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Authoritative position of duplicate HTTP GET query keys

...pproaches include: first-given, last-given, array-of-all, string-join-with-comma-of-all. Suppose the raw request is: GET /blog/posts?tag=ruby&tag=rails HTTP/1.1 Host: example.com Then there are various options for what request.query['tag'] should yield, depending on the language or the frame...
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onIabPurchaseFinished never called.

...irst app, and have been using the android.test.purchased sku. The purchase come through, and I manage to get the SKU into my inventory, but, as the title says, onIabPurchaseFinished, is never called. ...
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what is the preferred way to mutate a React state?

...tate will have you fall foul of update batching issues. See stackoverflow.com/a/41445812/1998186 which links to a jsfiddle showing the problem you'll get. – NealeU Jan 3 '17 at 14:59 ...
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How to Vertical align elements in a div?

... css-tricks.com/centering-css-complete-guide <-- some good options presented here, have found myself resorting to the table/table-cell solution most of the time though – shaunhusain Feb 21 '16 at...
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Test if string is a guid without throwing exceptions?

...e-Screen: 10,000 good: 637,633 ticks 10,000 bad: 717,894 ticks COM Interop CLSIDFromString 10,000 good: 126,120 ticks 10,000 bad: 23,134 ticks COM Intertop (Fastest) Answer: /// <summary> /// Attempts to convert a string to a guid. /// </summary> /// <param ...
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JavaScript post request like a form submit

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CSS @font-face - what does “src: local('☺')” mean?

...t from his blog post: And.. regarding @font-face syntax I now recommend the bulletproof smiley variation over the original bulletproof syntax. @font-face { font-family: 'Graublau Web'; src: url('GraublauWeb.eot'); src: local('☺'), url('GraublauWeb.woff') format('woff'), ur...
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Can you center a Button in RelativeLayout?

...it works for me: <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:background="#ff0000"> <Button android:id="@+id/btn_mybutto...
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How to set the font style to bold, italic and underlined in an Android TextView?

...lditalic". There is no mention of underline here: http://developer.android.com/reference/android/widget/TextView.html#attr_android:textStyle Mind you that to use the mentioned bolditalic you need to, and I quote from that page Must be one or more (separated by '|') of the following constant val...
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How can I check if a background image is loaded?

... javascript:void($('<img/>').attr('src', 'http://farm6.static.flickr.com/5049/5220175127_5693faf952.jpg').load(function() { $('html').css('background-image', 'url(http://farm6.static.flickr.com/5049/5220175127_5693faf952.jpg)'); })) and check HTTP requests in Firebug. If I have opened flicker ...