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How do I encode and decode a base64 string?

... Encode public static string Base64Encode(string plainText) { var plainTextBytes = System.Text.Encoding.UTF8.GetBytes(plainText); return System.Convert.ToBase64String(plainTextBytes); } Decode public static string Base64Decode(string base64...
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PHP check whether property exists in object or class

... property_exists( mixed $class , string $property ) if (property_exists($ob, 'a')) isset( mixed $var [, mixed $... ] ) if (isset($ob->a)) isset() will return false if property is null Example 1: $ob->a = null var_dump(isset($ob->a)); //...
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How to save an image to localStorage and display it on the next page?

...ith getElementByID, and save the image as a Base64. Then I save the Base64 string as my localStorage value. bannerImage = document.getElementById('bannerImg'); imgData = getBase64Image(bannerImage); localStorage.setItem("imgData", imgData); Here is the function that converts the image to a Base64...
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Add a prefix to all Flask routes

...nes a new route function with a prefix. The mask argument is a `format string` formatted with, in that order: prefix, route ''' def newroute(route, *args, **kwargs): '''New function to prefix the route''' return route_function(mask.format(prefix, route), *args, **kwargs) retu...
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What is a None value?

... you wanted to. When you write F = "fork" you put the sticker "F" on a string object "fork". If you then write F = None you move the sticker to the None object. What Briggs is asking you to imagine is that you didn't write the sticker "F", there was already an F sticker on the None, and all...
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postgresql - replace all instances of a string within text field

In postgresql, how do I replace all instances of a string within a database column? 4 Answers ...
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Node.js Mongoose.js string to ObjectId function

Is there a function to turn a string into an objectId in node using mongoose? The schema specifies that something is an ObjectId, but when it is saved from a string, mongo tells me it is still just a string. The _id of the object, for instance, is displayed as objectId("blah") . ...
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Interfaces — What's the point?

...interface: public interface ICreatureFactory { ICreature GetCreature(string creatureType); } Our front end could then have this injected (e.g an MVC API controller) through the constructor (typically): public class CreatureController : Controller { private readonly ICreatureFactory _fac...
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Setting element of array from Twig

.../github.com/twigphp/Twig/issues/789 ). That will work only when keys are strings What I did is recreate another table ( temp) from the initial table (t) and make the keys a string , for example : {% for key , value in t%} {% set temp= temp|merge({(key~'_'):value}) %} {% endfor %} t keys : 0...
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How do I get jQuery to select elements with a . (period) in their ID?

...wo of them because backslash is also the escape character for JavaScript strings. The first backslash escapes the second one, giving you one actual backslash in your string - which then escapes the next character for jQuery. So, I guess you're looking at $(function() { $.getJSON("/Location...