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How to flatten nested objects with linq expression
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myBooks.SelectMany(b => b.Chapters
.SelectMany(c => c.Pages
.Select(p => b.Name + ", " + c.Name + ", " + p.Name)));
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How to wait for several Futures?
Suppose I have several futures and need to wait until either any of them fails or all of them succeed.
8 Answers
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How to cut an entire line in vim and paste it?
... need something which will delete an entire line and it should allow me to paste the same line somewhere else.
10 Answers
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Passing Objects By Reference or Value in C#
In C#, I have always thought that non-primitive variables were passed by reference and primitive values passed by value.
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Find and kill a process in one line using bash and regex
I often need to kill a process during programming.
25 Answers
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How to automatically generate a stacktrace when my program crashes
I am working on Linux with the GCC compiler. When my C++ program crashes I would like it to automatically generate a stacktrace.
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How to import an existing X.509 certificate and private key in Java keystore to use in SSL?
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Believe or not, keytool does not provide such basic functionality like importing private key to keystore. You can try this workaround with merging PKSC12 file with private key to a keystore:
keytool -importkeystore \
-deststorepass storepassword \
-destk...
How to extract numbers from a string and get an array of ints?
I have a String variable (basically an English sentence with an unspecified number of numbers) and I'd like to extract all the numbers into an array of integers. I was wondering whether there was a quick solution with regular expressions?
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Running shell command and capturing the output
...nt to write a function that will execute a shell command and return its output as a string , no matter, is it an error or success message. I just want to get the same result that I would have gotten with the command line.
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How can I account for period (AM/PM) using strftime?
Specifically I have code that simplifies to this:
4 Answers
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