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Easier way to create circle div than using an image?

...lt;div class="circleBase type3"></div> To make this work in IE8 and older, you must download and use CSS3 PIE. My demo above won't work in IE8, but that's only because jsFiddle doesn't host PIE.htc. My demo looks like this: ...
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Is null check needed before calling instanceof?

... operator is true if the value of the RelationalExpression is not null and the reference could be cast to the ReferenceType without raising a ClassCastException. Otherwise the result is false." So if the operand is null, the result is false. ...
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Switching the order of block elements with CSS [duplicate]

... <title>foobar</title> <style> @media screen and (max-width:300px){ #parent{ display:flex; flex-flow: column; } #a{order:2;} #c{order:1;} #b{order:3;} } </style> </head> <body> ...
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In PHP, how do you change the key of an array element?

...r it is not a sequential numerical value. The key is actually an ID number and the value is a count. This is fine for most instances, however I want a function that gets the human-readable name of the array and uses that for the key, without changing the value. ...
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What is the difference between pip and conda?

...ed in the python world for so long, we are all aware of pip, easy_install, and virtualenv, but these tools did not meet all of our specific requirements. The main problem is that they are focused around Python, neglecting non-Python library dependencies, such as HDF5, MKL, LLVM, etc., which do not h...
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Android Webview - Completely Clear the Cache

I have a WebView in one of my Activities, and when it loads a webpage, the page gathers some background data from Facebook. ...
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How can I delete the current line in Emacs?

... If you want to delete a number of whole lines, you can prefix the command with a number: C-u 5 C-S-backspace # deletes 5 whole lines M-5 C-S-backspace # deletes 5 whole lines C-u C-S-backspace # delete 4 whole lines. C-u without a number defaults to 4 C-u -5 C-S-backspace # de...
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How to get last key in an array?

... A solution would be to use a combination of end and key (quoting) : end() advances array 's internal pointer to the last element, and returns its value. key() returns the index element of the current array position. So, a portion of code such as this one should do th...
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How to get the browser viewport dimensions?

... Cross-browser @media (width) and @media (height) values  const vw = Math.max(document.documentElement.clientWidth || 0, window.innerWidth || 0) const vh = Math.max(document.documentElement.clientHeight || 0, window.innerHeight || 0) window.innerWidth a...
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Best way to convert strings to symbols in hash

... That's exactly what I was looking for. I modified it a bit and added some lines to even create symbols in nestled hashes. Have a look here, if you're interested: any-where.de/blog/ruby-hash-convert-string-keys-to-symbols – Matt Aug 19 '09 at 14:...