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BigDecimal - to use new or valueOf
...BigDecimal object will be what you see when you do System.out.println(d).
If you use new BigDecimal(d) however, then the BigDecimal will try to represent the double value as accurately as possible. This will usually result in a lot more digits being stored than you want. Strictly speaking, it's mor...
Difference between `npm start` & `node app.js`, when starting app?
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From the man page, npm start:
runs a package's "start" script, if one was provided.
If no version is specified, then it starts the "active" version.
Admittedly, that description is completely unhelpful, and that's all it says. At least it's more documented than socket.io.
Anyhow, wh...
T-SQL stored procedure that accepts multiple Id values
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Awesome solution, @Matt Hamilton. Dont know if this will help anyone, but I got more accurate results on SQL Server 2008r when I was searching text fields by using "join dbo.SplitWords(@MyParameterArray) p ON CHARINDEX(p.value, d.MyFieldToSearch) > 0 "
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ASP.NET MVC 3: Override “name” attribute with TextBoxFor
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But handling two different properties whose names differ only by case is a recipe for a maintenance nightmare.....
– James McCormack
Mar 17 '14 at 18:31
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Multiprocessing: How to use Pool.map on a function defined in a class?
...oc]
[p.join() for p in proc]
return [p.recv() for (p, c) in pipe]
if __name__ == '__main__':
print parmap(lambda x: x**x, range(1, 5))
share
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improve this answer
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Ball to Ball Collision - Detection and Handling
...re the velocities after the collision, and u1, u2 are from before):
If the balls have the same mass then the velocities are simply switched. Here's some code I wrote which does something similar:
void Simulation::collide(Storage::Iterator a, Storage::Iterator b)
{
// Check whether there ...
How do I tell matplotlib that I am done with a plot?
...t tutorial does mention clf() in the "multiple figures" section. Note that if you just create a new plot with figure() without closing the old one with close() (even if you close the GUI window), pyplot retains a reference to your old figure, which may look like a memory leak.
–...
Is there a sleep function in JavaScript? [duplicate]
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If you are looking to block the execution of code with call to sleep, then no, there is no method for that in JavaScript.
JavaScript does have setTimeout method. setTimeout will let you defer execution of a function for x mi...
How to bind RadioButtons to an enum?
...ureInfo culture)
{
string parameterString = parameter as string;
if (parameterString == null)
return DependencyProperty.UnsetValue;
if (Enum.IsDefined(value.GetType(), value) == false)
return DependencyProperty.UnsetValue;
object parameterValue = Enum.Parse(value.GetT...
std::vector versus std::array in C++
What are the difference between a std::vector and an std::array in C++? When should one be preferred over another? What are the pros and cons of each? All my textbook does is list how they are the same.
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