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Need to understand the usage of SemaphoreSlim
...m, 5 pairs of footprints.
As the kids arrive, they leave their shoes on a free pair of footprints and enter the room.
Once they are done playing they come out, collect their shoes and "release" a slot for another kid.
If a kid arrives and there are no footprints left, they go play elsewhere or ju...
What is the difference between a Docker image and a container?
...
@VictorDombrovsky A stopped container is a cake in the freezer.
– Jacob Ford
May 11 '18 at 14:12
51
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Are parallel calls to send/recv on the same socket valid?
...entrant (safe to call from threads) and which are not. I'm not aware of a free online copy available anywhere, unfortunately.
– Chris Dodd
Jul 19 '16 at 15:16
2
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Volatile Vs Atomic [duplicate]
...cording to the java docs:
A small toolkit of classes that support lock-free thread-safe
programming on single variables. In essence, the classes in this
package extend the notion of volatile values, fields, and array
elements to those that also provide an atomic conditional update
operat...
What does “./bin/www” do in Express 4.x?
...starting the app. They are just suggestions made by the generator, so feel free to modify them to suit your needs.
To get rid of the www directory and keep things the “Express 3 way”, delete the line that says module.exports = app; at the end of the app.js file, then paste the following code in...
How can you find the height of text on an HTML canvas?
...- first;
}
// We screwed something up... What do you expect from free code?
return 0;
}
// Set the font
context.mozTextStyle = '32px Arial';
// Specify a context and a rect that is safe to draw in when calling measureTextHeight
var height = measureTextHeight(context, 0, 0, 50, 50);
c...
adding noise to a signal in python
...ver noise. Receiver noise could be measured by pointing the telescope into free space and calculating average power.
Either way, it's important to make sure that you add noise to your signal and take averages in the linear space and not in dB units.
Here's some code to generate a signal and plot ...
UICollectionView Set number of columns
...e) / CGFloat(nbCol))
return CGSize(width: size, height: size)
}
Feel free to change "nbCol" to your desired number of columns.
How can I obfuscate (protect) JavaScript? [closed]
...nstead, Open Source is a particular licensing model granting permission to freely use and modify your code. If you don't grant such a license then people copying your code are in violation and (in most of the world) you have legal options to stop them.
The only way you can really protect your code ...
When to use AtomicReference in Java?
...ays succeed. You need to ensure that the lambda you pass in is side-effect-free though because it may be called multiple times.
– Tom Dibble
Dec 9 '15 at 17:02
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