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Token Authentication for RESTful API: should the token be periodically changed?

... It is good practice to have mobile clients periodically renew their authentication token. This of course is up to the server to enforce. The default TokenAuthentication class does not support this, however you can extend it to achieve this functionality. For example: from...
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How can I join elements of an array in Bash?

... +1. What about printf -v bar ",%s" "${foo[@]}". It is one fork less (actually clone). It is even forking reading a file: printf -v bar ",%s" $(<infile). – TrueY Jun 8 '13 at 22:55 ...
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Numpy first occurrence of value greater than existing value

... about why it gives the correct result despite the original intent not actually seeking a maximum, not why it is faster as I cannot claim to understand the inner details of argmax. – askewchan Oct 8 '14 at 14:24 ...
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Is there a Python Library that contains a list of all the ascii characters?

...>> string.ascii_uppercase 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' If you want all printable characters: >>> string.printable '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!"#$%&\'()*+,-./:;?@[\\]^_`{|}~ \t\n\r\x0b\x0c' ...
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Rename multiple files in a directory in Python [duplicate]

...e script itself. Instead of using . as the dir, you could make a variable called dir and use that, then prepend dir to the filename. – styfle May 18 '11 at 5:53 18 ...
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Concurrent HashSet in .NET Framework?

...ass. private ConcurrentBag<string> _data; Self-implementation Finally, as you did, you can implement your own data type, using lock or other ways that the .NET provides you to be thread-safe. Here is a great example: How to implement ConcurrentHashSet in .Net The only drawback of this sol...
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Create unique constraint with null columns

...or may not be useful. In extreme situations it might even help to maintain all three indexes (the two partial ones and a total on top). Aside: I advise not to use mixed case identifiers in PostgreSQL. share | ...
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How do I enable EF migrations for multiple contexts to separate databases?

... The 2nd call to Enable-Migrations is failing because the Configuration.cs file already exists. If you rename that class and file, you should be able to run that 2nd Enable-Migrations, which will create another Configuration.cs. You ...
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How can I use Spring Security without sessions?

...n block these assets on the first load because "the URL contained a potentially malicious String ';'". – workerjoe Mar 5 at 17:36 ...
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Why unsigned integer is not available in PostgreSQL?

I came across this post ( What is the difference between tinyint, smallint, mediumint, bigint and int in MySQL? ) and realized that PostgreSQL does not support unsigned integer. ...