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C#: how to get first char of a string?
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Just another approach:
string mystr = "hello";
MessageBox.show(mystr.Substring(0, 1));
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Open existing file, append a single line
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using (StreamWriter w = File.AppendText("myFile.txt"))
{
w.WriteLine("hello");
}
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Defining and using a variable in batch file
...the specified variable. e.g., set /p name="What is your name? " & echo Hello, %name%.
– Robert Mooney
Jul 29 '18 at 21:39
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LR性能测试结果样例分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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SSL Handshaking Time
显示建立SSL连接（包括客户端hello、服务器hello、客户端公用密钥传输、服务器证书传输和其他部分可选阶段）所用的时间。此时刻后，客户端和服务器之间的所有通信都被加密。SSL握手度量仅适用于HT...
Is cout synchronized/thread-safe?
...<< result << " seconds.";
// in another thread
cout << "Hello world! Hello " << name << "!";
You probably want each line here to act in mutual exclusion. But how can an implementation guarantee that?
In C++11, we do have some guarantees. The FDIS says the following ...
Learning assembly [closed]
...ton of boilerplate code to even simple executables: last time I compared, "Hello World" compiled by GCC was about 4kB, while if written by hand in assembly it's around 100 bytes. It's worse on Windows: last time I compared (admittedly, this was last century) the smallest "Hello World" I could get my...
AngularJS : Where to use promises?
...t;/script>
</head>
<body ng-app="myModule" ng-controller="HelloCtrl">
<h1>Messages</h1>
<ul>
<li ng-repeat="message in messages">{{ message }}</li>
</ul>
</body>
</html>
app.js
angular.module('myModule', [])
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ServiceStack vs ASP.Net Web API [closed]
...ents without any code-gen:
Sync C# Example
var response = client.Send<HelloResponse>(new Hello { Name = "World!" });
Async C# Example
client.SendAsync<HelloResponse>(new Hello { Name = "World!" },
r => Console.WriteLine(r.Result), (r, ex) => { throw ex; });
As it just re...
How do I send an HTML email?
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Set content type. Look at this method.
message.setContent("<h1>Hello</h1>", "text/html");
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How to call function of one php file from another php file and pass parameters to it?
...2;
}
file2.php
<?php
require_once('file1.php');
func1('Hello', 'world');
See manual
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