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How to hash some string with sha256 in Java?

... SHA-256 isn't an "encoding" - it's a one-way hash. You'd basically convert the string into bytes (e.g. using text.getBytes(StandardCharsets.UTF_8)) and then hash the bytes. Note that the result of the hash would also be arbitrary binary data, and if you want to represent that in a strin...
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Rails check if yield :area is defined in content_for

... not really necessary to create a helper method: <% if @content_for_sidebar %> <div id="sidebar"> <%= yield :sidebar %> </div> <% end %> then of course in your view: <% content_for :sideb...
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Get Android Phone Model programmatically

...uld like to know if there is a way for reading the Phone Model programmatically in Android. 16 Answers ...
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Get all attributes of an element using jQuery

I am trying to go through an element and get all the attributes of that element to output them, for example an tag may have 3 or more attributes, unknown to me and I need to get the names and values of these attributes. I was thinking something along the lines of: ...
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How to convert SQL Query result to PANDAS Data Structure?

... that will do the job: from pandas import DataFrame df = DataFrame(resoverall.fetchall()) df.columns = resoverall.keys() You can go fancier and parse the types as in Paul's answer. share | improv...
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Entity Framework - Invalid Column Name '*_ID"

...ne for you to try to make the connection between the tables. This specifically happens with ICollection and has driven me "batty" trying to figure it out. share | improve this answer | ...
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Using javadoc for Python documentation [closed]

... from the Napolean documentation linked above. A comprehensive example on all types of docstrings here. share | improve this answer | follow | ...
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How do I reference a javascript object property with a hyphen in it?

Using this script to make a style object of all the inherited etc styles. 11 Answers ...
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How do you log content of a JSON object in Node.js?

... me: console.log("Session: %O", session); developer.mozilla.org/en-US/docs/Web/API/… – JP Lew Jun 12 '19 at 22:02 Wo...
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Python memory usage of numpy arrays

... The field nbytes will give you the size in bytes of all the elements of the array in a numpy.array: size_in_bytes = my_numpy_array.nbytes Notice that this does not measures "non-element attributes of the array object" so the actual size in bytes can be a few bytes larger th...