大约有 2,220 项符合查询结果(耗时:0.0216秒) [XML]

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How to format strings in Java

...sing it. For example the following code MessageFormat.format("Number {0}", 1234)); depending on default locale can produce Number 1,234 instead of Number 1234. – pavel_kazlou Dec 4 '12 at 10:25 ...
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Identify if a string is a number

... int n; bool isNumeric = int.TryParse("123", out n); Update As of C# 7: var isNumeric = int.TryParse("123", out int n); or if you don't need the number you can discard the out parameter var isNumeric = int.TryParse("123", out _); The var s can be replaced ...
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How to convert SecureString to System.String?

... Andrew ArnottAndrew Arnott 72.7k2424 gold badges123123 silver badges162162 bronze badges ...
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How to Query an NTP Server using C#?

...ntry(ntpServer).AddressList; //The UDP port number assigned to NTP is 123 var ipEndPoint = new IPEndPoint(addresses[0], 123); //NTP uses UDP using(var socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp)) { socket.Connect(ipEndPoint); ...
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A semantics for Bash scripts?

...ion. $ foo() { echo $x; } $ bar() { local x; echo $x; } $ foo $ bar $ x=123 $ foo 123 $ bar $ … Environment and process "scope" Subshells inherit the variables of their parent shells, but other kinds of processes don't inherit unexported names. $ x=123 $ ( echo $x ) 123 $ bash -c 'echo $x'...
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Why does PHP consider 0 to be equal to a string?

...alse. But what if I do need to compare numbers as strings with numbers? "123" === 123 evaluates false because the left and right term are of different type. What is actually needed is a weak comparison without the pitfalls of PHP type juggling. The solution is to explicit promote the terms to ...
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array_push() with key value pair

... Warning: $a['123'] = 456; - string '123' is converted to integer key 123. – bancer Jul 2 at 12:58 1 ...
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Check whether variable is number or string in JavaScript

...constructors, you can use typeof:. typeof "Hello World"; // string typeof 123; // number If you're creating numbers and strings via a constructor, such as var foo = new String("foo"), you should keep in mind that typeof may return object for foo. Perhaps a more foolproof method of che...
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jQuery document.createElement equivalent?

...lease notice that a is a jQuery object while b is a html element: a.html('123') // [<div>​123​</div>​] b.html('123') // TypeError: Object [object HTMLDivElement] has no method 'html' $(b).html('123') // [<div>​123​</div>​] ...
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How can I remove all text after a character in bash?

... @kp123: It's the first example in my answer. The second time I show it (where "tomorrow" is removed), it's almost exactly the situation you're asking about. – Paused until further notice. A...