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How do I declare class-level properties in Objective-C?

... Also i would consider naming the backing variables with '_' as is default by apple and also improves readability since returning/setting self.value from the getter/setter causes infinite recursion. In my opinion this is the right answer. – Peter Segerblom May ...
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Converting newline formatting from Mac to Windows

...eed for newline: \n In conclusion, simply replace every occurence of \n by \r\n. Both unix2dos and dos2unix are not by default available on Mac OSX. Fortunately, you can simply use Perl or sed to do the job: sed -e 's/$/\r/' inputfile > outputfile # UNIX to DOS (adding CRs) se...
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In Python, how do you convert a `datetime` object to seconds?

...the output of time.time() and datetime.now() - datetime(1970, 1, 1) differ by 7200 seconds. Rather use (t - datetime.datetime.fromtimestamp(0)).total_seconds(). Do not use utcfromtimestamp(0) if you want to convert a datetime in your local timezone. – Carl Jul ...
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Git: Pull from other remote

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jQuery pitfalls to avoid [closed]

...r elements with class myClass $('.myClass'); But you can speed things up by searching within a context: var ct = $('#myContainer'); // This will search for elements with class myClass within the myContainer child elements $('.myClass', ct); ...
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Merge cells using EPPlus?

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How to remove focus around buttons on click

... if using built in bootstrap variables, one can achieve this by setting these two vars to: $btn-focus-width:0; $btn-focus-box-shadow:none; – bullettrain May 14 '19 at 14:52 ...
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Equivalent of .try() for a hash to avoid “undefined method” errors on nil? [duplicate]

... try is no longer necessary as of Ruby 2.3. @baxang has the best answer, below. – user513951 Jan 6 '16 at 1:42  |  ...
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Why can't variable names start with numbers?

...sn't a valid floating literal suffix in C++. Floating literals are doubles by default, you can use f or l if you need a float or a long double literal. – CB Bailey Dec 4 '08 at 21:54 ...
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How do I use VaryByParam with multiple parameters?

In ASP.NET MVC2 I use OutputCache and the VaryByParam attribute. I got it working fine with a single parameter, but what is the correct syntax when I have several parameters on the method? ...