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Why would one use the Publish/Subscribe pattern (in JS/jQuery)?

...tand a bit better. So... if I removed the subscriber entirely, it wouldn't error or anything, it would just do nothing? And would you say this might be useful in a case where you want to perform an action, but wouldn't necessarily know which function is most relevant at the time of publishing, but t...
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Case objects vs Enumerations in Scala

... using a closed type within Scala. I strongly prefer compile time warnings/errors to indicate I have a gap/issue in my code as opposed to having to glean it out of a production runtime exception/failure. In that regard, I set about working with the case object pathway to see if I could produce a ...
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What are some compelling use cases for dependent method types?

...C1, 0) res0: Int = 0 f(new C2, "") res1: java.lang.String = f(new C1, "") error: type mismatch; found : C1 required: C[Any] f(new C1, "") ^ share | improve this answer ...
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Nearest neighbors in high-dimensional data?

...ances (to calculate predicted values) for n=1, n=2, n=3, etc. and plot the error as a function of n. If you just want a plausible value for n to get started, again, just use n = 3. The second component is how to weight the contribution of each of the neighbors (assuming n > 1). The simplest wei...
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MVVM in WPF - How to alert ViewModel of changes in Model… or should I?

...model itself - when you push data to your Model, it may cause validation errors. The VM will then have to remap this information back to the View. Operations "behind the scenes with no view, like writing to DB, sending email, etc": This is really part of the "Domain Specific Operations...
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Why not use always android:configChanges=“keyboardHidden|orientation”?

... rotated In many cases, people mistakenly believe that when they have an error that is being generated by an orientation change ("rotation"), they can simply fix it by putting in android:configChanges="keyboardHidden|orientation". However, android:configChanges="keyboardHidden|orientation" is not...
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How to turn on (literally) ALL of GCC's warnings?

...ion -Wno-div-by-zero -Wempty-body -Wenum-compare -Wno-endif-labels -Wfatal-errors -Wfloat-equal -Wformat -Wformat=2 -Wno-format-contains-nul -Wno-format-extra-args -Wformat-nonliteral -Wformat-security -Wformat-y2k -Wignored-qualifiers -Winit-self -Winline -Wno-int-to-pointer-cast -Wno-invalid-offse...
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std::function vs template

... as possible at compile-time. The rationale is simple: if you can catch an error, or a type mismatch, even before your program is generated, you won't ship a buggy program to your customer. Moreover, as you correctly pointed out, calls to template functions are resolved statically (i.e. at compile...
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Is there a way to detect if an image is blurry?

...ean2(WH); WL = mean2(A); FM = WH/WL; otherwise error('Unknown measure %s',upper(Measure)) end end %************************************************************************ function fm = AcMomentum(Image) [M N] = size(Image); Hist = imhist(Image)/(M*N); Hist = abs((0:255)...
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What are the differences between NP, NP-Complete and NP-Hard?

... @FalkHüffner Thanks, table is updated (was an error in translating from the Venn diagram). – Johnson Wong Feb 26 '14 at 7:16 1 ...