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std::vector performance regression when enabling C++11

I have found an interesting performance regression in a small C++ snippet, when I enable C++11: 1 Answer ...
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How to become an OpenCart guru? [closed]

It seems like they have no documentation except some api calls on their official forums. I have experience with Zend framework and CodeIgniter framework. Can any OpenCart masters recommend me the best way to learn it and master in shortest amount of time? I have to do a big project with it soon. ...
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How to join two JavaScript Objects, without using JQUERY [duplicate]

... merge them and crete a single json object. The resultant json should have all the values from obj2 and the values from obj1 which is not present in obj2. ...
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Programmatically change log level in Log4j2

I'm interested in programmatically changing the log level in Log4j2. I tried looking at their configuration documentation but that didn't seem to have anything. I also tried looking in the package: org.apache.logging.log4j.core.config , but nothing in there looked helpful either. ...
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How to implement a queue with three stacks?

...r Sedgewick have confirmed they are not aware of a 3-stack solution within all the constraints of the original question DETAILS There are two implementations behind this link: http://www.eecs.usma.edu/webs/people/okasaki/jfp95/index.html One of them is O(1) with three stacks BUT it uses lazy exe...
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How disable Copy, Cut, Select, Select All in UITextView

The UITextView 's Copy, Cut, Select, Select All functionality is shown by default when I press down on the screen. But, in my project the UITextField is only read only. I do not require this functionality. Please tell me how to disable this feature. ...
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String concatenation vs. string substitution in Python

...catenation is (significantly) faster according to my machine. But stylistically, I'm willing to pay the price of substitution if performance is not critical. Well, and if I need formatting, there's no need to even ask the question... there's no option but to use interpolation/templating. >>&g...
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TypeError: got multiple values for argument

...r and it seems that my problem has an interesting distinct difference than all the posts I read so far, namely, all the other posts so far have the error in regards to either a user created class or a builtin system resource. I am experiencing this problem when calling a function, I can't figure out...
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Convert base-2 binary number string to int

... (as suggested by the >>> prompt), you don't need to use print at all. The OP's hypothetical example didn't. So it really should be identical in Python 2 and 3. – John Y Jul 12 '16 at 22:36 ...
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How to reliably open a file in the same directory as a Python script

...th( os.path.join(os.getcwd(), os.path.dirname(__file__))) The join() call prepends the current working directory, but the documentation says that if some path is absolute, all other paths left of it are dropped. Therefore, getcwd() is dropped when dirname(__file__) returns an absolute path. Als...