大约有 34,900 项符合查询结果（耗时：0.0495秒） [XML]
In java how to get substring from a string till a character c?
...
look at String.indexOf and String.substring.
Make sure you check for -1 for indexOf.
share
|
improve this answer
|...
Print multiple arguments in Python
...l score for %s is %s" % (name, score))
A tuple with a single element looks like ('this',).
Here are some other common ways of doing it:
Pass it as a dictionary:
print("Total score for %(n)s is %(s)s" % {'n': name, 's': score})
There's also new-style string formatting, which might be a litt...
How to add new elements to an array?
...an grow as you need it. The method ArrayList.toArray( T[] a ) gives you back your array if you need it in this form.
List<String> where = new ArrayList<String>();
where.add( ContactsContract.Contacts.HAS_PHONE_NUMBER+"=1" );
where.add( ContactsContract.Contacts.IN_VISIBLE_GROUP+"=1" );
...
How do I correctly clone a JavaScript object?
I have an object x . I'd like to copy it as object y , such that changes to y do not modify x . I realized that copying objects derived from built-in JavaScript objects will result in extra, unwanted properties. This isn't a problem, since I'm copying one of my own literal-constructed objects.
...
How do I get monitor resolution in Python?
...etSystemMetrics(0))
print("Height =", GetSystemMetrics(1))
If you are working with high resolution screen, make sure your python interpreter is HIGHDPIAWARE.
Based on this post.
share
|
improve t...
How do I right align div elements?
...
You can make a div that contains both the form & the button, then make the div float to the right by setting float: right;.
share
|
...
How do emulators work and how are they written? [closed]
How do emulators work? When I see NES/SNES or C64 emulators, it astounds me.
16 Answers
...
When is an interface with a default method initialized?
...
This is a very interesting issue!
It seems like JLS section 12.4.1 ought to cover this definitively. However, the behavior of Oracle JDK and OpenJDK (javac and HotSpot) differs from what's specified here. In particular, the Example 12.4.1-3 from this section covers inte...
How to debug JavaScript / jQuery event bindings with Firebug or similar tools?
...s that were bound to particular elements, are not fired and simply stop working.
15 Answers
...
Ruby on Rails and Rake problems: uninitialized constant Rake::DSL
I'm having a really frustrating issue: Rake is being dumb.
19 Answers
19
...