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Compiling/Executing a C# Source File in Command Prompt
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You can compile a C# program :
c: > csc Hello.cs
You can run the program
c: > Hello
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How can two strings be concatenated?
...an do two things:
concatenate values into one "string", e.g.
> paste("Hello", "world", sep=" ")
[1] "Hello world"
where the argument sep specifies the character(s) to be used between the arguments to concatenate,
or collapse character vectors
> x <- c("Hello", "World")
> x
[1] "Hell...
How do I replace a character at a particular index in JavaScript?
I have a string, let's say Hello world and I need to replace the char at index 3. How can I replace a char by specifying a index?
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How to concatenate strings in twig
...tion:
~: Converts all operands into strings and concatenates them. {{ "Hello
" ~ name ~ "!" }} would return (assuming name is 'John') Hello John!. – http://twig.sensiolabs.org/doc/templates.html#other-operators
And here is an example somewhere else in the docs:
{% set greeting = 'Hello' ...
'str' object does not support item assignment in Python
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I would like to write a program "Hello world" to "World Hello". So my code should search for space (' '). So I was looking for help
– Rasmi Ranjan Nayak
May 17 '12 at 7:26
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Android Json and null values
...n JSONObject.NULL exists: to represent a null JSON value.
json.getString("hello").equals(JSONObject.NULL); // should be false
json.getString("bye").equals(JSONObject.NULL); // should be true
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Execute a terminal command from a Cocoa app
...string from file data ---"
}
}
}
Usage:
let input = "echo hello"
let output = input.runAsCommand()
print(output) // prints "hello"
or just:
print("echo hello".runAsCommand()) // prints "hello"
Example:
@IBAction func toggleFinderShowAllFiles(_...
Java: how to initialize String[]?
...tialize the String array inside braces, { } as so,
String[] errorSoon = {"Hello", "World"};
which is equivalent to
String[] errorSoon = new String[2];
errorSoon[0] = "Hello";
errorSoon[1] = "World";
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Java how to replace 2 or more spaces with single space in string and delete leading and trailing spa
...nted out).
To test this out quickly try:
System.out.println(new String(" hello there ").trim().replaceAll("\\s{2,}", " "));
and it will return:
"hello there"
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How to get an MD5 checksum in PowerShell
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If the content is a string:
$someString = "Hello, World!"
$md5 = New-Object -TypeName System.Security.Cryptography.MD5CryptoServiceProvider
$utf8 = New-Object -TypeName System.Text.UTF8Encoding
$hash = [System.BitConverter]::ToString($md5.ComputeHash($utf8.GetBytes($s...