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jQuery select2 get value of select tag?
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select2.org/programmatic-control/add-select-clear-items
– Kamlesh
Sep 25 at 14:04
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Which is faster in Python: x**.5 or math.sqrt(x)?
... math
N = 1000000
%%timeit
for i in range(N):
z=i**.5
10 loops, best of 3: 156 ms per loop
%%timeit
for i in range(N):
z=math.sqrt(i)
10 loops, best of 3: 91.1 ms per loop
Using Python 3.6.9 (notebook).
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PHP substring extraction. Get the string before the first '/' or the whole string
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Unlike the one below, the "2" limits the number of array items it creates. Good thinking.
– Ben in CA
Mar 28 at 17:20
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Are static class variables possible in Python?
...ls.statics[cls])))[True].__name__
raise TypeError('__statics__ items must be strings, not {0}'.format(typ))
# Move any previously existing, not overridden statics to the static var parent class(es)
if len(cls.__sro__) > 1:
for attr,value in namespace.items(...
How do you set up use HttpOnly cookies in PHP
...ie($sess_name, session_id(), null, '/', null, null, true);
}
A couple of items of note here:
You have to call session_name()
before session_start()
This also
sets the default path to '/', which
is necessary for Opera but which PHP
session cookies don't do by default
either.
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How to clean project cache in Intellij idea like Eclipse's clean?
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FYI, at least by IntelliJ 2017.1 (preview), this menu item has changed to File > Invalidate Caches / Restart.
– Basil Bourque
Mar 10 '17 at 6:16
2
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Builder Pattern in Effective Java
...d Effective Java by Joshua Bloch. I found the idea of the Builder pattern [Item 2 in the book] really interesting. I tried to implement it in my project but there were compilation errors. Following is in essence what I was trying to do:
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Microsoft.Office.Core Reference Missing
...ve Office 2003. Simply expand the project references, remove the afflicted items, and add the COM Library appropriate for your system. If someone has a dynamic way to handle this, I'd be curious to see you've done.
That should solve your problem. If not, let us know.
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What is a raw type and why shouldn't we use it?
... manually check every add yourself, and then manually cast to String every item from names. Even better, though is NOT to use a raw type and let the compiler do all the work for you, harnessing the power of Java generics.
List<String> names = new ArrayList<String>();
names.add("John");
n...
Get: TypeError: 'dict_values' object does not support indexing when using python 3.2.3 [duplicate]
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In Python 3, dict.values() (along with dict.keys() and dict.items()) returns a view, rather than a list. See the documentation here. You therefore need to wrap your call to dict.values() in a call to list like so:
v = list(d.values())
{names[i]:v[i] for i in range(len(names))}
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