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How does the new automatic reference counting mechanism work?

...ds it across the whole language. Among other things, this makes it easy to convert a manually reference counted application to ARC. Boost might also handle local variables differently than ARC does, where ARC knows the moment that a local variable is no longer being used and can release at that poi...
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Why do we need tuples in Python (or any immutable data type)?

... if I must convert a tuple to a set or list to be able to sort them, what's the point of using a tuple in the first place? In this particular case, there probably isn't a point. This is a non-issue, because this isn't one of the cases...
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Accessing dict keys like an attribute?

...he rules of the language :) And I wouldn't want AttrDict to automagically convert space-containing fields into something different. – Yurik Feb 11 '19 at 18:37 ...
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Why does find -exec mv {} ./target/ + not work?

... + This variant of the -exec action runs the specified command on the selected files, but the command line is built by appending each selected file name at the end; the total number of invocations of the command will be much less than the number of matched files. The command line is built in...
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Is it faster to count down than it is to count up?

... technique. Also, a good optimizing compiler these days should be able to convert your count up loop source code into count down to zero machine code (depending on how you use the loop index variable) so there really isn't any reason to write your loops in strange ways just to squeeze a cycle or tw...
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How do I check if a type is a subtype OR the type of an object?

... It may be tempting to convert IsSameOrSubclass into an extension method but I recommend against it, it's a bit awkward to read and write, and easy to mess up (reversing the order of potentialBase and potentialDescendant can be deadly). ...
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I've found my software as cracked download on Internet, what to do?

...ering renting your software for $0.99/day to grab some impulse buyers, and convert them into full customers by offering them the $0.99/day back as a discount when they buy the full version. – MSalters Aug 24 '10 at 14:22 ...
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Is 0 a decimal literal or an octal literal?

...act can hurt you. I realized this when I was trying to write a program to convert binary numbers to decimal and hexidecimal output. Everytime that I was giving a number starting with zero I was getting the wrong output (For example, 012 = 10, not 12). It's good to know this information so you don'...
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How can I use Autolayout to set constraints on my UIScrollview?

...ication. Storyboard In this example we will make a horizontal scroll view. Select the View Controller and then choose Freeform in the Size Inspector. Make the width 1,000 and the height 300. This just gives us room on the storyboard to add content that will scroll. Add a Scroll View Add a UIScrollV...
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Truncating long strings with CSS: feasible yet?

...ion. It does come with the downside however of not allowing the text to be selected in Firefox. Check out his guest post on Matt Snider's blog for the full details on how this works. Note this technique also prevents updating the content of the node in JavaScript using the innerHTML property in Fir...