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How do I check if a string contains another string in Swift?

... You can do exactly the same call with Swift: Swift 4 & Swift 5 In Swift 4 String is a collection of Character values, it wasn't like this in Swift 2 and 3, so you can use this more concise code1: let string = "hello Swift" if string.contains("Swift") {...
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How does free know how much to free?

...you can pass any kind of pointer you like as an argument to free, how does it know the size of the allocated memory to free? Whenever I pass a pointer to some function, I have to also pass the size (ie an array of 10 elements needs to receive 10 as a parameter to know the size of the array), but I d...
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How to fix: “UnicodeDecodeError: 'ascii' codec can't decode byte”

How to fix it? 19 Answers 19 ...
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NuGet for solutions with multiple projects

Suppose I have a solution with 3 projects: 6 Answers 6 ...
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Get value from SimpleXMLElement Object

... Just noticed if you json_encode the xml object and then json_decode it you get a nested stdObject to deal with, quite handy for when you're being lazy & working with simple structures :D – Louis Sep 20 '13 at 6:59 ...
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Is [UIScreen mainScreen].bounds.size becoming orientation-dependent in iOS8?

... Yes, it's orientation-dependent in iOS8, not a bug. You could review session 214 from WWDC 2014 for more info: "View Controller Advancements in iOS 8" Quote from the presentation: UIScreen is now interface oriented: [UIScreen ...
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Vim: insert the same characters across multiple lines

Sometimes I want to edit a certain visual block of text across multiple lines. 12 Answers ...
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Skip certain tables with mysqldump

... DATABASE --ignore-table=DATABASE.table1 > database.sql There is no whitespace after -p (this is not a typo). If you want to ignore multiple tables you can use a simple script like this #!/bin/bash PASSWORD=XXXXXX HOST=XXXXXX USER=XXXXXX DATABASE=databasename DB_FILE=dump.sql EXCLUDED_TABLES=...
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How do I translate an ISO 8601 datetime string into a Python datetime object? [duplicate]

... string like: 2010-05-08T23:41:54.000Z you'd have a fun time parsing that with strptime, especially if you didn't know up front whether or not the timezone was included. pyiso8601 has a couple of issues (check their tracker) that I ran into during my usage and it hasn't been updated in a few years. ...
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Configure Flask dev server to be visible across the network

...t when I run an app in dev mode ( http://localhost:5000 ), I cannot access it from other machines on the network (with http://[dev-host-ip]:5000 ). With Rails in dev mode, for example, it works fine. I couldn't find any docs regarding the Flask dev server configuration. Any idea what should be conf...