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How to access accelerometer/gyroscope data from Javascript?
...it works just fine, but if you need to use the data for something slightly more serious, you will have to get familiar with the units of the values provided in the different events and treat them with respect :)
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How do negative margins in CSS work and why is (margin-top:-5 != margin-bottom:5)?
... based on the box model and margin collapsing. While certain scenarios are more complex, a lot of common mistakes can be avoided after studying the spec.
For instance, rendering of your sample code is guided by the css spec as described in calculating heights and margins for absolutely positioned n...
How do I pull files from remote without overwriting local files?
...swered Oct 7 '13 at 3:06
Bob GilmoreBob Gilmore
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Which equals operator (== vs ===) should be used in JavaScript comparisons?
...r ac_eq = (a === c); // true
This behavior is not always obvious. There's more to the story than being equal and being of the same type.
The rule is:
For value types (numbers):
a === b returns true if a and b have the same value and are of the same type
For reference types:
a === b returns true if ...
What’s the best RESTful method to return total number of items in an object?
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Why does Math.round(0.49999999999999994) return 1?
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How to display gpg key details without importing it?
...6-16 [SCEA] [revoked: 2016-08-16]
Providing -v or -vv will even add some more information. I prefer printing the package details in this case, though (see below).
Machine-Readable Output
GnuPG also has a colon-separated output format, which is easily parsable and has a stable format. The format ...
Handling warning for possible multiple enumeration of IEnumerable
...f you try to refactor your code to use interfaces, for instance to make it more testable and friendly to dynamic proxying. The key point is that IList<T> does not inherit from IReadOnlyList<T>, and similarly for other collections and their respective read-only interfaces. (In short, this...
What issues should be considered when overriding equals and hashCode in Java?
...ects are not modified, then it must keep returning the same value). Furthermore, o.equals(null) must always return false.
hashCode() (javadoc) must also be consistent (if the object is not modified in terms of equals(), it must keep returning the same value).
The relation between the two methods i...
Creating functions in a loop
... extra argument (and thus potentially being called erroneously), there's a more sophisticated way which involved using a closure as a "function factory":
def make_f(i):
def f():
return i
return f
and in your loop use f = make_f(i) instead of the def statement.
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