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To ARC or not to ARC? What are the pros and cons? [closed]

... unroll loops, eliminate temporary variables, inline functions, etc.) OK, now I will tell you about the small downsides: If you're a long-time ObjC developer, you will twitch for about a week when you see ARC code. You will very quickly get over this. There are some (very) small complications in ...
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How to properly create composite primary keys - MYSQL

... Suppose you have already created a table now you can use this query to make composite primary key alter table employee add primary key(emp_id,emp_name); share | ...
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How to convert an array to object in PHP?

...[id]=> 321313[username]=>shahbaz) $object = (object) $array_name; //now it is converted to object and you can access it. echo $object->username; share | improve this answer | ...
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Principles for Modeling CouchDB Documents

I have a question that I've been trying to answer for some time now but can't figure out: 4 Answers ...
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Easy idiomatic way to define Ordering for a simple case class

...d: Int) extends Ordered[A] { // Required as of Scala 2.11 for reasons unknown - the companion to Ordered // should already be in implicit scope import scala.math.Ordered.orderingToOrdered def compare(that: A): Int = (this.tag, this.load) compare (that.tag, that.load) } This works because ...
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What difference is there between WebClient and HTTPWebRequest classes in .NET?

... Anyone coming across this like I have just now, note there is a new player on the field called HttpClient that comes with .NET 4.5 that may (or may not?) solve some of the above hassles... – Funka Jan 31 '13 at 20:14 ...
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curl: (60) SSL certificate problem: unable to get local issuer certificate

...as been edited then could the answer be edited to reflect the command line now being used? – Adam Feb 5 '18 at 23:10 6 ...
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Swap key with value JSON

... Seems the better solution for nowdays (2019)! Somebody can confirm, is it? Performance good? Semantic is perfect: we can see that is really a simple "map and swap" solution. – Peter Krauss Jan 3 '19 at 17:41 ...
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What kind of leaks does automatic reference counting in Objective-C not prevent or minimize?

...d and got my application crashed, later fixed it by changing to strong but now it has a memory leak. So, I changed it to weak and works like a charm. – chathuram Jan 22 '13 at 19:59 ...
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Extract month and year from a zoo::yearmon object

... I know the OP is using zoo here, but I found this thread googling for a standard ts solution for the same problem. So I thought I'd add a zoo-free answer for ts as well. # create an example Date date_1 <- as.Date("1990-01-...