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ios app maximum memory budget

...ered your own question: try not to go beyond the 70 Mb limit, however it really depends on many things: what iOS version you're using (not SDK), how many applications running in background, what exact memory you're using etc. Just avoid the instant memory splashes (e.g. you're using 40 Mb of RAM, a...
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PHP script to loop through all of the files in a directory?

I'm looking for a PHP script that loops through all of the files in a directory so I can do things with the filename, such as format, print or add it to a link. I'd like to be able to sort the files by name, type or by date created/added/modified. (Think fancy directory "index".) I'd also like to be...
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Parse JSON String into a Particular Object Prototype in JavaScript

...olution below that applies Object.assign(..) recursively that can automatically resolve properties (with a bit of information provided in advance) – vir us Dec 8 '17 at 16:13 ...
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Only read selected columns

...g","Sep","Oct","Nov","Dec")) dat <- fread("data.txt", drop = c(8:13)) All result in: > data Year Jan Feb Mar Apr May Jun 1 2009 -41 -27 -25 -31 -31 -39 2 2010 -41 -27 -25 -31 -31 -39 3 2011 -21 -27 -2 -6 -10 -32 UPDATE: When you don't want fread to return a data.table, use the data.ta...
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What is the difference between Θ(n) and O(n)?

...e of the algorithm as n gets larger is at most proportional to g(n). Normally, even when people talk about O(g(n)) they actually mean Θ(g(n)) but technically, there is a difference. More technically: O(n) represents upper bound. Θ(n) means tight bound. Ω(n) represents lower bound. ...
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How to send an email with Gmail as provider using Python?

...smtp.gmail.com:587') server.ehlo() server.starttls() Also you should really create From:, To: and Subject: message headers, separated from the message body by a blank line and use CRLF as EOL markers. E.g. msg = "\r\n".join([ "From: user_me@gmail.com", "To: user_you@gmail.com", "Subject:...
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Why do I need an IoC container as opposed to straightforward DI code? [closed]

...ain can become nested, and it quickly becomes unwieldy to wire them up manually. Even with factories, the duplication of your code is just not worth it. IoC containers can be complex, yes. But for this simple case I've shown it's incredibly easy. Okay, let's justify this even more. Let's say ...
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How to convert currentTimeMillis to a date in Java?

... Calendar objects are generally considered quite large, so should be avoided when possible. A Date object is going to be better assuming it has the functionality you need. "Date date=new Date(millis);" provided in the other answer by user AVD is going ...
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jQuery scroll() detect when user stops scrolling

...vent handler function for one or more events to the selected elements and calls the handler function if the event was not triggered for a given interval. This is useful if you want to fire a callback only after a delay, like the resize event, or such. It is important to check the github-repo for up...
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How to create NS_OPTIONS-style bitmask enumerations in Swift?

...tains(.secondOption) { print("multipleOptions has SecondOption") } let allOptions = MyOptions(rawValue: 7) if allOptions.contains(.thirdOption) { print("allOptions has ThirdOption") } Swift 2.0 In Swift 2.0, protocol extensions take care of most of the boilerplate for these, which are now...