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Link to “pin it” on pinterest without generating a button

... or hundreds of posts, each one with social buttons. I just can't generate all the buttons for each url: it is too slow (facebook, g+, twitter, pinterest... for hundreds of links). So, instead of the facebook share button to be generated on the fly, I use a simple img pointing to ...
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What is the difference between `let` and `var` in swift?

... C and C++ allows Unicode identifiers as well, via UCNs. If the compiler supports any Unicode source encoding then you can just use the Unicode characters directly. For example auto ???????? = "dogcow"; works in C++ for clang. ...
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“register” keyword in C?

... a processor register if possible. Most modern compilers do that automatically, and are better at picking them than us humans. share | improve this answer | follow ...
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Does Python have an ordered set?

... I'm pretty sure you're not allowed to have two methods both called union in the same class. The last one will "win" and the first one will fail to exist at runtime. This is because OrderedSet.union (no parens) has to refer to a single object. ...
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Why am I getting this error: No mapping specified for the following EntitySet/AssociationSet - Entit

...s library. Shouldn't it be a warning or something? To prevent this error, All you have to do after inserting a new entity is to Generate Database From Model again. That will update the SSDL and fix the mappings. EDIT If you are not using model-first and you "update from database", you will also h...
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How to create P12 certificate for iOS distribution

...rom your hard drive Click Generate Click Download to get the file C. Install .cer and generate .p12 certificate Find .cer file you’ve downloaded and double-click Set Login drop-down to “login" and Click Add Open up KeyChain Access and you'll find profile created in Step A You can expand “p...
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What is the difference between an expression and a statement in Python?

...s, where operators include arithmetic and boolean operators, the function call operator () the subscription operator [] and similar, and can be reduced to some kind of "value", which can be any Python object. Examples: 3 + 5 map(lambda x: x*x, range(10)) [a.x for a in some_iterable] yield 7 Stat...
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CORS Access-Control-Allow-Headers wildcard being ignored?

... Support for wildcards in the Access-Control-Allow-Headers header was added to the living standard only in May 2016, so it may not be supported by all browsers. On browser which don't implement this yet, it must be an exact match: https://www.w3.org/TR/2014/REC-cors-201...
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Why are Python lambdas useful? [closed]

...ut lambda functions? Like lambda x: x**2 + 2*x - 5 Those things are actually quite useful. Python supports a style of programming called functional programming where you can pass functions to other functions to do stuff. Example: mult3 = filter(lambda x: x % 3 == 0, [1, 2, 3, 4, 5, 6, 7, 8, 9])...
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Apache is downloading php files instead of displaying them

...rom a web hosting server. It was forcing a version of PHP that was not installed on my local machine. Thus the virtual host wasn't executing the PHP file properly. – BrightIntelDusk Oct 10 '14 at 16:59 ...