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What does the exclamation mark mean in a Haskell declaration?
...nd what the exclamation mark in front of each argument means and my books didn't seem to mention it.
3 Answers
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How do I reflect over the members of dynamic object?
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If the IDynamicMetaObjectProvider can provide the dynamic member names, you can get them. See GetMemberNames implementation in the apache licensed PCL library Dynamitey (which can be found in nuget), it works for ExpandoObjects and ...
How to declare constant map
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10 : "X",
9 : "IX",
5 : "V",
4 : "IV",
1 : "I",
}
Inside a func you can declare it like:
romanNumeralDict := map[int]string{
...
And in Go there is no such thing as a constant map. More information can be found here.
Try it out on the Go playground.
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A html space is showing as %2520 instead of %20
...ing you want to link to the resource C:\my path\my file.html:
if you provide a local file path only, the browser is expected to encode and protect all characters given (in the above, you should give it with spaces as shown, since % is a valid filename character and as such it will be encoded) when...
How do you plot bar charts in gnuplot?
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Simple bar graph:
set boxwidth 0.5
set style fill solid
plot "data.dat" using 1:3:xtic(2) with boxes
data.dat:
0 label 100
1 label2 450
2 "bar label" 75
If you want to style your bars differently, you can do something like:
set styl...
The bare minimum needed to write a MSMQ sample application
...uld use Message objects to send the message, wrap your own class object inside it, and mark your class as serializable. Also be sure that MSMQ is installed on your system
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What are dictionary view objects?
...ver a dictionary while modifying it.
– Ioannis Filippidis
Sep 30 '17 at 20:03
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Why is React's concept of Virtual DOM said to be more performant than dirty model checking?
...odels but does compare much bigger virtual dom 2) Dirty-check of model provide us with ability to update only what needed too (as Angular does)
– Daniil
Jan 14 '14 at 15:41
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Injecting $state (ui-router) into $http interceptor causes circular dependency
...romise) {
return promise.then(success, error);
}
}];
$httpProvider.responseInterceptors.push(interceptor);
The Cause
angular-ui-router injects the $http service as a dependency into $TemplateFactory which then creates a circular reference to $http within the $httpProvider itself upon...
How do I change bash history completion to complete what's already on the line?
...nothing and putting it in .bashrc stop the arrows from doing anything. Any ideas?
– blokkie
Jun 23 '09 at 1:31
Never m...