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How does collections.defaultdict work?
...clusion, whenever you need a dictionary, and each element’s value should start with a default value, use a defaultdict.
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Undo a merge by pull request?
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Starting June 24th, 2014, you can try cancel a PR easily (See "Reverting a pull request") with:
Introducing the Revert Button
you can easily revert a pull request on GitHub by clicking Revert:
You'll be prompted t...
Storyboard - refer to ViewController in AppDelegate
...stantiated it again and assigned it again. Your app is off to a pretty bad start!
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Why should we include ttf, eot, woff, svg,… in a font-face
...pter that explains how to model a font purely using SVG markup, and people start to use it. More time passes and it turns out that they are absolutely terrible compared to just a normal font format, and SVG 2 wisely removes the entire chapter again.
Then, woff gets invented by people with quite a bi...
What data is stored in Ephemeral Storage of Amazon EC2 instance?
...e information on the root volume will still be in the same state when you "start" the machine again. According to the documentation, "By default, the root device volume and the other Amazon EBS volumes attached when you launch an Amazon EBS-backed instance are automatically deleted when the instanc...
Automatic prune with Git fetch or pull
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@Andrew a good start would be git config --global fetch.prune true
– VonC
Jun 2 '15 at 6:42
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Why doesn't Dijkstra's algorithm work for negative weight edges?
...will be talking about the Dijkstra's Algorithm as implemented below,
So starting out the values (the distance from the source to the vertex) initially assigned to each vertex are,
We first extract the vertex in Q = [A,B,C] which has smallest value, i.e. A, after which Q = [B, C]. Note A has a...
CSS: bolding some text without changing its container's size
...is the best and most underrated solution, although I changed it so that it starts out with 0 and goes to negative letter spacing when bold. also you have to fine-tune it for each font and font-size. I also updated @Thorgeir's fiddle to include this (as the 2nd solution) jsfiddle.net/dJcPn/50/
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C++ lambda with captures as a function pointer
...ng with C++ lambdas and their implicit conversion to function pointers. My starting example was using them as callback for the ftw function. This works as expected.
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Best way to implement request throttling in ASP.NET MVC?
...It's now released and bundled with IIS as of version 8 - iis.net/learn/get-started/whats-new-in-iis-8/…
– Matthew Steeples
Nov 16 '15 at 12:13
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