大约有 47,000 项符合查询结果（耗时：0.0880秒） [XML]
What is Common Gateway Interface (CGI)?
...s the webserver how to pass data to and from an application. More specifically, it describes how request information is passed in environment variables (such as request type, remote IP address), how the request body is passed in via standard input, and how the response is passed out via standard ou...
Implements vs extends: When to use? What's the difference?
...public interface ExampleInterface {
public void doAction();
public String doThis(int number);
}
public class sub implements ExampleInterface {
public void doAction() {
//specify what must happen
}
public String doThis(int number) {
//specfiy what must happen
...
Which Architecture patterns are used on Android? [closed]
I'm doing a small research of mobile platforms and I would like to know which design patterns are used in Android?
12 Answe...
Using unset vs. setting a variable to empty
...
var= is not "not set". It's just an unquoted empty string. In addition to set -u, bash's various forms of parameter expansion can also distinguish between unset and null values: ${foo:bar} expands to "bar" when foo is unset, but "" when foo is null, while ${foo:-bar} expands ...
When is finally run if you throw an exception from the catch block?
...lock, the finally block gets called exactly zero times
static void Main(string[] args)
{
try
{
Console.WriteLine("in the try");
int d = 0;
int k = 0 / d;
}
catch (Exception e)
{
Console.WriteLine("in the catch");
throw;
}
...
Random hash in Python
...ier that has the same length as a md5 sum. Hex will represent is as an hex string instead of returning a uuid object.
http://docs.python.org/2/library/uuid.html
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Can I inject a service into a directive in AngularJS?
...
You can do injection on Directives, and it looks just like it does everywhere else.
app.directive('changeIt', ['myData', function(myData){
return {
restrict: 'C',
link: function (scope, element, attrs) {
scope.name = myData.name...
How can I parse a YAML file in Python
... 3.141,
1337,
'help',
u'€'
],
'a string': 'bla',
'another dict': {
'foo': 'bar',
'key': 'value',
'the answer': 42
}
}
# Write YAML file
with io.open('data.yaml', 'w', encoding='utf8') as outfile:
yaml.dump(data, outfile, ...
How to create custom exceptions in Java? [closed]
...nds Exception {
public FooException() { super(); }
public FooException(String message) { super(message); }
public FooException(String message, Throwable cause) { super(message, cause); }
public FooException(Throwable cause) { super(cause); }
}
Methods that can potentially throw or propagat...
jquery's append not working with svg element?
...
When you pass a markup string into $, it's parsed as HTML using the browser's innerHTML property on a <div> (or other suitable container for special cases like <tr>). innerHTML can't parse SVG or other non-HTML content, and even if it c...