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How to create PDFs in an Android app? [closed]
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155
If anyone wants to generate PDFs on Android device, here is how to do it:
http://sourceforge....
How can I delete one element from an array by value
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15 Answers
15
Active
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How to get number of rows using SqlDataReader in C#
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edited May 2 '17 at 1:25
answered Sep 5 '09 at 13:25
Hen...
How do you round to 1 decimal place in Javascript?
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Math.round(num * 10) / 10 works, here is an example...
var number = 12.3456789
var rounded = Math.round(number * 10) / 10
// rounded is 12.3
if you want it to have one decimal place, even when that would be a 0, then add...
var fixed = rounded.toFixed(1)
// fixed is always to 1 d.p.
// NOTE: .t...
What is the formal difference in Scala between braces and parentheses, and when should they be used?
...ar x = 0 // declaration
while (x < 10) { x += 1 } // stuff
(x % 5) + 1 // expression
}
( expression )
So, if you need declarations, multiple statements, an import or anything like that, you need curly braces. And because an expression is a statement, parenthesis may appear inside curly ...
Number of elements in a javascript object
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158
Although JS implementations might keep track of such a value internally, there's no standard wa...
What is the difference between is_a and instanceof?
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Update
As of PHP 5.3.9, the functionality of is_a() has changed. The original answer below states that is_a() must accept an Object as the first argument, but PHP versions >= 5.3.9 now accept an optional third boolean argument $allow_strin...
How to implode array with key and value without foreach in PHP
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community wiki
5 revs, 3 users 47%robsch
7
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Quickest way to convert a base 10 number to any base in .NET?
...sentation in a specified base.
Example:
string binary = Convert.ToString(5, 2); // convert 5 to its binary representation
Console.WriteLine(binary); // prints 101
However, as pointed out by the comments, Convert.ToString only supports the following limited - but typically sufficien...
How do I print a double value without scientific notation using Java?
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You could use printf() with %f:
double dexp = 12345678;
System.out.printf("dexp: %f\n", dexp);
This will print dexp: 12345678.000000. If you don't want the fractional part, use
System.out.printf("dexp: %.0f\n", dexp);
This uses the format specifier language explained in...