevenThousandItems.Length; i++) { sevenThousandItems[i] = 0x20; } Of course, if you...
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Why do we use arrays instead of other data structures?

...gured the added "features" in programming languages had improved upon this and by that replaced them. I see now that they aren't replaced but rather given new life, so to speak. ...
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Html.ActionLink as a button or an image, not a link

... Late response but you could just keep it simple and apply a CSS class to the htmlAttributes object. <%= Html.ActionLink("Button Name", "Index", null, new { @class="classname" }) %> and then create a class in your stylesheet a.classname { background: url(../Im...
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Debugging doesn't start [closed]

... I had the same problem and all the tricks didnt do it until I unchecked the "Enable the Visual Studio hosting process" under the debug tab in the project properties share ...
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C++ obtaining milliseconds time on Linux — clock() doesn't seem to work properly

...unds it to the nearest 1000 so the precision is only to the "second" level and not to the milliseconds level. 16 Answers ...