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When do we need curly braces around shell variables?
...ing practice. This is both for consistency and to avoid surprises like $foo_$bar.jpg, where it's not visually obvious that the underscore becomes part of the variable name.
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Performance of Arrays vs. Lists
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The link mentioned in the above comment by Jon to Jon Skeet's blog was broken. Below is the updated link. codeblog.jonskeet.uk/2009/01/29/…
– Josh DeLong
Oct 20 '14 at 13:54
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Can a C# lambda expression have more than one statement?
...ven without curly brackets:
Action<int, int> action = (x, y) => (_, _) = (X += x, Y += y);
and
Action<int, int> action = (x, y) => _ = (X += x, Y += y);
would be the same as:
Action<int, int> action = (x, y) => { X += x; Y += y; };
This also might be helpful if yo...
Getting the object's property name
...DN
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/keys
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Most efficient way to create a zero filled JavaScript array?
...ke it because it's short and self-describing.
It's still not in IE (check compatibility), but there's a polyfill available.
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Fastest way to flatten / un-flatten nested JSON objects
I threw some code together to flatten and un-flatten complex/nested JSON objects. It works, but it's a bit slow (triggers the 'long script' warning).
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What's the cause of this FatalExecutionEngineError in .NET 4.5 beta? [closed]
...d .cctor() cil managed
{
// Code size 11 (0xb)
.maxstack 8
IL_0000: ldstr ""
IL_0005: stsfld string System.String::Empty
IL_000a: ret
} // end of method String::.cctor
In the .NET 4.5 version of mscorlib.dll, String.cctor (the static constructor) is conspicuously abse...
Is there a way to detect if an image is blurry?
...ed image and takes the average of the 90% highest frequencies:
testFft[img_] := Table[
(
blurred = GaussianFilter[img, r];
fft = Fourier[ImageData[blurred]];
{w, h} = Dimensions[fft];
windowSize = Round[w/2.1];
Mean[Flatten[(Abs[
fft[[w/2 - windowSize ;; w/2 + windowSize,
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Mark parameters as NOT nullable in C#/.NET?
...nts null from being passed in C#/.NET? Ideally this would also check at compile time to make sure the literal null isn't being used anywhere for it and at run-time throw ArgumentNullException .
...
file_put_contents(meta/services.json): failed to open stream: Permission denied
I am new to Laravel. I was trying to open http://localhost/test/public/ and I got
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