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Can a shell script set environment variables of the calling shell? [duplicate]

...d ln -s setit setit-csh Now either directly or in an alias, you do this from sh eval `setit-sh` or this from csh eval `setit-csh` setit uses $0 to determine its output style. This is reminescent of how people use to get the TERM environment variable set. The advantage here is that setit i...
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Check status of one port on remote host [closed]

...known ip: nmap -A 192.168.0.5/32 -p 23 For example, look for open ports from 20 to 30 on host.example.com: nc -z host.example.com 20-30 share | improve this answer | fol...
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Google Analytics - Failed to load resource: http://www.google-analytics.com/ga.js

...ly. yagudaev suggests (read answers below) that in order to keep AdBlock from blocking Google Analytics, you need to edit the snippet provided and explicitly use https:// instead of the protocol-relative URL by default. This means changing '//www.google-analytics.com/analytics.js' into 'https...
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When would you call java's thread.run() instead of thread.start()?

...urrently working with: I have a program that can either be run as a GUI or from the command line. In the GUI case, I want the object that does the heavy lifting to run on a separate thread and send updates to the gui. In the command line mode, I don't need that separate thread. ...
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What is a non-capturing group in regular expressions?

...groups serve many purposes. They can help you to extract exact information from a bigger match (which can also be named), they let you rematch a previous matched group, and can be used for substitutions. Let's try some examples, shall we? Imagine you have some kind of XML or HTML (be aware that reg...
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What is considered a good response time for a dynamic, personalized web application? [closed]

...includes dynamic content and personalization, what is a good response time from the server (so excluding network latency and browser rendering time)? I'm thinking about sites like Facebook, Amazon, MyYahoo, etc. A related question is what is a good response time for a backend service? ...
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Command to remove all npm modules globally?

...ere quickly by typing %appdata%/npm in either the explorer, run prompt, or from the start menu. share | improve this answer | follow | ...
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Why is using “for…in” for array iteration a bad idea?

...r (var i = 0; i < a.length; i++) { // Iterate over numeric indexes from 0 to 5, as everyone expects. console.log(a[i]); } /* Will display: undefined undefined undefined undefined undefined 5 */ can sometimes be totally different from the other: v...
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Remove grid, background color, and top and right borders from ggplot2

... Simplification from the above Andrew's answer leads to this key theme to generate the half border. theme (panel.border = element_blank(), axis.line = element_line(color='black')) ...
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How to log something in Rails in an independent log file?

... the standard development.log or production.log. I want to do this logging from a model class. 9 Answers ...