大约有 45,000 项符合查询结果（耗时：0.0580秒） [XML]
Python != operation vs “is not”
...
== is an equality test. It checks whether the right hand side and the left hand side are equal objects (according to their __eq__ or __cmp__ methods.)
is is an identity test. It checks whether the right hand side and the left hand side ar...
How to uninstall a Windows Service when there is no executable for it left on the system?
How do I uninstall a Windows Service when there is no executable for it left on the system? I can not run installutil -u since there is not executable left on the system. I can still see an entry for the service in the Services console.
...
How should I escape strings in JSON?
...fields? Should I use something like Apache Commons Lang's StringEscapeUtilities.escapeHtml , StringEscapeUtilities.escapeXml , or should I use java.net.URLEncoder ?
...
IllegalMonitorStateException on wait() call
...r my program.
I have run thread successfully but when I am using Thread.wait() , it is throwing java.lang.IllegalMonitorStateException .
How can I make a thread wait until it will be notified?
...
Is explicitly closing files important?
In Python, if you either open a file without calling close() , or close the file but not using try - finally or the " with " statement, is this a problem? Or does it suffice as a coding practice to rely on the Python garbage-collection to close all files? For example, if one does this:
...
What is the difference between RDF and OWL? [closed]
I am trying to grasp the concept of Semantic Web. I am finding it hard to understand what exactly is the difference between RDF and OWL. Is OWL an extension of RDF or these two are totally different technologies?
...
Ruby: How to turn a hash into HTTP parameters?
That is pretty easy with a plain hash like
13 Answers
13
...
Hashset vs Treeset
...pointedly why I would use a TreeSet . From a CS background, I don't think it matters all that much which you use, and I don't care to mess around with hash functions and buckets (in the case of Java ).
...
Why doesn't Dictionary have AddRange?
Title is basic enough, why can't I:
10 Answers
10
...
How to get the ActionBar height?
...g to get the height of the ActionBar (using Sherlock) every time an activity is created (specially to handle configuration changes on rotation where the ActionBar height might change).
...