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Setting ANDROID_HOME enviromental variable on Mac OS X

... user2993582user2993582 5,91211 gold badge99 silver badges33 bronze badges ...
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How efficient is locking an unlocked mutex? What is the cost of a mutex?

... access to the object happens often, then multiple locks would increase parallelism. At the cost of maintainability, since more locking means more debugging of the locking. How efficient is it to lock a mutex? I.e. how much assembler instructions are there likely and how much time do they take (...
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Evaluating a mathematical expression in a string

...p://pyparsing.wikispaces.com/message/view/home/15549426 ''' __note__ = ''' All I've done is rewrap Paul McGuire's fourFn.py as a class, so I can use it more easily in other places. ''' class NumericStringParser(object): ''' Most of this code comes from the fourFn.py pyparsing example ...
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What's the difference between a catalog and a schema in a relational database?

...l point of view : The catalog is the place where--among other things--all of the various schemas (external, conceptual, internal) and all of the corresponding mappings (external/conceptual, conceptual/internal) are kept. In other words, the catalog contains detailed information (sometimes...
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How to get error message when ifstream open fails

... Every system call that fails update the errno value. Thus, you can have more information about what happens when a ifstream open fails by using something like : cerr << "Error: " << strerror(errno); However, since every s...
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How do you install ssh-copy-id on a Mac?

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How do I focus on one spec in jasmine.js?

... its a good tip, but currently it isn't in jasmine. this is allowed by test runners like karma. for more info read on: github.com/pivotal/jasmine/pull/309 – p1100i Aug 12 '14 at 9:08 ...
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“Insufficient Storage Available” even there is lot of free space in device memory

The total space of my app is 10 MB, and after installation it will take less than 20 MB. In Galaxy Note I , while updating my app, it's saying "Insufficient Storage Available", where there is 214 MB of free space in device memory (internal). It happens even trying to download a new app. ...
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How to create PDF files in Python [closed]

...ich takes some images from user and then creates a PDF file which contains all of these images. 14 Answers ...
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How to colorize diff on the command line?

... Dror 9,0961515 gold badges6666 silver badges131131 bronze badges answered Jan 10 '12 at 8:54 kajikaji 6,92911 gold badge1616...