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How do I check if a file exists in Java?
...w File("C:/").exists() will return true but will not allow you to open and read from it as a file.
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'this' vs $scope in AngularJS controllers
... the desire to support "reusable components, which should not accidentally read or modify data in the parent scope." But if a directive really does want/need to read or modify SOME SPECIFIC data in the parent scope (like the 'pane' directive does), it requires some effort: 'require' the controller w...
Analytics Google API Error 403: “User does not have any Google Analytics Account”
...ed the permissions of the email account from inside Google Analytics from 'Read & Analyze' to something else, saved it, and then changed the permissions back to 'Read & Analyze' and it worked.
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Is there any NoSQL data store that is ACID compliant?
...ase can support ACID, so can a NoSQL database.
Some resources for further reading:
Wikipedia article on ACID
Wikipedia on propagation constraints
Wikipedia (yeah, I like the site, ok?) on database normalization
Apache documentation on CouchDB with a good overview of how it applies ACID
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How to use OpenSSL to encrypt/decrypt files?
... Do not use the above command since there is no key derivation. Read more here: openssl weak key derivation
– jonasl
Apr 29 '16 at 13:25
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File changed listener in Java
...n a file has been changed in the file system. I have found nothing but a thread that polls the lastModified File property and clearly this solution is not optimal.
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How does `is_base_of` work?
... This is going to be my favorite answer ever... a question: have you read the whole C++ standard or are you just working in the C++ committee?? Congratulations!
– Marco A.
Feb 2 '14 at 17:58
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make_unique and perfect forwarding
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@DavidRodríguez-dribeas: read Herb's blog to understand the exception safety issue. forget about "not designed to be derived", that's just rubbish. instead of my suggestion of making make_unique a class, i now think it's better to make it a function...
What does enumerate() mean?
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I am reading a book (Effective Python) by Brett Slatkin and he shows another way to iterate over a list and also know the index of the current item in the list but he suggests that it is better not to use it and to use enumerate i...
Java Generics: Cannot cast List to List? [duplicate]
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@CDT: Ah, I see. I suggest you read a Java generics tutorial then - you'll see it quite a lot :)
– Jon Skeet
Nov 27 '14 at 11:45
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