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Differences between Exception and Error
...atError - Thrown when the annotation parser attempts to read an annotation from a class file and determines that the annotation is malformed.
AssertionError - Thrown to indicate that an assertion has failed.
LinkageError - Subclasses of LinkageError indicate that a class has some dependency on anoth...
Send a pull request on GitHub for only latest commit
...ut a logical one. When you want to do anything with upstream (like merging from there) you need to add a branch "real-upstream" or reset your upstream (leaving no local branch for your pull request for additional changes).
– JonnyJD
Aug 7 '13 at 7:01
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Good Haskell source to read and learn from [closed]
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What I recommend.
Read code by people from different grad schools in the 1990s
Oxford style
Glasgow style or (this)
Chalmers style (or this)
York style
Portland style or OGI style (or this)
Utrecht style
Yale style
Special case: CMU/Elliott
Read code by the o...
The necessity of hiding the salt for a hash
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The answer here is to ask yourself what you're really trying to protect from? If someone has access to your database, then they have access to the encrypted salts, and they probably have access to your code as well. With all that could they decrypt the encrypted salts? If so then the encryptio...
How to inherit from a class in javascript?
...sing constructor functions and their prototype property, but my old answer from 2010 is still at the bottom. I now prefer Object.create(). Object.create is available in all modern browsers.
I should note that Object.create is usually much slower than using new with a function constructor.
//The p...
How to make a JSONP request from Javascript without JQuery?
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Here's a JSBin that can be used to fiddle with JSONP from Wikipedia. It was referenced in this answer.
– rkagerer
Mar 8 '13 at 14:07
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deny direct access to a folder and file by htaccess
...der, you can put a .htaccess file in that folder that contains just:
deny from all
That way you cannot open any file from that folder, but you can include them in php without any problems.
share
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Trim last character from a string
...rim method.
Trim - Removes all occurrences of
white space characters from the
beginning and end of this instance.
MSDN-Trim
Under this definition removing only last character from string is bad solution.
So if we want to "Trim last character from string" we should do something like thi...
C++ templates that accept only certain types
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I suggest using Boost's static assert feature in concert with is_base_of from the Boost Type Traits library:
template<typename T>
class ObservableList {
BOOST_STATIC_ASSERT((is_base_of<List, T>::value)); //Yes, the double parentheses are needed, otherwise the comma will be seen as...
What does “coalgebra” mean in the context of programming?
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This lets us talk about algebras as a type τ with a single function from some mess of Eithers to a single τ. For monoids, this mess is: Either (τ, τ) (); for groups (which have an extra τ → τ operation), it's: Either (Either (τ, τ) τ) (). It's a different type for every different stru...