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psql: FATAL: database “” does not exist

...euser --interactive When prompted for role name, enter linux username, and select Yes to superuser question. Still logged in as postgres user, create a database: createdb <username_from_step_3> Confirm error(s) are gone by entering: psql at the command prompt. Output should show psql (x.x.x) T...
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How can I check if an element exists in the visible DOM?

...to the original question). That's as simple as using any of the browser's selecting method, and checking it for a truthy value (generally). For example, if my element had an id of "find-me", I could simply use... var elementExists = document.getElementById("find-me"); This is specified to eithe...
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how can I add the aidl file to Android studio (from the in-app billing example)

...te new directory under src/main called aidl Right click on directory aidl, select new->add package Enter Name of the package com.android.vending.billing Copy IInAppBillingService.aidl from the directory Android/Sdk/extras/google/play_billing to the directory App_name/app/src/main/aidl/com/androi...
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How to get visitor's location (i.e. country) using geolocation? [duplicate]

..., or you just want to test things out, signup for the free plan. Otherwise select one of the paid plans below. - ipinfo.io/pricing – pdeschen Oct 28 '17 at 21:10 ...
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How to make an introduction page with Doxygen

...e are multiple mainpage candidates, the first encountered while parsing is selected, or so it seems. – Lester Peabody Sep 3 '15 at 19:09 2 ...
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Is there a native jQuery function to switch elements?

... Yeah, this should work: The documentation says: "If an element selected this way is inserted elsewhere, it will be moved before the target (not cloned)". – Ridcully Jan 11 '12 at 15:55 ...
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jQuery get the location of an element relative to window

... This sounds more like you want a tooltip for the link selected. There are many jQuery tooltips, try out jQuery qTip. It has a lot of options and is easy to change the styles. Otherwise if you want to do this yourself you can use the jQuery .position(). More info about .posit...
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Integrating MySQL with Python in Windows

...e essentials version because it doesnt contain the C libraries. Be sure to select a custom install, and mark the development tools / libraries for installation as that is not done by default. This is needed to get the C header files. You can verify you have done this correctly by looking in your ins...
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Detect backspace in empty UITextField

...ss UITextField and implement canPerformAction:withSender: to return NO for select: and selectAll: actions when the text is equal to the string @"\u200B". – ma11hew28 Oct 19 '11 at 21:56 ...
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Xcode - But… Where are our archives?

... (menu Window > Organizer) Click on the Archives icon in the top middle Select the desired archive by app name and date Click Show in Finder in the context menu share | improve this answer ...