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Writing a compiler in its own language
Intuitively, it would seems that a compiler for language Foo cannot itself be written in Foo. More specifically, the first compiler for language Foo cannot be written in Foo, but any subsequent compiler could be written for Foo .
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How to check if a Constraint exists in Sql server?
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Search for string and get count in vi editor
I want to search for a string and find the number of occurrences in a file using the vi editor.
8 Answers
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How do I upload a file with metadata using a REST web service?
I have a REST web service that currently exposes this URL:
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Iterate through pairs of items in a Python list [duplicate]
Is it possible to iterate a list in the following way in Python (treat this code as pseudocode)?
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What is your favorite C programming trick? [closed]
For example, I recently came across this in the linux kernel:
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Why does “return list.sort()” return None, not the list?
I've been able to verify that the findUniqueWords does result in a sorted list . However, it does not return the list. Why?
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printf() formatting for hex
This is more of a curious query than an important question, but why when printing hex as an 8 digit number with leading zeros, does this %#08X Not display the same result as 0x%08X ?
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Node.js throws “btoa is not defined” error
In my node.js application I did an npm install btoa-atob so that I could use the btoa() and atob() functions which are native in client-side javascript but for some reason weren't included in node. The new directory showed up in my node_modules folder, which itself is in root alongside app....
How do I pass a string into subprocess.Popen (using the stdin argument)?
If I do the following:
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