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How to get the raw value an field?

...urself. The W3 also has the same specs and adds: User agents must not allow the user to set the value to a non-empty string that is not a valid floating-point number. share | improve this an...
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Worth switching to zsh for casual use? [closed]

The default shell in Mac OS X is bash , which I'm generally happy to be using. I just take it for granted. It would be really nice if it auto-completed more stuff , though, and I've heard good things about zsh in this regard. But I don't really have the inclination to spend hours fiddling with s...
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iOS 5 Best Practice (Release/retain?)

...e for writing apps to be used either with iOS 5 or older versions? Specifically, should I continue using the release/retain of data, or should I ignore that? Does it matter? ...
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What's the difference between the data structure Tree and Graph?

Academically speaking, what's the essential difference between the data structure Tree and Graph? And how about the tree based search and Graph based search? ...
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MySQL - length() vs char_length()

...() returns the length of the string measured in characters. This is especially relevant for Unicode, in which most characters are encoded in two bytes. Or UTF-8, where the number of bytes varies. For example: select length(_utf8 '€'), char_length(_utf8 '€') --> 3, 1 As you can see the E...
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Golang tests in sub-directory

... Note that you can run go test "recursively": you need to list all the packages you want to test. If you are in the root folder of your Go project, type: go test ./... The './...' notation is described in the section "Description of package lists" of the "command go": An import path is...
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How to disable Golang unused import error

... Adding an underscore (_) before a package name will ignore the unused import error. Here is an example of how you could use it: import ( "log" "database/sql" _ "github.com/go-sql-driver/mysql" ) To import a package solely for i...
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Multiline strings in VB.NET

...ring is called implicit line continuation. It has to do with removing the _ from a multi-line statement or expression. This does remove the need to terminate a multiline string with _ but there is still no mult-line string literal in VB. Example for multiline string Visual Studio 2008 Dim x = "...
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How do you find out the type of an object (in Swift)?

... adding as! AnyClass after the type but then program crashes with some "EXC_BAD_INSTRUCTION" and other jiberrish that I cannot decipher. – LightningStryk Mar 10 '17 at 0:36 ...
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How to launch Safari and open URL from iOS app

... @g_fred. Why would he not be able to include a Swift version? – ericgu Mar 24 '15 at 13:21 2 ...