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HTML img scaling

... Only set the width or height, and it will scale the other automatically. And yes you can use a percentage. The first part can be done, but requires JavaScript, so might not work for all users. share | ...
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WhatsApp API (java/python) [closed]

... on the GitHub. This however according to my knowledge is made possible in PHP. You can check the link here: https://github.com/venomous0x/WhatsAPI Hope this helps share | improve this answer ...
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In Vim, how do I apply a macro to a set of lines?

...at performs an operation on a single line. I want to repeat that macro on all of the remaining lines in the file. Is there a quick way to do this? ...
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Is memcached a dinosaur in comparison to Redis? [closed]

...ould not care too much about performances. Redis is faster per core with small values, but memcached is able to use multiple cores with a single executable and TCP port without help from the client. Also memcached is faster with big values in the order of 100k. Redis recently improved a lot about bi...
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NOT IN vs NOT EXISTS

...be the same at the moment but if either column is altered in the future to allow NULLs the NOT IN version will need to do more work (even if no NULLs are actually present in the data) and the semantics of NOT IN if NULLs are present are unlikely to be the ones you want anyway. When neither Products...
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jquery find closest previous sibling with class

... Try: $('li.current_sub').prevAll("li.par_cat:first"); Tested it with your markup: $('li.current_sub').prevAll("li.par_cat:first").text("woohoo"); will fill up the closest previous li.par_cat with "woohoo". ...
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(Built-in) way in JavaScript to check if a string is a valid number

... A very important note about parseInt is that it will allow you to specify a radix for converting the string to an int. This is a big gotcha as it tries to guess a radix for you if you don't supply it. So, for example: parseInt("17") results in 17 (decimal, 10), but parseInt("...
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Wait for all promises to resolve

...ltiple promise chains of an unknown length. I want some action to run when all the CHAINS have been processed. Is that even possible? Here is an example: ...
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How do I tokenize a string in C++?

... C++ standard library algorithms are pretty universally based around iterators rather than concrete containers. Unfortunately this makes it hard to provide a Java-like split function in the C++ standard library, even though nobody argues that this would be convenient. But wha...
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Is putting a div inside an anchor ever correct?

...flow elements. Otherwise, only phrasing elements (read default=inline) are allowed. Thus, if the a is in a form or div, it can contain a div, but inside a p, it can't. See w3.org/TR/html-markup/terminology.html – Patanjali Oct 24 '16 at 1:00 ...