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Why is Scala's immutable Set not covariant in its type?
...ure, it's nice that it's a predicate, but you can usually just be a little more verbose and use "set.contains" rather than "set" (and arguably "set.contains" reads better in many cases anyway).
– Matt R
Mar 3 '11 at 20:32
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How do I call setattr() on the current module?
...scope, the latter is equivalent to:
vars()[name] = value
which is a bit more concise, but doesn't work from within a function (vars() gives the variables of the scope it's called at: the module's variables when called at global scope, and then it's OK to use it R/W, but the function's variables w...
How to get access to HTTP header information in Spring MVC REST controller?
...quest error as a response in case if request will not contain such header. More flexible way is direct access to request headers as described in: stackoverflow.com/a/28209710/1828296
– lospejos
Jul 14 '16 at 13:43
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Is it possible for a computer to “learn” a regular expression by user-provided examples?
... say: "the item codes are things like \d++-345[AB]"
When the item code is more permissive but we have not provided other examples, we have not proofs to understand the problem well.
When applying the human generated solution \d++-345[AB] to the following text, it fails:
"On the back of the item th...
Random float number generation
...eed truly random numbers with normal distribution, you'll need to employ a more advanced method.
This will generate a number from 0.0 to 1.0, inclusive.
float r = static_cast <float> (rand()) / static_cast <float> (RAND_MAX);
This will generate a number from 0.0 to some arbitrary f...
What's is the difference between train, validation and test set, in neural networks?
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Which is better: … or …
Which is better or more convenient to use:
6 Answers
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What is the advantage of using async with MVC5?
...hreads are used only for a short period of time. This means that there are more threads available in the pool for serving other requests.
So to conclude, use async actions only when you have a true async API inside. If you make a blocking call inside an async action, you are killing the whole benef...
Use a LIKE statement on SQL Server XML Datatype
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[Err] 42000 - [SQL Server]Conversion of one or more characters from XML to target collation impossible
– digz6666
May 10 '17 at 4:32
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Pip install Matplotlib error with virtualenv
... It may work, but note that it wants to install quite a few packages (more than can fit in this comment box), but about 0.6 GB worth of packages.
– Achal Dave
Feb 15 '14 at 23:32
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