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Why does pthread_cond_wait have spurious wakeups?

...on, he expands on the thinking behind the design: Patrick Doyle wrote: > In article , Tom Payne wrote: > >Kaz Kylheku wrote: > >: It is so because implementations can sometimes not avoid inserting > >: these spurious wakeups; it might be costly to prevent them. > &...
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How do you use https / SSL on localhost?

...ort certificate to Trusted Root Certification Authorities store: start --> run --> mmc.exe --> Certificates plugin --> "Trusted Root Certification Authorities" --> Certificates Right-click Certificates --> All Tasks --> Import Find your "localhost" Certificate at C:\Program...
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How to create a new database using SQLAlchemy?

...gine as usual with a user that has the permissions to create a database: >>> engine = sqlalchemy.create_engine("postgres://postgres@/postgres") You cannot use engine.execute() however, because postgres does not allow you to create databases inside transactions, and sqlalchemy always trie...
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Displaying the #include hierarchy for a C++ file in Visual Studio

... There is a setting: Project Settings -> Configuration Properties -> C/C++ -> Advanced -> Show Includes that will generate the tree. It maps to the compiler switch /showIncludes ...
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Check whether a path is valid in Python without creating a file at the path's target

...t is a longest substring of a pathname containing no / character (e.g., bergtatt, ind, i, and fjeldkamrene in the pathname /bergtatt/ind/i/fjeldkamrene). Syntactic correctness. Root filesystem. That's it. Question #1: How Now Shall We Do Pathname Validity? Validating pathnames in Python is surpr...
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What is the Python equivalent of static variables inside a function?

...ave demonstrated the way you should do this. Here's a way you shouldn't: >>> def foo(counter=[0]): ... counter[0] += 1 ... print("Counter is %i." % counter[0]); ... >>> foo() Counter is 1. >>> foo() Counter is 2. >>> Default values are initialized only wh...
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Best way to generate random file names in Python

...you need no the file path, but only the random string having predefined length you can use something like this. >>> import random >>> import string >>> file_name = ''.join(random.choice(string.ascii_lowercase) for i in range(16)) >>> file_name 'ytrvmyhkaxlfaugx'...
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ADT requires 'org.eclipse.wst.sse.core 0.0.0' but it could not be found

... following these instructions. Eclipse 3.6 (Helios) Select Help > Install New Software... Click the link for Available Software Sites. Ensure there is an update site named Helios. If this is not present, click Add... and enter http://download.eclipse.org/releases/helios for th...
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Screenshot Apps for iPhone simulator [closed]

... we need to provide high resolution screenshots. For that go to Simulator->Hardware->Device->iphone(Retina). You will be able capture images in 640 × 960 using cmd+S . share | improve ...
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Why can't variables be declared in a switch statement?

... people use. My own style is to always open a new scope for each case/default if it is more than one line long. – Bids Jan 31 '09 at 16:43 39 ...