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Best way to change the background color for an NSView

... When building for 64-bit or iOS or building 32-bit like 64-bit, NSRect is just another way of saying CGRect. If not, however, these are independent structs, and even though they might consist of the same members, they can never be “toll-free...
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How can I programmatically determine if my app is running in the iphone simulator?

... Unless you are in 2016 and run a 64 bit simulator. Or in 2019 and run your code on an iPhone with Intel processor. – gnasher729 Apr 5 '16 at 8:40 ...
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How to parse a string to an int in C++?

...still a couple of other problems. What if the number in the string is not base 10? We can try to accommodate other bases by setting the stream to the correct mode (e.g. ss << std::hex) before trying the conversion. But this means the caller must know a priori what base the number is -- and ho...
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Selenium: FirefoxProfile exception Can't load the profile

...sion 30. Here is the process: #Download version 30 for Linux (This is the 64 bit) wget http://ftp.mozilla.org/pub/mozilla.org/firefox/releases/30.0/linux-x86_64/en-US/firefox-30.0.tar.bz2 tar -xjvf firefox-30.0.tar.bz2 #Remove the old version sudo rm -rf /opt/firefox* sudo mv firefox /opt/firefox3...
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What is an example of the Liskov Substitution Principle?

...havior. Imagine you had SetWidth and SetHeight methods on your Rectangle base class; this seems perfectly logical. However if your Rectangle reference pointed to a Square, then SetWidth and SetHeight doesn't make sense because setting one would change the other to match it. In this case Square fai...
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Measure elapsed time in Swift

...our NSDate code entirely: it's totally unreliable to use NSDate: NSDate is based on system clock, which can change at any time due to many different reasons, such as network time sync (NTP) updating the clock (happens often to adjust for drift), DST adjustments, leap seconds, and user manual adjustm...
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Changing password with Oracle SQL Developer

...s very helpful :-) with it I found: oracle.com/technetwork/topics/linuxx86-64soft-092277.html which may go stale. To google it again use goo.gl/kU5ZdM – Frobbit Apr 18 '14 at 18:59 ...
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Pandas groupby: How to get a union of strings

... 1 0.749065 This 1 2 0.301084 is 2 3 0.463468 a 3 4 0.643961 random 4 1 0.866521 string 5 2 0.120737 ! In [6]: df.dtypes Out[6]: A int64 B float64 C object dtype: object When you apply your own function, there is not automatic exclusions of non-numeri...
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CSS endless rotation animation

... width: 11px; height: 14px; background: url('data:image/gif;base64,R0lGOD lhCwAOAMQfAP////7+/vj4+Hh4eHd3d/v7+/Dw8HV1dfLy8ubm5vX19e3t7fr 6+nl5edra2nZ2dnx8fMHBwYODg/b29np6eujo6JGRkeHh4eTk5LCwsN3d3dfX 13Jycp2dnevr6////yH5BAEAAB8ALAAAAAALAA4AAAVq4NFw1DNAX/o9imAsB tKpxKRd1+YEWUoIiUoiEWEAAp...
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How to check if a word is an English word with Python?

...t, because WordNet does not contain all english words. Another possibility based on NLTK without enchant is NLTK's words corpus >>> from nltk.corpus import words >>> "would" in words.words() True >>> "could" in words.words() True >>> "should" in words.words() Tru...