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Why use apparently meaningless do-while and if-else statements in macros?
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@DawidFerenczy: although both you and me-from-four-and-a-half-years-ago make a good point, we have to live in the real world. Unless we can guarantee that all the if statements, etc, in our code use braces, then wrapping macros like this is a simple way of avoiding ...
Is Ruby pass by reference or by value?
...ays references to objects. In order to get an object that won't change out from under you, you need to dup or clone the object you're passed, thus giving an object that nobody else has a reference to. (Even this isn't bulletproof, though — both of the standard cloning methods do a shallow copy, so...
how do I initialize a float to its max/min value?
...reach an extreme. To find the smallest non-zero value, we can subtract one from each for the comparison. Any zero values will "wrap around" to the largest possible value for the type, but the relationship between other values will be retained. After we're done, we obviously add one back to the value...
Moving matplotlib legend outside of the axis makes it cutoff by the figure box
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Sorry EMS, but I actually just got another response from the matplotlib mailling list (Thanks goes out to Benjamin Root).
The code I am looking for is adjusting the savefig call to:
fig.savefig('samplefigure', bbox_extra_artists=(lgd,), bbox_inches='tight')
#Note that the bb...
How to print out the contents of a vector?
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If you're looping from 0 through vector::size() and the vector is not modified within the loop there is no need to use at() and incur the extra bounds checking overhead. That said, I would go with an iterator as you suggest.
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What is the difference between min SDK version/target SDK version vs. compile SDK version?
... team provides for us. For example some features Java 8 are available only from specific version of minSdkVersion.
targetSdkVersion - If AndroidOS version is >= targetSdkVersion it says Android system to turn on specific(new) behavior changes. *Please note that some of new behaviors will be turne...
Weak and strong property setter attributes in Objective-C
...rent so neither is ever released).
The 'toll free bridging' part (casting from NS to CF) is a little tricky. You still have to manually manage CFRelease() and CFRetain() for CF objects. When you convert them back to NS objects you have to tell the compiler about the retain count so it knows what ...
What happens if you static_cast invalid value to enum class?
... What is color set to according to the standard?
Answering with a quote from the C++11 and C++14 Standards:
[expr.static.cast]/10
A value of integral or enumeration type can be explicitly converted to an enumeration type. The value is unchanged if the original value is within the range of th...
What are the details of “Objective-C Literals” mentioned in the Xcode 4.4 release notes?
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Copied verbatim from http://cocoaheads.tumblr.com/post/17757846453/objective-c-literals-for-nsdictionary-nsarray-and:
Objective-C literals: one can now create literals for NSArray, NSDictionary, and NSNumber (just like one can create litera...
Difference between this and self in JavaScript
...GlobalScope, and this is the standard method for setting event listeners.
From Mozilla docs:
By using self, you can refer to the global scope in a way that will work not only in a window context (self will resolve to window.self) but also in a worker context (self will then resolve to WorkerGlo...