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Can two different strings generate the same MD5 hash code?

... For a set of even billions of assets, the chances of random collisions are negligibly small -- nothing that you should worry about. Considering the birthday paradox, given a set of 2^64 (or 18,446,744,073,709,551,616) assets, the probability of a single MD5 collision within this...
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Execute the setInterval function without delay the first time

...e the setInterval method of javascript to execute the method immediately and then executes with the timer 14 Answers ...
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When should we use Observer and Observable?

... You have a concrete example of a Student and a MessageBoard. The Student registers by adding itself to the list of Observers that want to be notified when a new Message is posted to the MessageBoard. When a Message is added to the MessageBoard, it iterates over it...
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What is the significance of #pragma marks? Why do we need #pragma marks?

... #pragma mark is used to tag the group of methods so you may easily find and detect methods from the Jump Bar. It may help you when your code files reach about 1000 lines and you want to find methods quickly through the category from Jump box. In a long program it becomes difficult to remember an...
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Ruby on Rails: Delete multiple hash keys

... While using Hash#except handles your problem, be aware that it introduces potential security issues. A good rule of thumb for handling any data from visitors is to use a whitelist approach. In this case, using Hash#slice instead. params.slice!(:para...
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Does Java have a complete enum for HTTP response codes?

I'm wondering if there is an enum type in some standard Java class library that defines symbolic constants for all of the valid HTTP response codes. It should support conversion to/from the corresponding integer values. ...
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Use a URL to link to a Google map with a marker on it

...maps/documentation/urls/guide You can use URLs in search, directions, map and street view modes. For example, to show the marker at specified position you can use the following URL: https://www.google.com/maps/search/?api=1&query=36.26577,-92.54324 For further details please read aforementio...
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What is the best way to initialize a JavaScript Date to midnight?

... The setHours method can take optional minutes, seconds and ms arguments, for example: var d = new Date(); d.setHours(0,0,0,0); That will set the time to 00:00:00.000 of your current timezone, if you want to work in UTC time, you can use the setUTCHours method. ...
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C# Create New T()

... And what exactly is that context? Please add it to the original question. – James Jun 30 '11 at 11:38 ...
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Mongoimport of json file

...fileName.json --jsonArray -u ser -p password – Diego Andrés Díaz Espinoza Jul 11 '19 at 16:37 Adding to @DiegoAndré...