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What is a “batch”, and why is GO used?

...umn does not exist. GO is used by the SQL tools to work this out from one script: it is not a SQL keyword and is not recognised by the engine. These are 2 concrete examples of day to day usage of batches. Edit: In your example, you don't need GO... Edit 2, example. You can't drop, create and per...
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Encrypt & Decrypt using PyCrypto AES 256

...rt Random from Crypto.Cipher import AES class AESCipher(object): def __init__(self, key): self.bs = AES.block_size self.key = hashlib.sha256(key.encode()).digest() def encrypt(self, raw): raw = self._pad(raw) iv = Random.new().read(AES.block_size) ...
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How do I write unit tests in PHP? [closed]

... might need to adjust path if not in the same dir $bar = 'Hello World'; var_dump(foo($bar)); ?> --EXPECT-- string(11) "Hello World" In a nutshell, we provide the parameter $bar with value "Hello World" and we var_dump() the response of the function call to foo(). To run this test, use: pear ru...
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Regex not operator

...: lookahead) this doesn't (hence: negative) match this. But it doesn't actually consume the characters it matches (hence: zero-width). There are actually 4 combinations of lookarounds with 2 axes: lookbehind / lookahead : specifies if the characters before or after the point are considered positi...
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How to make a Java Generic method static?

...urn value always introduce (declare) a new generic type variable. Additionally, type variables between types (ArrayUtils) and static methods (appendToArray) never interfere with each other. So, what does this mean: In my answer <E> would hide the E from ArrayUtils<E> if the method woul...
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Facebook Architecture [closed]

...oss many servers. HipHop for PHP - It is a source code transformer for PHP script code and was created to save server resources. HipHop transforms PHP source code into optimized C++. After doing this, it uses g++ to compile it to machine code. If we go into more detail, then answer to this questio...
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ActiveModel::ForbiddenAttributesError when creating new user

...mit(:what, :ever) end Update: Here's a continuation project for CanCan called CanCanCan, which looks promising: CanCanCan share | improve this answer | follow ...
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Intro to GPU programming [closed]

Everyone has this huge massively parallelized supercomputer on their desktop in the form of a graphics card GPU. 9 Answers ...
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How can I convince IE to simply display application/json rather than offer to download it?

...lace. This won't affect any application/json documents downloaded via <script> tags, or via XHR, and so on. The CLSID and Encoding keys get the same values used for image/gif, image/jpeg, and text/html. This hint came from this site, and from Microsoft's article Handling MIME Types in In...
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How to 'git pull' into a branch that is not the current one?

...put it back. The 'minutes long' comes from my typing speed. (Yes I could script it but it was just to make a point that having git do everything itself is faster.) – Malvineous Sep 26 '13 at 8:38 ...