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Make a Bash alias that takes a parameter?
... is to just do an exec bash: It will start a new shell, giving you a clean read of your configs, just as if you closed and reopened, but keeping that session's environment variable settings too. Also, executing bash without the exec can be useful when you want to handle thinks like a stack.
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Compile time string hashing
I have read in few different places that using C++11's new string literals it might be possible to compute a string's hash at compile time. However, no one seems to be ready to come out and say that it will be possible or how it would be done.
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What's “P=NP?”, and why is it such a famous question? [closed]
...h has discrete cells into which a finite set of symbols can be written and read. At any given time, the TM is in one of its states, and it is looking at a particular cell on the tape. Depending on what it reads from that cell, it can write a new symbol into that cell, move the tape one cell forwar...
Chained method calls indentation style in Python [duplicate]
From reading PEP-8, I get it that you should put the closing parenthesis on the same line as the last argument in function calls:
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capturing self strongly in this block is likely to lead to a retain cycle
...n,current]];
} else {
// self doesn't exist
}
}];
I have read this article many times. This is an excellent article by Erica Sadun on
How To Avoid Issues When Using Blocks And NSNotificationCenter
Swift update:
For example, in swift a simple method with success block would be:...
Determining memory usage of objects? [duplicate]
...f some_list is reported as the same size as some_other_list, but if I only read from some_list then the memory is being shared. Can someone confirm if this is correct?
– savagent
Sep 25 '14 at 1:42
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What is JSON and why would I use it?
I've looked on wikipedia and Googled it and read the official documentation, but I still haven't got to the point where I really understand what JSON is, and why I'd use it.
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What is AssemblyInfo.cs used for?
... description, version, etc. You can find more details about its content
reading the comments that are included in it.
If you delete it, your assembly will be compiled with no information,
i.e., in the Details tab of the file properties you will see no name,
no description, version 0.0.0....
How do I create an Excel (.XLS and .XLSX) file in C# without installing Microsoft Office?
How can I create an Excel spreadsheet with C# without requiring Excel to be installed on the machine that's running the code?
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Correct use of flush() in JPA/Hibernate
...'m not quite clear when to use it and how to use it correctly. From what I read, my understanding is that the contents of the persistence context will be synchronized with the database, i. e. issuing outstanding statements or refreshing entity data.
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