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What's the difference between an id and a class?

...ascade and understand the precedence assigned to various selectors: http://www.w3.org/TR/CSS2/cascade.html The most basic precedence you should understand, however, is that id selectors take precedence over class selectors. If you had this: <p id="intro" class="foo">Hello!</p> and: ...
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Can an Android NFC phone act as an NFC tag?

... simple as creating a regular NFC android app. More details here: http://www.mail-archive.com/android-developers@googlegroups.com/msg152222.html A real question would be: why are you trying to emulate a simple old nfc tag? Is there some application I'm not thinking of? Usually, you'd want to em...
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pycharm running way slow

...ction : and Pycharm is quick and running fine now. Reference : https://www.jetbrains.com/help/pycharm/2017.1/tuning-pycharm.html#d176794e266 share | improve this answer | ...
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Open terminal here in Mac OS finder [closed]

... If you install Big Cat Scripts (http://www.ranchero.com/bigcat/) you can add your own contextual menu (right click) items. I don't think it comes with an Open Terminal Here applescript but I use this script (which I don't honestly remember if I wrote myself, or l...
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Canvas is stretched when using CSS but normal with “width” / “height” properties

...he size of the box in which it will be shown. This is explained at http://www.whatwg.org/html#attr-canvas-width (needs JS) or http://www.whatwg.org/c#attr-canvas-width (will probably eat your computer): The canvas element has two attributes to control the size of the element's bitmap: width and...
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#ifdef replacement in the Swift language

...fer to below link for more Swift Build Settings feature in Xcode 8: http://www.miqu.me/blog/2016/07/31/xcode-8-new-build-settings-and-analyzer-improvements/ share | improve this answer | ...
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R programming: How do I get Euler's number?

...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
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Is [CallerMemberName] slow compared to alternatives when implementing INotifyPropertyChanged?

...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
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Will docker container auto sync time with the host machine?

...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
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Is it possible to have empty RequestParam values use the defaultValue?

...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...