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Socket.io rooms difference between broadcast.to and sockets.in
Socket.io's readme contains the following example:
5 Answers
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Representing and solving a maze given an image
... can do it simply by controlling sliders in Photoshop in Image -> Adjustments -> Black & White.
Convert image to binary by setting appropriate threshold in Photoshop in Image -> Adjustments -> Threshold.
Make sure threshold is selected right. Use the Magic Wand Tool with 0 tolerance,...
'any' vs 'Object'
... more restrictive than any. For example:
let a: any;
let b: Object;
a.nomethod(); // Transpiles just fine
b.nomethod(); // Error: Property 'nomethod' does not exist on type 'Object'.
The Object class does not have a nomethod() function, therefore the transpiler will generate an error telling yo...
Python vs Bash - In which kind of tasks each one outruns the other performance-wise? [closed]
...usually faster. I even found this that claims that you can see an improvement of over 2000% on dictionary-based operations.
...
64-bit version of Boost for 64-bit windows
...d notes for having VS .NET 2008 32-bit and 64-bit boost libraries in the same hierarchy (which is I suspect a common use case):
Build the win32 binaries
bjam --toolset=msvc-9.0 --build-type=complete stage
Create the directory lib\win32
Move the contents of stage\lib to lib\win32
Remove the direc...
How to access maven.build.timestamp for resource filtering
I am using maven 3.0.4 and would like to make the build timestamp accessible to my application. For this, I'm putting a placeholder in a .properties file and let maven filter on build. While this is working fine for ${project.version} , ${maven.build.timestamp} is not substituted on filtering. ...
Simple argparse example wanted: 1 argument, 3 results
The documentation for the argparse python module , while excellent I'm sure, is too much for my tiny beginner brain to grasp right now. I don't need to do math on the command line or meddle with formatting lines on the screen or change option characters. All I want to do is "If arg is A, do this...
Detect network connection type on Android
...lem is to find whether the phone's network is connected and fast enough to meet your demands you have to handle all the network types returned by getSubType().
It took me an hour or two to research and write this class to do just exactly that, and I thought I would share it with others that might f...
Explaining difference between automaticallyAdjustsScrollViewInsets, extendedLayoutIncludesOpaqueBars
... in iOS7, the view controllers use full-screen layout by default. At the same time, you have more control over how it lays out its views, and that's done with those properties:
edgesForExtendedLayout
Basically, with this property you set which sides of your view can be extended to cover the whole ...
What is a “context bound” in Scala?
...t covers the new context bound feature, within the context of array improvements.
Generally, a type parameter with a context bound is of the form [T: Bound]; it is expanded to plain type parameter T together with an implicit parameter of type Bound[T].
Consider the method tabulate which forms ...