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How to make URL/Phone-clickable UILabel?
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You can use a UITextView and select Detection for Links, Phone Numbers and other things in the inspector.
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Escaping regex string
... to use input from a user as a regex pattern for a search over some text. It works, but how I can handle cases where user puts characters that have meaning in regex?
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Installing Java 7 on Ubuntu
...ince Oracle end-of-lifed Java 7 and put the binary downloads for versions with security patches behind a paywall. Also, OpenJDK has grown up and is a more viable alternative nowadays.
In Ubuntu 16.04 and higher, Java 7 is no longer available. Usually you're best off installing Java 8 (or 9) instea...
Generate JSON string from NSDictionary in iOS
... dictionary I need to generate a JSON string by using dictionary . Is it possible to convert it? Can you guys please help on this?
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Get name of caller function in PHP?
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edited Nov 25 '15 at 18:16
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answered Oct 10 '08 at ...
How to resize superview to fit all subviews with autolayout?
My understanding of autolayout is that it takes the size of superview and base on constrains and intrinsic sizes it calculates positions of subviews.
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How to filter array in subdocument with MongoDB [duplicate]
...atch so that you can filter individual elements and then use $group to put it back together:
db.test.aggregate([
{ $match: {_id: ObjectId("512e28984815cbfcb21646a7")}},
{ $unwind: '$list'},
{ $match: {'list.a': {$gt: 3}}},
{ $group: {_id: '$_id', list: {$push: '$list.a'}}}
])
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How can I create directory tree in C++/Linux?
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With C++17 or later, there's the standard header <filesystem> with
function
std::filesystem::create_directories
which should be used in modern C++ programs.
The C++ standard functions do not have the POSIX-specific expli...
How can I get a precise time, for example in milliseconds in Objective-C?
...timeIntervalSince* methods will return a NSTimeInterval which is a double with sub-millisecond accuracy. NSTimeInterval is in seconds, but it uses the double to give you greater precision.
In order to calculate millisecond time accuracy, you can do:
// Get a current time for where you want to star...
How to check whether a variable is a class or not?
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edited Apr 16 '16 at 23:23
Eric Leschinski
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