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Why does (0 < 5 < 3) return true?
...he programmer uses to explicitly check a type. This is implicit conversion from a boolean to an integer.
– erickson
Nov 4 '10 at 18:27
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How can I convert a long to int in Java?
...ld more information than an int, so it's not possible to perfectly convert from long to int, in the general case. If the long holds a number less than or equal to Integer.MAX_VALUE you can convert it by casting without losing any information.
For example, the following sample code:
System.out.printl...
Convert a positive number to negative in C#
... single flaw. It doesn't work for all integers. The range of Int32 type is from "-231" to "231 - 1." It means there's one more "negative" number. Consequently, Math.Abs(int.MinValue) throws an OverflowException.
The correct way is to use conditional statements:
int neg = n < 0 ? n : -n;
This...
Using Laravel Homestead: 'no input file specified'
...means "c:/windows/users/yourname/" so there will be your sincronized files from vagrant to your host
– gtamborero
Jan 31 '18 at 10:46
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How to take a screenshot programmatically on iOS
...Context:UIGraphicsGetCurrentContext()];
UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
NSData *imageData = UIImagePNGRepresentation(image);
if (imageData) {
[imageData writeToFile:@"screenshot.png" atomically:YES];
} else {
NSLog(@"error while taki...
Can lambda functions be templated?
...l and stick to monomorphic lambdas.
However, with the removal of concepts from C++0x, polymorphic lambdas become a simple proposition again. However, I can't find any proposals for it. :(
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How do I fix “for loop initial declaration used outside C99 mode” GCC error?
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For anyone attempting to compile code from an external source that uses an automated build utility such as Make, to avoid having to track down the explicit gcc compilation calls you can set an environment variable. Enter on command prompt or put in .bashrc (or .b...
How to remove trailing whitespaces with sed?
I have a simple shell script that removes trailing whitespace from a file. Is there any way to make this script more compact (without creating a temporary file)?
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How can I disable logging of asset pipeline (sprockets) messages in Ruby on Rails 3.1?
...A proper Rack middleware solution (instead of fragile alias_method_chain) from @macournoyer https://github.com/rails/rails/issues/2639#issuecomment-6591735
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.Contains() on a list of custom class objects
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You need to create a object from your list like:
List<CartProduct> lst = new List<CartProduct>();
CartProduct obj = lst.Find(x => (x.Name == "product name"));
That object get the looked value searching by their properties: x.name
Th...