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HMAC-SHA1 in bash
...n your script.
[me@home] echo -n "value" | openssl dgst -sha1 -hmac "key"
57443a4c052350a44638835d64fd66822f813319
Or simply:
[me@home] echo -n "value" | openssl sha1 -hmac "key"
57443a4c052350a44638835d64fd66822f813319
Remember to use -n with echo or else a line break character is appended to...
How do Third-Party “tracking cookies” work?
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245
First, cookies are set and retrieved through HTTP headers. If your browser sends a request to ht...
Create new tmux session from inside a tmux session
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145
The quickest way (assuming you use ctrl-b as your command prefix) is:
ctrl-b :new
To create a...
How to avoid warning when introducing NAs by coercion
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AndrieAndrie
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How can I programmatically generate keypress events in C#?
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5 Answers
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Memory footprint of Haskell data types
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156
(The following applies to GHC, other compilers may use different storage conventions)
Rule of ...
Which MIME type to use for a binary file that's specific to my program?
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answered Jul 21 '11 at 23:15
user786653user786653
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Spring @PostConstruct vs. init-method attribute
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153
No practically I don't think there is any difference but there are priorities in the way they w...
How big should a UIBarButtonItem image be?
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As of iOS 11, the Human Interface Guidelines suggest glyphs be about 25×25 points in toolbars and navigation bars, up to a maximum of about 28 points. (And the HIG should definitely be in your bookmarks if you're working on iOS apps!)
That would translate to images 25px square for older devic...