大约有 47,000 项符合查询结果（耗时：0.0758秒） [XML]
If i synchronized two methods on the same class, can they run simultaneously?
...nitor. Therefore, you can't simultaneously execute them on the same object from different threads (one of the two methods will block until the other is finished).
share
|
improve this answer
...
Are nested try/except blocks in python a good programming practice?
...or:
raise AttributeError("The object doesn't have such attribute") from None
PS. has_key() has been deprecated for a long time in Python 2. Use item in self.dict instead.
share
|
improve t...
Difference between string and char[] types in C++
...are faster than heap-allocated char arrays for short texts and protect you from buffer overruns. Plus they're more readable and easier to use.
However, C++ strings are not (very) suitable for usage across DLL boundaries, because this would require any user of such a DLL function to make sure he's...
How to find/remove unused dependencies in Gradle
....gradle script or in a Gradle script that is included via the Gradle apply from mechanism.
For multimodule projects, we recommend applying the plugin in an allprojects block:
allprojects {
apply plugin: 'nebula.lint'
gradleLint.rules = ['all-dependency'] // Add as many rules here as you'd like...
Internet Explorer's CSS rules limits
...
Referring the following from Microsoft:
Stylesheet Limits in Internet Explorer
KB - A webpage that uses CSS styles does not render correctly in Internet Explorer
The rules for IE9 are:
A sheet may contain up to 4095 selectors (Demo)
A sheet ma...
Should you always favor xrange() over range()?
... dang well and is just as fast as xrange for when it counts (iterations).
from __future__ import division
def read_xrange(xrange_object):
# returns the xrange object's start, stop, and step
start = xrange_object[0]
if len(xrange_object) > 1:
step = xrange_object[1] - xrange_o...
How to secure database passwords in PHP?
...prefer using a database account that is only allowed to acces the database from the web server. And then I don't bother encrypting the configuration, I just store it outside the web root.
– gnud
Apr 25 '09 at 8:01
...
What does MVW stand for?
...lar gives you a lot of flexibility to nicely separate presentation
logic from business logic and presentation state. Please use it fuel
your productivity and application maintainability rather than heated
discussions about things that at the end of the day don't matter that
much.
...
Creating an array of objects in Java
...
I had this confusion too, since I am from C++ background I always assumed that like in C++ Java's new keyword also calls the constructor and allocates the I memory. I guess in Java new only creates the references not the actual object as compared to C++. Thanks ...
Java HashMap performance optimization / alternative
... making up a simple example.) If your strings have widely varying lengths, from 1 to 10,000, and are fairly evenly distributed across that range, that this could be a very good hash function. But if your strings are all 1 or 2 characters, this would be a very bad hash function.
Edit: I should add: ...