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Load RSA public key from file
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Below is the relevant information from the link which Zaki provided.
Generate a 2048-bit RSA private key
$ openssl genrsa -out private_key.pem 2048
Convert private Key to PKCS#8 format (so Java can read it)
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How can I check if a single character appears in a string?
... first occurrence of the character in
the character sequence represented by this object, or -1 if the
character does not occur.
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Changing every value in a hash in Ruby
I want to change every value in a hash so as to add '%' before and after the value so
11 Answers
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Why does C++11 not support designated initializer lists as C99? [closed]
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C++ has constructors. If it makes sense to initialize just one member then that can be expressed in the program by implementing an appropriate constructor. This is the sort of abstraction C++ promotes.
On the other hand the designated initializers feature is more about exposing and making ...
defaultdict of defaultdict?
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Yes like this:
defaultdict(lambda: defaultdict(int))
The argument of a defaultdict (in this case is lambda: defaultdict(int)) will be called when you try to access a key that doesn't exist. The return value of it will be set as the new value of this key...
How do I fetch lines before/after the grep result in bash?
Hi I'm very new to bash programming. I want a way to search in a given Text. For that I use grep function:
4 Answers
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Awaiting multiple Tasks with different results
...wait:
var catTask = FeedCat();
var houseTask = SellHouse();
var carTask = BuyCar();
await Task.WhenAll(catTask, houseTask, carTask);
var cat = await catTask;
var house = await houseTask;
var car = await carTask;
You can also use Task.Result (since you know by this point they have all completed ...
Sort a text file by line length including spaces
...-n -s | cut -d" " -f2-
Or, to do your original (perhaps unintentional) sub-sorting of any equal-length lines:
cat testfile | awk '{ print length, $0 }' | sort -n | cut -d" " -f2-
In both cases, we have solved your stated problem by moving away from awk for your final cut.
Lines of matching len...
How to play with Control.Monad.Writer in haskell?
... to functional programming and recently learning at Learn You a Haskell , but when I went through this chapter , I got stuck with the program below:
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Query grants for a table in postgres
How can I query all GRANTS granted to an object in postgres?
7 Answers
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