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Flatten nested dictionaries, compressing keys
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Basically the same way you would flatten a nested list, you just have to do the extra work for iterating the dict by key/value, creating new keys for your new dictionary and creating the dictionary at final step.
import collectio...
How do you prevent install of “devDependencies” NPM modules for Node.js (package.json)?
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The npm install command will install the devDependencies along other dependencies when run inside a package directory, in a development environment (the default).
Use npm install --only=prod (or --only=production) to install only depend...
OAuth: how to test with local URLs?
I am trying to test OAuth buttons, but they all (Facebook, Twitter, LinkedIn) come back with errors that seem to signal that I can not test or use them from a local URL.
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augmented reality framework [closed]
...have a look at Junaio junaio.com/develop
– Fernando Gallego
May 31 '12 at 14:21
6
I would also ad...
Why do people say there is modulo bias when using a random number generator?
...AND_MAX is 10 and I decide to generate a random number between 0 and 2 by calling rand()%3. However, rand()%3 does not produce the numbers between 0 and 2 with equal probability!
When rand() returns 0, 3, 6, or 9, rand()%3 == 0. Therefore, P(0) = 4/11
When rand() returns 1, 4, 7, or 10, rand()%3 ...
How to use Single TextWatcher for multiple EditTexts?
...idgets in my view layout. Is there a way to use a single TextWatcher for all three EditTexts ?
13 Answers
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What's the difference between :: (double colon) and -> (arrow) in PHP?
... used to access static members, such usage is discouraged), while :: is usually used to access static members (though in a few special cases, it's used to access instance members).
In general, :: is used for scope resolution, and it may have either a class name, parent, self, or (in PHP 5.3) static...
How can I use PowerShell with the Visual Studio Command Prompt?
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Stealing liberally from here: http://allen-mack.blogspot.com/2008/03/replace-visual-studio-command-prompt.html, I was able to get this to work. I added the following to my profile.ps1 and all is well with the world.
pushd 'c:\Program Fil...
how to change any data type into a string in python
...lso, alternatively try repr:
mystring = repr(myvariable) # '4'
This is called "conversion" in python, and is quite common.
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Prevent a webpage from navigating away using JavaScript
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Using onunload allows you to display messages, but will not interrupt the navigation (because it is too late). However, using onbeforeunload will interrupt navigation:
window.onbeforeunload = function() {
return "";
}
Note: An empty st...