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How to unzip a list of tuples into individual lists? [duplicate]
...l))
[(1, 3, 8), (2, 4, 9)]
The zip() function pairs up the elements from all inputs, starting with the first values, then the second, etc. By using *l you apply all tuples in l as separate arguments to the zip() function, so zip() pairs up 1 with 3 with 8 first, then 2 with 4 and 9. Those happen t...
How can I edit a view using phpMyAdmin 3.2.4?
...ck on your view in the list on the left to browse its data and then scroll all the way to the bottom where you'll see a CREATE VIEW link. Click that.
Place a check in the OR REPLACE field.
In the VIEW name put the name of the view you are going to update.
In the AS field put the contents of the quer...
How to style the option of an html “select” element?
...replacement plug-ins/libraries that look like a <select> but are actually composed of regular HTML elements that CAN be styled.
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Replace whole line containing a string using Sed
...cusDowning GNU sed does not require the space; it works just fine as originally posted. If your particular sed requires the space, then by all means note which sed is incompatible and add the necessary invocation as a comment. However, please don't change working code in an accepted answer.
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Your project contains error(s), please fix it before running it
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That usually comes from errors in the build path.
If you're using eclipse, there is a view you can add that lists all the errors called "Problems":
Otherwise, you can try to clean the project, and that usually solves a few proble...
How do I import global modules in Node? I get “Error: Cannot find module ”?
I am trying to setup Node on Mac OSX Lion. It all seems to work ok, but I can't seem to import anything modules from my global modules folder. I get the error,
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Cookies vs. sessions
...ad of sessions? I have just that reason (that I do not need to store internally information about the user). Is that enough as a reason ? or it's more than that?
Could you please tell me about advantages/disadvantages of using cookies for keeping User's ID?
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memory_get_peak_usage() with “real usage”
...ent is set to true the PHP DOCS say it will get the real size of memory allocated from system. If it's false it will get the memory reported by emalloc()
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connecting to MySQL from the command line
... authentication based on the user you logged in as, or not authenticate at all, but neither is a good idea, Specifying the password on the command line is even a slight security risk because it ends up in your command history and process tables. If you leave out the password it will ask you for it...
Google Chrome Printing Page Breaks
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I've used the following approach successfully in all major browsers including Chrome:
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content-type" content="text/html;charset=UTF-8" />
<title>Paginated HTML</title>
<sty...