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Unique constraint that allows empty values in MySQL
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edited Oct 31 '12 at 19:00
EricC
97611 gold badge1616 silver badges3232 bronze badges
answered...
“Delegate subtraction has unpredictable result” in ReSharper/C#?
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edited Nov 5 '12 at 20:02
answered Jun 24 '12 at 18:32
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When do I use fabs and when is it sufficient to use std::abs?
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124
In C++, it's always sufficient to use std::abs; it's overloaded for all the numerical types.
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How do you get a Golang program to print the line number of the error it just called?
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122
You can set the Flags on either a custom Logger, or the default to include Llongfile or Lshortf...
How to access parameters in a RESTful POST method
...{
@XmlElement public String param1;
@XmlElement public String param2;
}
Then your @POST method would look like the following:
@POST @Consumes("application/json")
@Path("/create")
public void create(final MyJaxBean input) {
System.out.println("param1 = " + input.param1);
System.out...
How do I convert a Vector of bytes (u8) to a string
...ing buf: &[u8]
//
fn main() {
let buf = &[0x41u8, 0x41u8, 0x42u8];
let s = match str::from_utf8(buf) {
Ok(v) => v,
Err(e) => panic!("Invalid UTF-8 sequence: {}", e),
};
println!("result: {}", s);
}
The conversion is in-place, and does not require a...
How to conditionally push an item in an observable array?
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223
An observableArray exposes an indexOf function (wrapper to ko.utils.arrayIndexOf). This allow...
Check if class already assigned before adding
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edited Aug 24 '15 at 13:07
Robert Koritnik
95.1k4747 gold badges258258 silver badges381381 bronze badges
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Combine :after with :hover
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236
Just append :after to your #alertlist li:hover selector the same way you do with your #alertli...