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How to thoroughly purge and reinstall postgresql on ubuntu? [closed]
Somehow I've managed to completely bugger the install of postgresql on Ubuntu karmic. I want to start over from scratch, but when I "purge" the package with apt-get it still leaves traces behind such that the reinstall configuration doesn't run properly.
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Convert RGB to RGBA over white
I have a hex color, e.g. #F4F8FB (or rgb(244, 248, 251) ) that I want converted into an as-transparent-as-possible rgba color (when displayed over white). Make sense? I'm looking for an algorithm, or at least idea of an algorithm for how to do so.
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How to get client's IP address using JavaScript?
...08",
"offset": "+0800",
"is_dst": false,
"current_time": "2018-05-09T12:28:49.183674+08:00"
},
"threat": {
"is_tor": false,
"is_proxy": false,
"is_anonymous": false,
"is_known_attacker": false,
"is_known_abuser": false,
"is_threat": false,
"is_bogon": fals...
Javascript - How to detect if document has loaded (IE 7/Firefox 3)
I want to call a function after a document loads, but the document may or may not have finished loading yet. If it did load, then I can just call the function. If it did NOT load, then I can attach an event listener. I can't add an eventlistener after onload has already fired since it won't get cal...
How do I check what version of Python is running my script?
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Adding a new entry to the PATH variable in ZSH
...ents.
– Franklin Yu
Mar 6 '19 at 15:05
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How do I get the find command to print out the file size with the file name?
If I issue the find command as follows:
15 Answers
15
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Difference between StringBuilder and StringBuffer
What is the main difference between StringBuffer and StringBuilder ?
Is there any performance issues when deciding on any one of these?
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rails 3.1.0 ActionView::Template::Error (application.css isn't precompiled)
I made a basic rails app with a simple pages controller with an index function and when I load the page I get:
14 Answers
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Forward declaration of nested types/classes in C++
I recently got stuck in a situation like this:
7 Answers
7
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