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Troubleshooting “The use statement with non-compound name … has no effect”

...atement, because its arguments are always seen as absolute (i.e., starting from the global namespace). 2) use Blog; is not necessarily useless: for example, from a file namespaced as Blog\Util\CLI, it would enable you to write Blog\Entry::method() instead of \Blog\Entry::method(). Not that this is r...
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What is the difference between square brackets and parentheses in a regex?

...on capturing group. [abc] is a "character class" that means "any character from a,b or c" (a character class may use ranges, e.g. [a-d] = [abcd]) The reason these regexes are similar is that a character class is a shorthand for an "or" (but only for single characters). In an alternation, you can a...
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Flex-box: Align last row to grid

... @DanAndreasson There are two issues, it does not start from the left (like space-between), and also the space between the items of the last row is different than in previous row (simulating some fixed width items in "any-size" grid - relates to both)... codepen.io/anon/pen/gPoYZE...
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Add custom messages in assert?

... arguments: assert(("A must be equal to B", a == b)); (this was copied from above comments, for better visibility) share | improve this answer | follow | ...
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Firebase Storage How to store and Retrieve images [closed]

... I ended up storing the images in base64 format myself. I translate them from their base64 value when called back from firebase. share | improve this answer | follow ...
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What are the differences between “=” and “

...ion). In fact, ?Syntax in R gives the following operator precedence table, from highest to lowest: … ‘-> ->>’ rightwards assignment ‘<- <<-’ assignment (right to left) ‘=’ assignment (right to left) … But is this the only diff...
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Python subprocess.Popen “OSError: [Errno 12] Cannot allocate memory”

...mmit enforcement. Moreover, I'm not sure how much control you truly have, from within your container, over swap and overcommit configuration (in order to influence the outcome of the enforcement.) Now, in order to actually move forward I'd say you're left with two options: switch to a larger ins...
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Undefined reference to `pow' and `floor'

... U pow U printf Where nm lists symbols from object file. You can see that this was compiled without an error, but pow, floor, and printf functions have undefined references, now if I will try to link this to executable: $ gcc fib.o fib.o: In function `fibo': fib....
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Google Guice vs. PicoContainer for Dependency Injection

...rojects. Guice - Simple to configure, you just add annotations and inherit from AbstractModule to bind things together. Scales well to large projects as configuration is kept to a minimum. Spring - Relatively easy to configure but most examples use Spring XML as the method for configuration. Spring ...
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Amazon S3 - HTTPS/SSL - Is it possible? [closed]

... This is a response I got from their Premium Services Hello, This is actually a issue with the way SSL validates names containing a period, '.', > character. We've documented this behavior here: http://docs.amazonwebservices.com/AmazonS3/latest/d...