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When should we use mutex and when should we use semaphore

... 96 Here is how I remember when to use what - Semaphore: Use a semaphore when you (thread) want t...
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What's the difference between the atomic and nonatomic attributes?

...ile but what I meant to write was probably this: gist.github.com/fjolnir/5d96b3272c6255f6baae But yes it is possible for the old value to be read by a reader before setFoo: returns, and released before the reader returns it. But maybe if the setter used -autorelease instead of -release, that would f...
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Update Item to Revision vs Revert to Revision

...ing copy which were made after the selected revision (in your example rev. 96,97,98,99,100) Your working copy is now in modified state. The file content of both scenarions is same, however in first case you have an unmodified working copy and you cannot commit your changes(as your workingcopy is n...
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How much faster is C++ than C#?

... 96 <quote>code in interpreted languages gets faster in later versions of the runtime</quote> As code compiled by a better version ...
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How do I profile memory usage in Python?

...s) 0 25773 53 1612820 49 1612820 49 str 1 11699 24 483960 15 2096780 64 tuple 2 174 0 241584 7 2338364 72 dict of module 3 3478 7 222592 7 2560956 78 types.CodeType 4 3296 7 184576 6 2745532 84 function 5 401 1 175...
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How to configure an app to run correctly on a machine with a high DPI setting (e.g. 150%)?

... Hans PassantHans Passant 852k124124 gold badges14961496 silver badges23062306 bronze badges ...
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How do you specify the Java compiler version in a pom.xml file?

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rsync: difference between --size-only and --ignore-times

...on: https://www.andrew.cmu.edu/course/15-749/READINGS/required/cas/tridgell96.pdf. The wikipedia article on rsync is also very good. For local files, rsync compares metadata and if it looks like it doesn't need to copy the file because size and timestamp match between source and destination it does...
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When and why would you seal a class?

... 96 On a class that implements security features, so that the original object cannot be "impersona...
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What is the difference between the Data Mapper, Table Data Gateway (Gateway), Data Access Object (DA

... link has gone stale – imel96 Aug 27 '14 at 3:15 1 Updated link: github...