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How to load local script files as fallback in cases where CDN are blocked/unavailable? [duplicate]

... you can check for existence any variable/function this script defines, if it is undefined - then cdn failed and you need to load local script copy. On this principle are based solutions like that: <script src="//ajax.googleapis.com/ajax/libs/jquery/1.5.1/jquery.min.js"></script> <s...
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setTimeout in for-loop does not print consecutive values [duplicate]

...e same variable "i". When the loop is finished, what's the value of "i"? It's 3! By using an intermediating function, a copy of the value of the variable is made. Since the timeout handler is created in the context of that copy, it has its own private "i" to use. edit — there have been a coup...
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What is the easiest way to disable/enable buttons and links (jQuery + Bootstrap)

...is a button property which is handled by the browser: <input type="submit" class="btn" value="My Input Submit" disabled/> <input type="button" class="btn" value="My Input Button" disabled/> <button class="btn" disabled>My Button</button> To disable these with a custom jQue...
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Xcode Project vs. Xcode Workspace - Differences

... I think there are three key items you need to understand regarding project structure: Targets, projects, and workspaces. Targets specify in detail how a product/binary (i.e., an application or library) is built. They include build settings, such as comp...
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What are bitwise shift (bit-shift) operators and how do they work?

... The bit shifting operators do exactly what their name implies. They shift bits. Here's a brief (or not-so-brief) introduction to the different shift operators. The Operators >> is the arithmetic (or signed) right shift o...
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The apk must be signed with the same certificates as the previous version

I had uploaded my app to Google Play (back when it was called Android Market) some time ago. 11 Answers ...
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Handle Guzzle exception and get HTTP body

...iate exception type (ClientErrorResponseException for 4xx errors) and call its getResponse() method to get the response object, then call getBody() on that: use Guzzle\Http\Exception\ClientErrorResponseException; ... try { $response = $request->send(); } catch (ClientErrorResponseException...
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Easy way to concatenate two byte arrays

... The most elegant way to do this is with a ByteArrayOutputStream. byte a[]; byte b[]; ByteArrayOutputStream outputStream = new ByteArrayOutputStream( ); outputStream.write( a ); outputStream.write( b ); byte c[] = outputStream.toByteArray( ); ...
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Pandas: Setting no. of max rows

...orarily for this one time like this: from IPython.display import display with pd.option_context('display.max_rows', 100, 'display.max_columns', 10): display(df) #need display to show the dataframe when using with in jupyter #some pandas stuff You can also reset an option back to its defau...
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How can I indent multiple lines in Xcode?

When I select multiple lines of code and want to indent them as usual with TAB key, it just deletes them all. I come from Eclipse where I always did it that way. How's that done in Xcode? I hope not line by line ;) ...