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Should image size be defined in the img tag height/width attributes or in CSS? [duplicate]

...bitrary user agent (e.g. a speech browser) should have that information in order to relate it to the user. At the least, the aspect ratio could prove useful ("image has a width of 15 and a height of 200"). Such user agents wouldn't necessarily process any CSS. The spec says that the width and heigh...
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Relative imports in Python 2.7

...ia sys.path . Additional code that manipulates sys.path would be needed in order for direct execution to work without the top level package already being importable." -- this is the most disturbing bit to me since this "additional code" is actually quite long and can't be stored elsewhere in package...
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Will docker container auto sync time with the host machine?

...our docker container cannot be resolved by running your container with -v /etc/localtime:/etc/localtime:ro Instead, for now, you have to periodically run this on OSX: /usr/local/bin/boot2docker ssh sudo ntpclient -s -h pool.ntp.org Update for users of Kitematic If you are running Kitematic, wh...
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Input and output numpy arrays to h5py

...pe 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 save it to an h5py file? Also, how do I read the same file and put it as a numpy array ...
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How to detect DIV's dimension changed?

... slow as hell. A requestAnimationFrame that checks for a simple boolean is orders of magnitude faster than a setTimeout checking all the time against DOM properties. Beside that setTimeout is also called every few milliseconds. – Marc J. Schmidt Mar 17 '16 at 1...
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How to prevent browser page caching in Rails

...tion test (BURP, Detectify, etc.), you can install this Gem on Rails 4+ in order to add the following headers to all responses: Cache-Control: no-cache, no-store, max-age=0, must-revalidate Pragma: no-cache Expires: -1 Works like a charm and is really the right way to go for secure, HTTPS web app...
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@OneToMany List vs Set difference

... column specified, will just be handled as a bag by Hibernate (no specific ordering). One notable difference in the handling of Hibernate is that you can't fetch two different lists in a single query. For example, if you have a Person entity having a list of contacts and a list of addresses, you w...
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How to make a SIMPLE C++ Makefile

...hat is, it takes care of knowing what commands need to be executed in what order to take your software project from a collection of source files, object files, libraries, headers, etc., etc.---some of which may have changed recently---and turning them into a correct up-to-date version of the program...
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How to know when UITableView did scroll to bottom in iPhone

I would like to know when a UITableView did scroll to bottom in order to load and show more content, something like a delegate or something else to let the controller know when the table did scroll to bottom. ...
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How to Create Grid/Tile View?

...ntainer #flex-container { display: flex; flex-flow: column wrap; } Reorder the elements, so that the DOM order is respected horizontally instead of vertically. For example, if you want 3 columns, #flex-container > :nth-child(3n + 1) { order: 1; } /* 1st column */ #flex-container > :nth-...