大约有 31,840 项符合查询结果（耗时：0.0434秒） [XML]
Will Try / Finally (without the Catch) bubble the exception?
...an exception, of course, in which case that will effectively "replace" the one that was originally thrown.
share
|
improve this answer
|
follow
|
...
Get object by id()? [duplicate]
...
If the object is still there, this can be done by ctypes:
import ctypes
a = "hello world"
print ctypes.cast(id(a), ctypes.py_object).value
output:
hello world
If you don't know whether the object is still there, this is a recipe for undefined behavior and weird ...
How do I convert an interval into a number of hours with postgres?
...s interval, and extract result is integer, not float). So. Autocast/Floor done.
– Offenso
Aug 12 '15 at 13:24
19
...
Why use a prime number in hashCode?
... inserted into will only be determined by the least significant entry (the one not multiplied at all). Similar entries will collide. Not good for a hash function.
31 is a large enough prime that the number of buckets is unlikely to be divisible by it (and in fact, modern java HashMap implementation...
Why is there no String.Empty in Java?
...
I'll still +1 you, but I feel dirty because you mentioned StringBuilder without talking about how nine times out of ten it's totally inappropriate to use StringBuilder rather than concatenation.
– Randolpho
Aug 10 '10 at 15:36
...
sendmail: how to configure sendmail on ubuntu? [closed]
...
One thing that isn't clear is what replacements to make in AuthInfo:your.isp.net "U:root" "I:user" "P:password" Specifically, how do you replace U:root and I:user
– Tom Haws
Aug 29 '13 ...
Traversing text in Insert mode
...follow rson's advice and use Ctrl+O. Taking the first example that I mentioned above, Ctrl+OFf will move you to a previous "f" character and leave you in insert mode.
share
|
improve this answer
...
Recursive lambda functions in C++11
... Wondering why this isn't marked as 'answer', and that Python one is classified as 'Answer' ?!
– Ajay
Jan 26 '13 at 6:05
1
...
Android and setting alpha for (image) view alpha
... the former, but it's the counterpart to View.setAlpha(float). And as mentioned multiple times here already, android:alpha / View.setAlpha(float) are available as of API level 11 only.
– sschuberth
Nov 19 '13 at 20:33
...
namespaces for enum types - best practices
Often, one needs several enumerated types together. Sometimes, one has a name clash. Two solutions to this come to mind: use a namespace, or use 'larger' enum element names. Still, the namespace solution has two possible implementations: a dummy class with nested enum, or a full blown namespace.
...