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mongoose vs mongodb (nodejs modules/extensions), which better? and why?
...ool?" If you're looking for an object modeling (ODM, a counterpart to ORMs from the SQL world) tool to skip some lower level work, you want Mongoose.
If you want a driver, because you intend to break a lot of rules that an ODM might enforce, go with MongoDB. If you want a fast driver, and can live ...
How to check for valid email address? [duplicate]
...ng the real name and the actual address parts of the e-mail:
>>> from email.utils import parseaddr
>>> parseaddr('foo@example.com')
('', 'foo@example.com')
>>> parseaddr('Full Name <full@example.com>')
('Full Name', 'full@example.com')
>>> parseaddr('"Ful...
How do I debug Node.js applications?
...
node-inspector could save the day! Use it from any browser supporting WebSocket. Breakpoints, profiler, livecoding, etc... It is really awesome.
Install it with:
npm install -g node-inspector
Then run:
node-debug app.js
...
Center content of UIScrollView when smaller
...I noticed that this, like many other centering techniques, seems to suffer from problems when using zoomToRect:. Using the contentInset approach works better, if you happen to need that functionality. See petersteinberger.com/blog/2013/how-to-center-uiscrollview for more details.
...
Where does 'Hello world' come from?
...or any programming language. I've always wondered where this sentence came from and where was it first used.
7 Answers
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Xcode 6 / Beta 4: using bridging headers with framework targets is unsupported
...states, bridging headers are not allowed in Frameworks. The Importing Code from Within the Same Framework Target section of the Mix & Match apple documentation hints at this. As they say, you need to "In your umbrella header file, import every Objective-C header you want to expose to Swift".
H...
How to get the contents of a webpage in a shell variable?
... we are requesting might have moved. In which case we need to get the page from the new location. The -L or --location option helps us with this.
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In Matlab, when is it optimal to use bsxfun?
...);
tic;
idx = bsxfun(@plus, [0:2]', 1:numel(a)-2);
toc
% equivalent code from im2col function in MATLAB
tic;
idx0 = repmat([0:2]', 1, numel(a)-2);
idx1 = repmat(1:numel(a)-2, 3, 1);
idx2 = idx0+idx1;
toc;
isequal(idx, idx2)
Elapsed time is 0.297987 seconds.
Elapsed time is 0.501047 seconds.
ans...
Java Generics (Wildcards)
...deo talk where he mentions the Producer extends Consumer super mnemonic.
From the presentation slides:
Suppose you want to add bulk methods to Stack<E>
void pushAll(Collection<? extends E> src);
– src is an E producer
void popAll(Collection<? super E> dst);
...
How can I access and process nested objects, arrays or JSON?
...e.
// either `42` or the array
}
Depending on where the object comes from (and what you want to do), you might have to test in each iteration whether the property is really a property of the object, or it is an inherited property. You can do this with Object#hasOwnProperty [MDN].
As alternati...