大约有 40,000 项符合查询结果(耗时:0.0444秒) [XML]

https://stackoverflow.com/ques... 

How do I check if a number evaluates to infinity?

... required me to check if the value is of the NaN or Infinity type but pass strings as valid results. Because many text strings will produce false-positive NaN, I've made a simple solution to circumvent that: const testInput = input => input + "" === "NaN" || input + "" === "Infinity"; The a...
https://stackoverflow.com/ques... 

Only variables should be passed by reference

... I agree. There's no point in using string manipulation to parse file paths when you have appropriate APIs to do so. – gd1 Jan 7 '14 at 7:43 ...
https://stackoverflow.com/ques... 

Is there a way to crack the password on an Excel VBA Project?

...te Declare Function GetModuleHandleA Lib "kernel32" (ByVal lpModuleName As String) As Long Private Declare Function GetProcAddress Lib "kernel32" (ByVal hModule As Long, _ ByVal lpProcName As String) As Long Private Declare Function DialogBoxParam Lib "user32" Alias "DialogBoxParamA" (ByVa...
https://stackoverflow.com/ques... 

Wrap a delegate in an IEqualityComparer

...lustrating this. Say I have the following type: class Value { public string Name { get; private set; } public int Number { get; private set; } public Value(string name, int number) { Name = name; Number = number; } public override string ToString() { ...
https://stackoverflow.com/ques... 

Reliable method to get machine's MAC address in C#

...alStatus == OperationalStatus.Up select nic.GetPhysicalAddress().ToString() ).FirstOrDefault(); Or: String firstMacAddress = NetworkInterface .GetAllNetworkInterfaces() .Where( nic => nic.OperationalStatus == OperationalStatus.Up && nic.NetworkInterfaceType != Netwo...
https://stackoverflow.com/ques... 

GCM with PHP (Google Cloud Messaging)

...etopt($ch, CURLOPT_HTTPHEADER, $headers); // Get the response back as string instead of printing it curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); // Set JSON post data curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($post)); // Actually send the request $resu...
https://stackoverflow.com/ques... 

Do try/catch blocks hurt performance when exceptions are not thrown?

... 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) ...
https://stackoverflow.com/ques... 

How can Xml Documentation for Web Api include documentation from beyond the main project?

...gt;(); b. Replace the constructor with: public XmlDocumentationProvider(string appDataPath) { if (appDataPath == null) { throw new ArgumentNullException("appDataPath"); } var files = new[] { "XmlDocument.xml", "Subproject.xml" }; foreach (var file in files) { ...
https://stackoverflow.com/ques... 

check android application is in foreground or not? [duplicate]

...ses(); if (appProcesses == null) { return false; } final String packageName = context.getPackageName(); for (RunningAppProcessInfo appProcess : appProcesses) { if (appProcess.importance == RunningAppProcessInfo.IMPORTANCE_FOREGROUND && appProcess.processName.equal...
https://www.tsingfun.com/it/cpp/1505.html 

使用std::string作为std::map的key出错解决 - C/C++ - 清泛网 - 专注C/C++及内核技术

使用std::string作为std::map的key出错解决c: program files (x86) microsoft visual studio 11.0 vc include xstddef(180): error C2784: bool std::operator <(const st...c:\program files (x86)\microsoft visual studio 11.0\vc\include\xstddef(180): error C2784: “bool std::operator <(const std:...