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How can prepared statements protect from SQL injection attacks?
...L query is a legitimate program.
And we are creating such a program dynamically, adding some data on the fly. Thus, the data may interfere with the program code and even alter it, as every SQL injection example shows it (all examples in PHP/Mysql):
$expected_data = 1;
$query = "SELECT * FROM users...
What is the point of noreturn?
...rn attribute is supposed to be used for functions that don't return to the caller. That doesn't mean void functions (which do return to the caller - they just don't return a value), but functions where the control flow will not return to the calling function after the function finishes (e.g. functio...
How do I make a textarea an ACE editor?
... function(){
textarea.val(editor.getSession().getValue());
});
or just call
textarea.val(editor.getSession().getValue());
only when you submit the form with the given textarea. I'm not sure whether this is the right way to use Ace, but it's the way it is used on GitHub.
...
Use of alloc init instead of new
... If your class uses -init as the designated initializer, +new will call it. What Jeremy is referring to is if you have a custom initializer that isn't -init. -initWithName:, for example.
– bbum
Sep 21 '09 at 15:48
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Hash function that produces short hashes?
...hm that's strong against intentional modification, I've found an algorithm called adler32 that produces pretty short (~8 character) results. Choose it from the dropdown here to try it out:
http://www.sha1-online.com/
share
...
Adding console.log to every function automatically
... there a way to make any function output a console.log statement when it's called by registering a global hook somewhere (that is, without modifying the actual function itself) or via some other means?
...
What is the documents directory (NSDocumentDirectory)?
...ILABLE(10_8, NA) = 23, // location of the user scripts folder for the calling application (~/Library/Application Scripts/code-signing-id)
NSItemReplacementDirectory NS_ENUM_AVAILABLE(10_6, 4_0) = 99, // For use with NSFileManager's URLForDirectory:inDomain:appropriateForURL:create:err...
Use of def, val, and var in scala
...our code:
def person = new Person("Kumar",12)
This defines a new method called person. You can call this method only without () because it is defined as parameterless method. For empty-paren method, you can call it with or without '()'. If you simply write:
person
then you are calling this met...
CMake link to external library
...ation. I think it would be better here to resolve the failing find_library call in the original question, or use @Andre's solution.
– Fraser
Mar 27 '13 at 23:41
4
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Does async(launch::async) in C++11 make thread pools obsolete for avoiding expensive thread creation
...as very cheap and after testing I determined that the overhead of function call in a new thread vs. a normal one is enormous. The overhead for creating a thread to handle a function call is something like 10000 or more times slower than a plain function call. So, if you're issuing a lot of small fun...