大约有 40,000 项符合查询结果（耗时：0.0494秒） [XML]
When to use StringBuilder in Java [duplicate]
...
If you use String concatenation in a loop, something like this,
String s = "";
for (int i = 0; i < 100; i++) {
s += ", " + i;
}
then you should use a StringBuilder (not StringBuffer) instead of a String, because it is much faster and consumes less memory.
If you have a...
How do I list all versions of a gem available at a remote site?
...
the Tin Man
147k3131 gold badges192192 silver badges272272 bronze badges
answered Feb 5 '12 at 1:05
opensasopensas
...
Non-static variable cannot be referenced from a static context
...a class and an instance of that class. If you see a car on the street, you know immediately that it's a car even if you can't see which model or type. This is because you compare what you see with the class "car". The class contains which is similar to all cars. Think of it as a template or an idea....
How do you pass arguments to define_method?
I would like to pass an argument(s) to a method being defined using define_method, how would I do that?
4 Answers
...
How do I pass command line arguments to a Node.js program?
I have a web server written in Node.js and I would like to launch with a specific folder. I'm not sure how to access arguments in JavaScript. I'm running node like this:
...
What's the difference between fill_parent and wrap_content?
...Setting the layout of a widget to fill_parent will force it to expand to take up as much space as is available within the layout element it's been placed in. It's roughly equivalent of setting the dockstyle of a Windows Form Control to Fill.
Setting a top level layout or control to fill_parent wil...
What is the proper way to check for existence of variable in an EJS template (using ExpressJS)?
...
Bruiser
11.2k55 gold badges3131 silver badges4444 bronze badges
answered Mar 21 '11 at 0:22
tjholowaychuktjholowa...
What do the f and t commands do in Vim?
...lain to me what the f and t commands do in vim and exactly how they work? I can't seem to find this information but people keep telling me that they are very useful. Would really appreciate an answer with an example if possible, thanks!
...
How do you compare two version Strings in Java?
...ion numbers? I can't just use a straight String compareTo because I don't know yet what the maximum number of point releases there will be. I need to compare the versions and have the following hold true:
...
CSS force image resize and keep aspect ratio
I am working with images, and I ran across a problem with aspect ratios.
23 Answers
23...