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SQL: How to get the count of each distinct value in a column?
I have a SQL table called "posts" that looks like this:
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How to see which plugins are making Vim slow?
Is there a way to profile Vim plugins?
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How to apply shell command to each line of a command output?
Suppose I have some output from a command (such as ls -1 ):
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Where does this come from: -*- coding: utf-8 -*-
Python recognizes the following as instruction which defines file's encoding:
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Are static fields open for garbage collection?
Given an hypothetical utility class that is used only in program setup:
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Downloading a large file using curl
I need to download remote file using curl.
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What is tail recursion?
Whilst starting to learn lisp, I've come across the term tail-recursive . What does it mean exactly?
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Convert a bitmap into a byte array
Using C#, is there a better way to convert a Windows Bitmap to a byte[] than saving to a temporary file and reading the result using a FileStream ?
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Handling very large numbers in Python
I've been considering fast poker hand evaluation in Python. It occurred to me that one way to speed the process up would be to represent all the card faces and suits as prime numbers and multiply them together to represent the hands. To whit:
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Force DOM redraw/refresh on Chrome/Mac
Every once in a while, Chrome will render perfectly valid HTML/CSS incorrectly or not at all. Digging in through the DOM inspector is often enough to get it to realize the error of its ways and redraw correctly, so it's provably the case that the markup is good. This happens frequently (and predi...