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HTML select form with option to enter custom value

... a text input and a datalist. Then you add a list attribute to the input, with a value of the id of the datalist. Update: As of March 2019 all major browsers (now including Safari 12.1 and iOS Safari 12.3) support datalist to the level needed for this functionality. See caniuse for detailed browser...
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Is there a JavaScript function that can pad a string to get to a determined length?

I am in need of a JavaScript function which can take a value and pad it to a given length (I need spaces, but anything would do). I found this: ...
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Difference between binary tree and binary search tree

...se explain the difference between binary tree and binary search tree with an example ? 12 Answers ...
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Creating the Singleton design pattern in PHP5

...n $inst; } /** * Private ctor so nobody else can instantiate it * */ private function __construct() { } } To use: $fact = UserFactory::Instance(); $fact2 = UserFactory::Instance(); $fact == $fact2; But: $fact = new UserFactory() Throws an error. See htt...
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Enable remote connections for SQL Server Express 2012

...alled SQL Server Express 2012 on my home server. I'm trying to connect to it from Visual Studio 2012 from my desktop PC, and repeatedly getting the well-known error: ...
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Android: Clear the back stack

In Android I have some activities, let's say A, B, C. 38 Answers 38 ...
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Eloquent Collection: Counting and Detect Empty

...us Information The Collection and the Query Builder differences can be a bit confusing to newcomers of Laravel because the method names are often the same between the two. For that reason it can be confusing to know what one you’re working on. The Query Builder essentially builds a query until yo...
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Why does mongoose always add an s to the end of my collection name

...g to be smart by making your collection name plural. You can however force it to be whatever you want: var dataSchema = new Schema({..}, { collection: 'data' }) share | improve this answer ...
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How to remove the arrows from input[type=“number”] in Opera [duplicate]

Just looking to remove these arrows, convenient in certain situations. 3 Answers 3 ...
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How do I create a list of random numbers without duplicates?

... This will return a list of 10 numbers selected from the range 0 to 99, without duplicates. import random random.sample(range(100), 10) With reference to your specific code example, you probably want to read all the lines from the file once and then select random lines from the saved list in me...