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How to Calculate Execution Time of a Code Snippet in C++

I have to compute execution time of a C++ code snippet in seconds. It must be working either on Windows or Unix machines. 1...
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Add Keypair to existing EC2 instance

I was given AWS Console access to an account with 2 instances running that I cannot shut down (in production). I would however like to gain SSH access to these instances, is it possible to create a new Keypair and apply it to the instances so I can SSH in? Obtaining the exisiting pem file for the ke...
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How do I force a favicon refresh?

I have a Grails application running locally using its own tomcat and I have just changed the favicon for a new one. Problem is that I can not see it in any browser. The old favicon shows up or I get no favicon at all, but not my new one. I do not think this is a Grails issue per se, more an issue...
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Facebook Post Link Image

...ain URLs though (including mine), FB doesn't seem to pick up anything, despite their being a number of images on that page. ...
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How to send password securely over HTTP?

If on a login screen user submits a form with his username and password, the password is sent in plain text (even with POST, correct me if I am wrong). ...
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RESTful web service - how to authenticate requests from other services?

...secret. I also don't like the hard-coded user-name and password option but it does have the benefit of being quite simple. The client certificate is also good but is it really much different? There's a cert on the server and one on the client. It's main advantage is that it's harder to brute force. ...
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Do I really have a car in my garage? [duplicate]

...stract int getPriceAfterYears(int years); } Every Vehicle has a price so it can be put inside the Vehicle abstract class. Yet, the formula determining the price after n years depends on the vehicle, so it left to the implementing class to define it. For instance: public Car extends Vehicle { ...
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SHA512 vs. Blowfish and Bcrypt [closed]

I'm looking at hashing algorithms, but couldn't find an answer. 6 Answers 6 ...
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Dynamically set local variable [duplicate]

...ther answers already posted you cannot modify locals() directly and expect it to work. >>> def foo(): lcl = locals() lcl['xyz'] = 42 print(xyz) >>> foo() Traceback (most recent call last): File "<pyshell#6>", line 1, in <module> foo() File "<p...
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iPhone app in landscape mode, 2008 systems

...s answer is now hugely out of date/ This answer is only a historical curiosity. Exciting news! As discovered by Andrew below, this problem has been fixed by Apple in 4.0+. It would appear it is NO longer necessary to force the size of the view on every view, and the specific serious problem of land...