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How do SQL EXISTS statements work?
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98
Think of it this way:
For 'each' row from Suppliers, check if there 'exists' a row in the Ord...
Convert javascript array to string
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123
Converting From Array to String is So Easy !
var A = ['Sunday','Monday','Tuesday','Wednesday'...
What's a correct and good way to implement __hash__()?
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Mark Amery
98.9k4848 gold badges336336 silver badges379379 bronze badges
answered May 25 '10 at 22:59
John Milli...
Why does auto a=1; compile in C?
...because the "everything is int" rule from C had already been dropped in C++98; the only thing that breaks is auto T a, which no-one was using anyway. (Somewhere in his papers on the history of the language, Stroustrup comments on this, but I can't find the exact reference right now.)
(*) String han...
HTML5: number input type that takes only integers?
... This is important to accept float numbers and repeat . only once, e.g. 123.556 can be writen.
– Tarek Kalaji
Jan 28 '17 at 15:54
9
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How to convert a currency string to a double with jQuery or Javascript?
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This example run ok
var currency = "$1,123,456.00";
var number = Number(currency.replace(/[^0-9\.]+/g,""));
console.log(number);
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LINQ: “contains” and a Lambda query
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Mark Amery
98.9k4848 gold badges336336 silver badges379379 bronze badges
answered Dec 29 '17 at 9:42
Soft-BrainS...
Checking if a double (or float) is NaN in C++
...ibrary defined by C99 are not part of current C++ standard ISO/IEC 14882:1998 neither its update ISO/IEC 14882:2003.
In 2005 Technical Report 1 was proposed. The TR1 brings compatibility with C99 to C++. In spite of the fact it has never been officially adopted to become C++ standard, many (GCC 4.0...
Check if a number has a decimal place/is a whole number
...ber and compare it to zero like so:
function Test()
{
var startVal = 123.456
alert( (startVal - Math.floor(startVal)) != 0 )
}
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follo...
How do I create a file AND any folders, if the folders don't exist?
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123
DirectoryInfo di = Directory.CreateDirectory(path);
Console.WriteLine("The directory was creat...