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Calculate RSA key fingerprint
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Run the following command to retrieve the SHA256 fingerprint of your SSH key (-l means "list" instead of create a new key, -f means "filename"):
$ ssh-keygen -lf /path/to/ssh/key
So for example, on my machine the command I ran was (using RS...
Batch renaming files with Bash
...ash solution, but if you have perl installed, it provides the handy rename command for batch renaming, simply do rename "s/-[0-9.]*//" *.pkg
– Rufus
Jun 26 '16 at 8:40
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How to make a flat list out of list of lists?
...mes the sum of x for x from 1 to L excluded, i.e., I * (L**2)/2.
The list comprehension just generates one list, once, and copies each item over (from its original place of residence to the result list) also exactly once.
s...
One class per file rule in .NET? [closed]
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community wiki
Mark
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How to get IP address of the device from code?
...il to read IP and MAC addresses. Implementation is pure-java, but I have a comment block in getMACAddress() which could read the value from the special Linux(Android) file. I've run this code only on few devices and Emulator but let me know here if you find weird results.
// AndroidManifest.xml per...
How can I add a key/value pair to a JavaScript object?
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Will Emacs make me a better programmer? [closed]
Steve Yegge wrote a comment on his blog :
39 Answers
39
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Returning multiple values from a C++ function
...s two integers and returns both the quotient and the remainder. One way I commonly see is to use reference parameters:
20 ...
No Swipe Back when hiding Navigation Bar in UINavigationController
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Although this works, I HIGHLY recommend against this. Breaking the delegate was causing a rare and hard to identify main thread block. Turns out its not a main thread block but its what @HorseT described.
– Josh Bernfeld
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