大约有 48,000 项符合查询结果(耗时:0.0727秒) [XML]

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How do I see if Wi-Fi is connected on Android?

...d be noted (for us n00bies here) that you need to add <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" /> to your AndroidManifest.xml for this to work. NOTE2: public NetworkInfo getNetworkInfo (int networkType) is now deprecated: This method was deprecated in AP...
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Get DateTime.Now with milliseconds precision

...esolution of around 10-15 ms. See Eric Lippert's blog post about precision and accuracy for more details. If you need more accurate timing than this, you may want to look into using an NTP client. However, it's not clear that you really need millisecond accuracy here. If you don't care about the e...
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How to jump to a specific character in vim?

... You can type f<character> to put the cursor on the next character and F<character> for the previous one. share | improve this answer | follow | ...
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How To: Best way to draw table in console app (C#)

... If you don't need table edges and corners, this works well. Don't forget to use the PadRight(x) or PadLeft(x) to help you with your spacing. For what I needed, I just needed something easy to read, and after removing the |s this did the trick. ...
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How to Convert all strings in List to lower case using LINQ?

... And string is immutable :P – Sherlock Jul 29 '16 at 10:03 add a comment  |  ...
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Why does PostgreSQL perform sequential scan on indexed column?

...Also, a sequential scan can request several pages from the heap at a time, and ask the kernel to be fetching the next chunk while it works on the current one- an index scan fetches one page at once. (A bitmap scan does a compromise between the two, you usually see that appearing in a plan for querie...
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Simplest way to do a fire and forget method in C#?

...perationContract(IsOneWay = true)] attribute. But WCF seems kind of slow and heavy just to do create a nonblocking function. Ideally there would be something like static void nonblocking MethodFoo(){} , but I don't think that exists. ...
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#ifdef in C#

...defined"); #elif (DEBUG && VC_V7) Console.WriteLine("DEBUG and VC_V7 are defined"); #else Console.WriteLine("DEBUG and VC_V7 are not defined"); #endif } } Only useful for excluding parts of methods. If you use #if to exclude some method from compilation then you will h...
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What is the best way to get all the divisors of a number?

...e dumb way (stopping at n/2) very cool, thank you! – Andrea Ambu Oct 5 '08 at 10:20 47 For those ...
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Format XML string to print friendly XML string

... result = formattedXml; } catch (XmlException) { // Handle the exception } mStream.Close(); writer.Close(); return result; } share | improve this answer ...