大约有 47,000 项符合查询结果（耗时：0.0968秒） [XML]
400 BAD request HTTP error code meaning?
...
Keep in mind that client developer may do strange things and try to parse strings which you return as human readable description. And by changing the strings you will break such badly written clients. So always provide machine readable description and try to avoid reporting additional information i...
Routing with Multiple Parameters using ASP.NET MVC
...ethods. Given an action like the following:
public ActionResult GetImages(string artistName, string apiKey)
MVC will auto-populate the parameters when given a URL like:
/Artist/GetImages/?artistName=cher&apiKey=XXX
One additional special case is parameters named "id". Any parameter named ...
Randomize a List
...namespace SimpleLottery
{
class Program
{
private static void Main(string[] args)
{
var numbers = new List<int>(Enumerable.Range(1, 75));
numbers.Shuffle();
Console.WriteLine("The winning numbers are: {0}", string.Join(", ", numbers.GetRange(0, 5)));
}
}
...
Android: How can I get the current foreground activity (from a service)?
...nentName = new ComponentName(
event.getPackageName().toString(),
event.getClassName().toString()
);
ActivityInfo activityInfo = tryGetActivity(componentName);
boolean isActivity = activityInfo != null;
...
input() error - NameError: name '…' is not defined
...es whatever your enter, as a Python expression. If you simply want to read strings, then use raw_input function in Python 2.7, which will not evaluate the read strings.
If you are using Python 3.x, raw_input has been renamed to input. Quoting the Python 3.0 release notes,
raw_input() was rename...
How to parse a JSON string into JsonNode in Jackson?
...
A slight variation on Richards answer but readTree can take a string so you can simplify it to:
ObjectMapper mapper = new ObjectMapper();
JsonNode actualObj = mapper.readTree("{\"k1\":\"v1\"}");
share
...
How do I implement basic “Long Polling”?
...ew message arrives).
Here is a really basic example, which sends a simple string after 2-10 seconds. 1 in 3 chance of returning an error 404 (to show error handling in the coming Javascript example)
msgsrv.php
<?php
if(rand(1,3) == 1){
/* Fake an error */
header("HTTP/1.0 404 Not Found...
Variable is accessed within inner class. Needs to be declared final
...}
});
}
public void configure(){
String one = etOne.getText().toString();
String two = etTwo.getText().toString();
}
}
share
|
improve this...
Node.js spawn child process and get terminal output live
...vailable:
child.stdout.on('data', function(data) {
console.log(data.toString());
});
Further, there appear to be options whereby you can detach the spawned process from Node's controlling terminal, which would allow it to run asynchronously. I haven't tested this yet, but there are examples i...
What is a callback?
...a semantic Func or Action.
public delegate void WorkCompletedCallBack(string result);
public void DoWork(WorkCompletedCallBack callback)
{
callback("Hello world");
}
public void Test()
{
WorkCompletedCallBack callback = TestCallBack; // Notice that I am ref...