大约有 44,000 项符合查询结果(耗时:0.0411秒) [XML]

https://stackoverflow.com/ques... 

eclipse won't start - no java virtual machine was found

...nning fine yesterday (and has been since I installed it about a year ago). Now all the sudden I'm getting the following error on startup: ...
https://stackoverflow.com/ques... 

Best TCP port number range for internal applications [closed]

...ients without specifying port 1023 since it hooks you up to a server that knows nothing of the telnet protocol - we have to break out of the telnet client and do it properly: telnet big_honking_mainframe_box.com 1023 If you really can't make the client side configurable, pick one in the second ra...
https://stackoverflow.com/ques... 

How to put a delay on AngularJS instant search?

... UPDATE Now it's easier than ever (Angular 1.3), just add a debounce option on the model. <input type="text" ng-model="searchStr" ng-model-options="{debounce: 1000}"> Updated plunker: http://plnkr.co/edit/4V13gK Documentatio...
https://stackoverflow.com/ques... 

What are the use cases for selecting CHAR over VARCHAR in SQL?

...mption that char uses less processing power than varchar may be true...for now...but database engines get better over time and this sort of general rule has the making of a future "myth". Another thing: I have never seen a performance problem because someone decided to go with varchar. You will ma...
https://stackoverflow.com/ques... 

What is the apply function in Scala?

...val f = (x:Int) => x + 1 Since everything is an object in Scala f can now be treated as a reference to Function1[Int,Int] object. For example, we can call toString method inherited from Any, that would have been impossible for a pure function, because functions don't have methods: f.toString...
https://stackoverflow.com/ques... 

How to change the default encoding to UTF-8 for Apache?

...icle. AddDefaultCharset utf-8 But I have to use Chinese characters now and then. Previously, I translated Chinese characters to Unicode code and include it in the document using the &# hack. But it is only useful for page having a few characters. There is a better way to do ...
https://stackoverflow.com/ques... 

How to check if object property exists with a variable holding the property name?

...otypeOf(yoshi, hattori); if ("sneak" in yoshi) console.log("Yoshi can now sneak"); if (!("creep" in hattori)) console.log("Hattori cannot creep"); Object.setPrototypeOf(hattori, kuma); if ("creep" in hattori) console.log("Hattori can now creep"); if ("creep" in yoshi) console.log(...
https://stackoverflow.com/ques... 

C# getting the path of %AppData%

...nment.SpecialFolder.ApplicationData), I was behind this for couple of days now. – Sumit Ghosh May 28 '10 at 13:43 1 ...
https://stackoverflow.com/ques... 

What optimizations can GHC be expected to perform reliably?

GHC has a lot of optimizations that it can perform, but I don't know what they all are, nor how likely they are to be performed and under what circumstances. ...
https://stackoverflow.com/ques... 

How do you delete a column by name in data.table?

...hough data.table is gradually moving away from using this argument so it's now discouraged where you can avoid it; showing here so you know the option exists in case you really do need it: # Method 5a (like Method 3) df3[, !"foo", with=FALSE] # Method 5b (like Method 4) df3[, !grep("^foo$", names(...