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Failed to load the JNI shared Library (JDK)
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@Tarik yes, its 2015 and unfortunatelly the Visual Page Editor(VPE) of JBoss Tools still awaiting since years for a 64-bit upgrade. Look at the "Working-Pairs" answer below, at the second pair. The JBoss Tools-Plug-in is bound to the same architecture ...
Truncating floats in Python
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First, the function, for those who just want some copy-and-paste code:
def truncate(f, n):
'''Truncates/pads a float f to n decimal places without rounding'''
s = '{}'.format(f)
if 'e' in s or 'E' in s:
return '{0:.{1}f}'.for...
Objective-C Static Class Level variables
...Can this be done in Objective-C? I've found it very hard to find an answer for this.
9 Answers
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Where is shared_ptr?
...ated. None of the examples I see show complete code to include the headers for shared_ptr (and working). Simply stating std , tr1 and <memory> is not helping at all! I have downloaded boosts and all but still it doesn't show up! Can someone help me by telling exactly where to find it?
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How to sort with a lambda?
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Yes it should be <, for standard ascending order. I edited the answer to make it clear it was a descending sort but apparently my edit was unhelpful and got wiped!
– pancake
Jun 29 '14 at 22:15
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How to properly reuse connection to Mongodb across NodeJs application and modules
... the callback function of connectToServer. If you require them in app.js before _db is set, then you'll get undefined errors in the other modules.
– Mike R
Feb 17 '18 at 21:40
2
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How do synchronized static methods work in Java and can I use it for loading Hibernate entities?
..., that way, your application will spend more time accessing the DB than performing the actual job.
Imagine the following scenario:
Client A and B attempt to insert different information into record X of table T.
With your approach the only thing you're getting is to make sure one is called after the...
How to find all the subclasses of a class given its name?
...ng(Bar): pass
Here are the names of the subclasses:
print([cls.__name__ for cls in Foo.__subclasses__()])
# ['Bar', 'Baz']
Here are the subclasses themselves:
print(Foo.__subclasses__())
# [<class '__main__.Bar'>, <class '__main__.Baz'>]
Confirmation that the subclasses do indeed...
Ruby Bundle Symbol not found: _SSLv2_client_method (LoadError)
... above worked, but only after I redirected my gcc. export CC=/usr/bin/gcc For more info: here is the github issue from rbenv that helped
– Dan Williams
Oct 20 '14 at 22:10
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Expand a random range from 1–5 to 1–7
...s is equivalent to Adam Rosenfield's solution, but may be a bit more clear for some readers. It assumes rand5() is a function that returns a statistically random integer in the range 1 through 5 inclusive.
int rand7()
{
int vals[5][5] = {
{ 1, 2, 3, 4, 5 },
{ 6, 7, 1, 2, 3 },
...