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How to hash some string with sha256 in Java?
... Note that the result of the hash would also be arbitrary binary data, and if you want to represent that in a string, you should use base64 or hex... don't try to use the String(byte[], String) constructor.
e.g.
MessageDigest digest = MessageDigest.getInstance("SHA-256");
byte[] hash = digest.dige...
jQuery UI: Datepicker set year range dropdown to 100 years
....jqueryui.com/datepicker/#option-yearRange
yearRange: '1950:2013', // specifying a hard coded year range
or this way
yearRange: "-100:+0", // last hundred years
From the Docs
Default: "c-10:c+10"
The range of years displayed in the year drop-down: either relative to today's year ("-n...
How to replace a string in a SQL Server Table Column
...ave a table ( SQL Sever ) which references paths ( UNC or otherwise), but now the path is going to change.
10 Answers
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Draw text in OpenGL ES
...ently developing a small OpenGL game for the Android platform and I wonder if there's an easy way to render text on top of the rendered frame (like a HUD with the player´s score etc). The text would need to use a custom font also.
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jQuery: Select data attributes that aren't empty?
...18) (mar'19) (may'20)...
Answer that works with:
Empty strings:
If the attr must exist & could have any value (or none at all)
jQuery("[href]");
Missing attributes:
If attr could exist & if exist, must have some value
jQuery("[href!='']");
Or both:
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How do I find which rpm package supplies a file I'm looking for?
...ermining which package provides an installed application (since it may be different than what is in the current yum repository cache), and yum whatprovides <filename> is best suited for determining which package provides a yet-to-be-installed application. Each has their own purpose.
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Extracting numbers from vectors of strings
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gregexpr. I hadn't tried regexpr until just now. HUGE difference. Using regexpr puts it between Andrew's and Arun's solutions (second fastest) on a 1e6 set. Perhaps also interesting, using sub in Andrew's solution does not improve the speed.
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Collection that allows only unique items in .NET?
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Note that the HashSet<T>.Add(T item) method returns a bool -- true if the item was added to the collection; false if the item was already present.
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What are Flask Blueprints, exactly?
...presses" the mold of the blueprint on the application at the locations specified by url_prefix.
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Grab a segment of an array in Java without creating a new array on heap
...have to create a new byte array in the heap memory just to do that. Right now I have the following code:
15 Answers
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