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Getting attribute using XPath

...e), for the first element? Use: /*/book[1]/title/@lang This means: Select the lang attribute of the title element that is a child of the first book child of the top element of the XML document. To get just the string value of this attribute use the standard XPath function string(): string(...
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Postgres: Distinct but only for one column

...h names (having more than 1 mio. rows), but I have also many duplicates. I select 3 fields: id , name , metadata . 3 Ans...
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What is the benefit of zerofill in MySQL?

... When you select a column with type ZEROFILL it pads the displayed value of the field with zeros up to the display width specified in the column definition. Values longer than the display width are not truncated. Note that usage of ZER...
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Restore LogCat window within Android Studio

...e bottom). Use the "gear" at the extreme top right of the log cat section; select floating mode. Confusingly it then "appears to be docked" still ... just grab the bar and move it around. (If you're used to Mac, it's a little confusing.) (Android Studio is awesome on Mac eh??) ...
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Which version of C# am I using

...ht. One reason is that Visual Studio allows multi-targetting (i.e. you can select the .NET Target Framework version in the project properties), the other reason is that newer Roslyn versions need to be added via NUGET to your project. Third, as I wrote here, csc.exe is limited to version 5.0 and can...
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Code formatting shortcuts in Android Studio for Operation Systems

...System Settings → Keyboard → Shortcuts tab → System → Lock Screen. Select the row New Accelerator..., then press any special key with the Alpha key (e.g. Shift + L). You should've successfully changed the keyboard shortcut. Check if the keyboard shortcut now works in Android Studio. Altern...
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How do I bind to list of checkbox values with AngularJS?

...repeat="fruitName in fruits"> <input type="checkbox" name="selectedFruits[]" value="{{fruitName}}" ng-checked="selection.indexOf(fruitName) > -1" ng-click="toggleSelection(fruitName)" > {{fruitName}} </label> And the appropriate controller code would be: ...
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In SQL, what's the difference between count(column) and count(*)?

...a values(null,1) insert #bla values(1,null) insert #bla values(null,null) select count(*),count(id),count(id2) from #bla results 7 3 2 share | improve this answer | fo...
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How do I select the parent form based on which submit button is clicked?

... You can select the form like this: $("#submit").click(function(){ var form = $(this).parents('form:first'); ... }); However, it is generally better to attach the event to the submit event of the form itself, as it will tri...
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How do you copy and paste into Git Bash

... With QuickEdit on this becomes pretty easy: select, Enter, Insert – gphilip Feb 10 '14 at 8:49 3 ...