大约有 47,000 项符合查询结果（耗时：0.0411秒） [XML]
Call static method with reflection
...
|
edited Feb 11 '18 at 4:26
answered Feb 11 '18 at 3:45
...
Dark theme in Netbeans 7 or 8
...
Works with NetBeans 11.0.
– Antonio Vinicius Menezes Medei
Jul 5 '19 at 16:29
...
Sharing a result queue among several processes
...
11
multiprocessing.Pool already has a shared result-queue, there is no need to additionally involv...
How to make a variadic macro (variable number of arguments)
...
The reason for ## before VA_ARGS is that it swallows the preceding comma in case the variable-argument list is empty, eg. FOO("a") expands to printf("a"). This is an extension of gcc (and vc++, maybe), C99 requires at least one argument to be present in place of the elli...
I change the capitalization of a directory and Git doesn't seem to pick up on it
...
You're probably using case insensitive (but case preserving) HFS+. I usually work round this like so:
$ git mv somename tmpname
$ git mv tmpname SomeName
share
|
improve this answer
|
...
How can I alter a primary key constraint using SQL syntax?
...y constraint name, use query found here to look it up (or look up and drop all at once). http://stackoverflow.com/a/13948609/945875
– Justin
Dec 19 '13 at 20:06
...
How to make a Java Generic method static?
...urn value always introduce (declare) a new generic type variable.
Additionally, type variables between types (ArrayUtils) and static methods (appendToArray) never interfere with each other.
So, what does this mean:
In my answer <E> would hide the E from ArrayUtils<E> if the method woul...
Python: fastest way to create a list of n lists
...
The probably only way which is marginally faster than
d = [[] for x in xrange(n)]
is
from itertools import repeat
d = [[] for i in repeat(None, n)]
It does not have to create a new int object in every iteration and is about 15 % faster on my machine.
Edi...
Android: upgrading DB version and adding new table
...
1. About onCreate() and onUpgrade()
onCreate(..) is called whenever the app is freshly installed. onUpgrade is called whenever the app is upgraded and launched and the database version is not the same.
2. Incrementing the db version
You need a constructor like:
MyOpenHelp...
Sort Go map values by keys
...tween runs of the program. In practice, not only is it undefined, it's actually intentionally randomized. This is because it used to be predictable, and the Go language developers didn't want people relying on unspecified behavior, so they intentionally randomized it so that relying on this behavior...