大约有 23,000 项符合查询结果(耗时:0.0349秒) [XML]

https://stackoverflow.com/ques... 

Do Java arrays have a maximum size?

...5. Once you go beyond that: public class Foo { public static void main(String[] args) { Object[] array = new Object[Integer.MAX_VALUE - 4]; } } You get: Exception in thread "main" java.lang.OutOfMemoryError: Requested array size exceeds VM limit ...
https://stackoverflow.com/ques... 

django test app error - Got an error creating the test database: permission denied to create databas

... sqlite3. 'HOST': '127.0.0.1', # Set to empty string for localhost. Not used with sqlite3. 'PORT': '', # Set to empty string for default. Not used with sqlite3. 'TEST': { 'NAME': 'test_finance', }, } } start ...
https://bbs.tsingfun.com/thread-513-1-1.html 

JAVA线程池管理及分布式HADOOP调度框架搭建 - 人工智能(AI) - 清泛IT社区,...

...public class OneMain {        public static void main(String[] args) throws InterruptedException {             Vector list = new Vector(100);              for (int i = 0; i < 100; i++) { &nbs...
https://stackoverflow.com/ques... 

Is there a tool to convert JavaScript files to TypeScript [closed]

...g would probably help you and you change the code to: var func=function(n:string){alert(n)}; var data={x:5}; data.z=6; But now this is no longer valid JavaScript code and will cause the compiler to generate lots of error messages. After all data has no member "z". ... This behaviour could be avo...
https://stackoverflow.com/ques... 

Detect a finger swipe through JavaScript on the iPhone and Android

...ll; this.yDown = null; this.element = typeof(element) === 'string' ? document.querySelector(element) : element; this.element.addEventListener('touchstart', function(evt) { this.xDown = evt.touches[0].clientX; this.yDown = evt.touches[0].clientY; ...
https://stackoverflow.com/ques... 

difference between foldLeft and reduceLeft in Scala

... For example: List(1,3,5).foldLeft(0) { _ + _ } List(1,3,5).foldLeft(List[String]()) { (a, b) => b.toString :: a } The foldLeft will apply the closure with the last folded result (first time using initial value) and the next value. reduceLeft on the other hand will first combine two values f...
https://stackoverflow.com/ques... 

What exactly does += do in python?

... # empty list x += "something" # iterates over the string and appends to list print(x) # ['s', 'o', 'm', 'e', 't', 'h', 'i', 'n', 'g'] versus x=[] # empty list x = x + "something" # TypeError: can only concatenate list (not "str") to list...
https://stackoverflow.com/ques... 

$location / switching between html5 and hashbang mode / link rewriting

...them function as normal otherwise reroute everything else. private const string ROOT_DOCUMENT = "/Index.html"; protected void Application_BeginRequest(Object sender, EventArgs e) { var path = Request.Url.AbsolutePath; var isApi = path.StartsWith("/api", StringComparison.InvariantCultureIg...
https://stackoverflow.com/ques... 

In Node.js, how do I “include” functions from my other files?

... file is included here: eval(fs.readFileSync('tools.js')+''); The empty string concatenation +'' is necessary to get the file content as a string and not an object (you can also use .toString() if you prefer). The eval() can't be used inside a function and must be called inside the global scope o...
https://stackoverflow.com/ques... 

How do I use reflection to invoke a private method?

...atic class AccessExtensions { public static object call(this object o, string methodName, params object[] args) { var mi = o.GetType ().GetMethod (methodName, System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance ); if (mi != null) { r...