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Input and output numpy arrays to h5py

I have a Python code whose output is a sized matrix, whose entries are all of the type float . If I save it with the extension .dat the file size is of the order of 500 MB. I read that using h5py reduces the file size considerably. So, let's say I have the 2D numpy array named A . How do I ...
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Frame Buster Buster … buster code needed

... who may want to iframe your site just to take a peek at it, though not to allow use of it. Ideally, I think a screenshot of the site's homepage should be used, with some explanation of why it can't be used in the iframe overlaid on top. – wheresrhys Feb 11 '10...
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Stop caching for PHP 5.5.3 in MAMP

Installed MAMP on a new Macbook with PHP 5.5.3. 9 Answers 9 ...
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How can I use xargs to copy files that have spaces and quotes in their names?

... You can combine all of that into a single find command: find . -iname "*foobar*" -exec cp -- "{}" ~/foo/bar \; This will handle filenames and directories with spaces in them. You can use -name to get case-sensitive results. Note: The ...
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Validating IPv4 addresses with regexp

...so it ends with a word boundary rather than with the end of line? Additionally here I've marked the non-capturing groups to avoid unwanted sub-matches. NB: This still doesn't take into account @dty's comment as I'm not familiar with that form of IP; though he's correct that it seems valid. ...
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What is the easiest way to remove the first character from a string?

... only does one and finishes. Consider gsub like it's a minimum of two sub calls. Also, it's important to remember that gsub, and sub can also be handicapped by poorly written regex which match much more slowly than a sub-string search. If possible anchor the regex to get the most speed from it. Th...
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Preloading images with jQuery

...(see link). It looks like '$('<img src="' + this + '" />') would actually create the element within a hidden DIV, because it is more "complicated". However, I don't think this is needed for most browsers. – JoshNaro Feb 11 '11 at 15:30 ...
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How to keep environment variables when using sudo

... To allow -E (preserve environment) for wget, you need to specify the SETENV tag on the sudo rule that allows the running of wget -- Example: <username> ALL=(root) NOPASSWD:SETENV: <path to wget> ...
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Stacking Divs from Bottom to Top

... All the answers miss the scrollbar point of your question. And it's a tough one. If you only need this to work for modern browsers and IE 8+ you can use table positioning, vertical-align:bottom and max-height. See MDN for spe...
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What are five things you hate about your favorite language? [closed]

...ld be matched to another NULL value. If you understand this (what also is called ternary logic) than you might understand the reason for introducing the "IS" operator for testing against NULL. – Alex Aug 26 '10 at 16:58 ...