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How to get the number of characters in a std::string?
...d::cout << str << ":" << str.length();
// Outputs "hello:5"
If you're using a c-string, call strlen().
const char *str = "hello";
std::cout << str << ":" << strlen(str);
// Outputs "hello:5"
Or, if you happen to like using Pascal-style strings (or f***** stri...
Add new field to every document in a MongoDB collection
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5 Answers
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HTML text input allow only numeric input
...}
jQuery
There is also a jQuery version of this. See this answer.
HTML 5
HTML 5 has a native solution with <input type="number"> (see the specification), but note that browser support varies:
Most browsers will only validate the input when submitting the form, and not when typing.
Most ...
'Microsoft.SqlServer.Types' version 10 or higher could not be found on Azure
...trying to make a webapi in ASP.NET MVC 4. The webapi used Entity Framework 5 Spatial types and i have wrote a very simple code.
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How to vertically center a div for all browsers?
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45 Answers
45
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Best way to convert string to bytes in Python 3?
...earray type is a mutable sequence of integers in the range 0 <= x < 256. It has most of the usual methods of mutable sequences, described in Mutable Sequence Types, as well as most methods that the bytes type has, see Bytes and Byte Array Methods.
The optional source parameter can be used to i...
How to convert string into float in JavaScript?
...s from a datagrid. The fields are numeric, and when they have a comma (ex. 554,20), I can't get the numbers after the comma. I've tried parseInt and parseFloat . How can I do this?
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How to test if a string is basically an integer in quotes using Ruby
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135
You can use regular expressions. Here is the function with @janm's suggestions.
class String
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Property getters and setters
...ue }
get { return _x / 2 }
}
}
Specifically, in the Swift REPL:
15> var pt = Point()
pt: Point = {
_x = 0
}
16> pt.x = 10
17> pt
$R3: Point = {
_x = 20
}
18> pt.x
$R4: Int = 10
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Parse query string in JavaScript [duplicate]
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answered Jan 19 '10 at 5:34
TarikTarik
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