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How can you profile a Python script?
...m time to run or people boast of how fast their particular solution runs. With Python, sometimes the approaches are somewhat kludgey - i.e., adding timing code to __main__ .
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How to completely uninstall Visual Studio 2010?
...emove Visual Studio 2010 from my computer. When you install Visual Studio, it also installs a bunch of programs (about 55) in the add/remove programs panel ( appwiz.cpl ).
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Traversing text in Insert mode
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You seem to misuse vim, but that's likely due to not being very familiar with it.
The right way is to press Esc, go where you want to do a small correction, fix it, go back and keep editing. It is effective because Vim has much more movements than usual character forward/backward/up/down. After ...
How does the “this” keyword work?
...n't appear to be a clear explanation of what the this keyword is and how it is correctly (and incorrectly) used in JavaScript on the Stack Overflow site.
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Random shuffling of an array
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Using Collections to shuffle an array of primitive types is a bit of an overkill...
It is simple enough to implement the function yourself, using for example the Fisher–Yates shuffle:
import java.util.*;
import java.util.concurrent.ThreadLocalRandom;
class Test
{
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Adding a new entry to the PATH variable in ZSH
...Here, add this line to .zshrc:
export PATH=/home/david/pear/bin:$PATH
EDIT: This does work, but ony's answer below is better, as it takes advantage of the structured interface ZSH provides for variables like $PATH. This approach is standard for bash, but as far as I know, there is no reason to us...
What are Aggregates and PODs and how/why are they special?
...to know about both aggregates and PODs (Plain Old Data) take time and read it. If you are interested just in aggregates, read only the first part. If you are interested only in PODs then you must first read the definition, implications, and examples of aggregates and then you may jump to PODs but I ...
How do I test if a string is empty in Objective-C?
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You can check if [string length] == 0. This will check if it's a valid but empty string (@"") as well as if it's nil, since calling length on nil will also return 0.
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Is there a way to ignore header lines in a UNIX sort?
...file which I'm trying to sort using the UNIX (Cygwin, in my case) sort utility.
12 Answers
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Is it possible to have SSL certificate for IP address, not domain name?
I want my site to use URLs like http://192.0.2.2/... and https://192.0.2.2/... for static content to avoid unnecessary cookies in request AND avoid additional DNS request.
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