大约有 23,000 项符合查询结果（耗时：0.0348秒） [XML]
How to scroll up or down the page to an anchor using jQuery?
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@Rob javascript does not have string interpolation, so using + with strings or vars concatenates them, like: "#some_anchor". Really, the second concat anchor_id + "" is not needed, I believe.
– onebree
Sep 26 '16 at ...
Do try/catch blocks hurt performance when exceptions are not thrown?
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Check it.
static public void Main(string[] args)
{
Stopwatch w = new Stopwatch();
double d = 0;
w.Start();
for (int i = 0; i < 10000000; i++)
{
try
{
d = Math.Sin(1);
}
catch (Exception ex)
...
Why use finally in C#?
...ad with db requests
SqlConnection myConn = new SqlConnection("Connectionstring");
try
{
myConn.Open();
//make na DB Request
}
catch (Exception DBException)
{
//do somehting with exception
}
...
Convert list to dictionary using linq and not worrying about duplicates
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Or create the dictionary with a StringComparer that will ignore the case, if thats what you need, then your adding/checking code doesn't care if you're ignoring case or not.
– Binary Worrier
Jul 23 '10 at 15:06
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Java using enum with switch statement
... a few usages of Java enum:
.name() allows you to fetch the enum name in String.
.ordinal() allow you to get the integer value, 0-based.
You can attach other value parameters with each enum.
and, of course, switch enabled.
enum with value parameters:
enum StateEnum {
UNDEFINED_POLL ...
How to get the request parameters in Symfony 2?
... uses, but it actually makes more sense. $_GET data is data from the query string (no GET request needed at all) and $_POST data is data from the request body (does not have to be a POST request either, could be PUT).
– igorw
Mar 20 '12 at 15:43
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How to change the timeout on a .NET WebClient object
...ut = Timeout;
return lWebRequest;
}
}
private string GetRequest(string aURL)
{
using (var lWebClient = new WebClient())
{
lWebClient.Timeout = 600 * 60 * 1000;
return lWebClient.DownloadString(aURL);
}
}
...
Test if number is odd or even
... I use bitwise operators in JS quite a bit. For example if (~string.indexOf("@")) {} instead of if (string.indexOf("@") !== -1) {}. I prefer to see conditions result in a simple true or false. But yes, it can be a little confusing to people that aren't familiar with this syntax.
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WebClient vs. HttpWebRequest/HttpWebResponse
.... WebClient has a Headers property, you can retrieve the cookie like this: String cookie = webClient.ResponseHeaders(“Set-Cookie”) and set it: webClient.Headers.Add("Cookie", "CommunityServer-UserCookie…");
– Dan
Nov 7 '09 at 21:23
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What is the relationship between Looper, Handler and MessageQueue in Android?
...em.out.println("Hello from a thread!");
}
public static void main(String args[]) {
(new Thread(new HelloRunnable())).start();
}
}
Now, let's apply this simple principle to Android app. What would happen if an Android app is run on a normal thread? A thread called "main" or "UI...