大约有 31,840 项符合查询结果（耗时：0.0300秒） [XML]
Simplest way to read json from a URL in java
...;
import java.net.URL;
import java.nio.charset.Charset;
import org.json.JSONException;
import org.json.JSONObject;
public class JsonReader {
private static String readAll(Reader rd) throws IOException {
StringBuilder sb = new StringBuilder();
int cp;
while ((cp = rd.read()) != -1) {...
How do I copy an object in Java?
...mmy = another.dummy; // you can access
}
}
Every object has also a clone method which can be used to copy the object, but don't use it. It's way too easy to create a class and do improper clone method. If you are going to do that, read at least what Joshua Bloch has to say about it in Effectiv...
What is the difference between a heuristic and an algorithm?
...is precisely defined. The solution could or could not be the best possible one but you know from the start what kind of result you will get. You implement the algorithm using some programming language to get (a part of) a program.
Now, some problems are hard and you may not be able to get an accept...
Why are only a few video games written in Java? [closed]
Why aren't many commercial, 3D video games (not random open source 2D ones) written in Java? In theory, it makes a lot of sense: you get a productivity boost and a cross-platform application almost for free, among other things, such as the vast amount of Java libraries, and built-in garbage collecti...
Java Timer vs ExecutorService?
...ed Timer and ExecutorService to schedule tasks, what is the benefit of one using over another?
6 Answers
...
Getting an object from an NSSet
...essage. If it returns nil, the set does not contain an object equal to the one you passed; if it returns an object pointer, then the pointer it returns is to the object already in the set. The objects in the set must implement hash and isEqual: for this to be useful.
– Peter Ho...
Choosing between MEF and MAF (System.AddIn)
...ditional benefits such as discoverability and ... (drawing a blank on this one). The degree of isolation that MAF has is not present in MEF. They are two different frameworks for two different things.
share
|
...
Ignoring time zones altogether in Rails and PostgreSQL
...
The data type timestamptz is the short name for timestamp with time zone.
The other option timestamp is short for timestamp without time zone.
timestamptz is the preferred type in the date/time family, literally. It has typispreferred set in pg_type, which can be relevant:
Generating time ser...
New line in text area
...
Try this one:
<textarea cols='60' rows='8'>This is my statement one.&#13;&#10;This is my statement2</textarea>
&#10; Line Feed and &#13; Carriage Return are HTML entitieswikipedia. This way ...
SQL error “ORA-01722: invalid number”
A very easy one for someone,
The following insert is giving me the
13 Answers
13
...