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REST API Authentication

... For e.g. when a user has login.Now lets say the user want to create a forum topic, How will I know that the user is already logged in? Think about it - there must be some handshake that tells your "Create Forum" API that this current request is from an au...
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Can we define implicit conversions of enums in c#?

... the resource dependent display names weren't completely removed; they are now) initialization wasn't perfect: if the first thing you did was access the static .Values property from the base class, you'd get a NPE. Fixed this by forcing the base class to curiously-recursively (CRTP) force the static...
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NameError: global name 'xrange' is not defined in Python 3

...n 3. Run the game with Python 2 instead. Don't try to port it unless you know what you are doing, most likely there will be more problems beyond xrange() vs. range(). For the record, what you are seeing is not a syntax error but a runtime exception instead. If you do know what your are doing an...
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How do different retention policies affect my annotations?

...ection at runtime. Example: @Deprecated Source: The old URL is dead now hunter_meta and replaced with hunter-meta-2-098036. In case even this goes down, I am uploading the image of the page. Image (Right Click and Select 'Open Image in New Tab/Window') ...
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Difference between local and global indexes in DynamoDB

...table types and how they work, below: Hash Only As you probably already know; a Hash-Key by itself must be unique as writing to a Hash-Key that already exists will overwrite the existing data. Hash+Range A Hash-Key + Range-Key allows you to have multiple Hash Keys that are the same, as long as t...
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UPDATE multiple tables in MySQL using LEFT JOIN

... same can be applied to a scenario where the data has been normalized, but now you want a table to have values found in a third table. The following will allow you to update a table with information from a third table that is liked by a second table. UPDATE t1 LEFT JOIN t2 ON t2.some_id = t1.s...
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Maven2: Best practice for Enterprise Project (EAR file)

... of archetypes appeared in a numbered list from which to select (519 as of now!). The goal, still running, prompted me to make a selection by entering a number or entering a search string e.g.: 513: remote -> org.xwiki.commons:xwiki-commons-component-archetype 514: remote -> org.xwiki.render...
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Npm install failed with “cannot run in wd”

... Sorry I didn't see this until now. I tried the "unsafe-perm" before but it didn't work either. The problem still exists – E.H. Mar 31 '14 at 19:47 ...
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How to capture stdout output from a Python function call?

...sage: with Capturing() as output: do_something(my_object) output is now a list containing the lines printed by the function call. Advanced usage: What may not be obvious is that this can be done more than once and the results concatenated: with Capturing() as output: print('hello world...
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What does the caret operator (^) in Python do?

...r): return self ** other Then something like this will work, and now, for instances of Foo only, the ^ symbol will mean exponentiation. In [16]: x = Foo(3) In [17]: x Out[17]: 3.0 In [18]: x ^ 4 Out[18]: 81.0 s...