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/bin/sh: pushd: not found
I am doing the following inside a make file
11 Answers
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How to sort in-place using the merge sort algorithm?
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Knuth left this as an exercise (Vol 3, 5.2.5). There do exist in-place merge sorts. They must be implemented carefully.
First, naive in-place merge such as described here isn't the right solution. It downgrades the performance to O(N2).
The idea is to sort part of the array while usin...
Get all unique values in a JavaScript array (remove duplicates)
...that I need to make sure are unique. I found the code snippet below on the internet and it works great until the array has a zero in it. I found this other script here on Stack Overflow that looks almost exactly like it, but it doesn't fail.
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Find an item in List by LINQ?
Here I have a simple example to find an item in a list of strings. Normally I use for loop or anonymous delegate to do it like this:
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How do Trigonometric functions work?
So in high school math, and probably college, we are taught how to use trig functions, what they do, and what kinds of problems they solve. But they have always been presented to me as a black box. If you need the Sine or Cosine of something, you hit the sin or cos button on your calculator and you'...
Reverse a string in Python
There is no built in reverse function for Python's str object. What is the best way of implementing this method?
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How to enable NSZombie in Xcode?
I have an app that is crashing with no error tracing. I can see part of what is going on if I debug, but can't figure out which object is "zombie-ing".
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How to pass command line argument to gnuplot?
... from data file, say foo.data . Currently, I hardcoded the data file name in the command file, say foo.plt , and run command gnuplot foo.plg to plot data. However, I want to pass the data file name as a command argument, e.g. running command gnuplot foo.plg foo.data . How to parse the command l...
Array slices in C#
...ble, so your foo already is an IEnumerable<byte> itself.
Simply use LINQ sequence methods like Take() to get what you want out of it (don't forget to include the Linq namespace with using System.Linq;):
byte[] foo = new byte[4096];
var bar = foo.Take(41);
If you really need an array from ...
A Regex that will never be matched by anything
... a long talk with some of my fellow developers and it sounded like a fun thing to think of.
26 Answers
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