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How to use OpenSSL to encrypt/decrypt files?
...ypt:
openssl aes-256-cbc -d -a -in secrets.txt.enc -out secrets.txt.new
More details on the various flags
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How do I modify fields inside the new PostgreSQL JSON datatype?
...one for json; casts are required to manipulate json values).
Merging 2 (or more) JSON objects (or concatenating arrays):
SELECT jsonb '{"a":1}' || jsonb '{"b":2}', -- will yield jsonb '{"a":1,"b":2}'
jsonb '["a",1]' || jsonb '["b",2]' -- will yield jsonb '["a",1,"b",2]'
So, setting a simple...
How to remove/ignore :hover css style on touch devices
...uld suggest either splitting the rules or using the 2nd solution, which is more robust anyway. However, you're very welcome to suggest an edit, if you can improve the first solution without making it too complicated.
– blade
Jun 15 '17 at 14:44
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JavaScript Chart Library
...ick a Canvas-based solution. This article on Sencha Touch Charts goes into more details on mobile charting in general, and why Sencha Touch went the Canvas route.
– Pallavi Anderson
Aug 1 '11 at 20:55
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Centering a div block without the width
...d tabular.
[PS. never use ‘pt’ for font sizes on the web. ‘px’ is more reliable if you really need fixed size text, otherwise relative units like ‘%’ are better. And “clear: ccc both” — a typo?]
.center{
text-align:center;
}
.center > div{ /* N.B. child combinators do...
How do I specify a pointer to an overloaded function?
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Returning unique_ptr from functions
... as if the object were designated by an rvalue.
Just wanted to add one more point that returning by value should be the default choice here because a named value in the return statement in the worst case, i.e. without elisions in C++11, C++14 and C++17 is treated as an rvalue. So for example th...
“Bitmap too large to be uploaded into a texture”
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Java Equivalent of C# async/await?
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How should I unit test threaded code?
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