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What is the difference between CMD and ENTRYPOINT in a Dockerfile?

... | edited May 9 '18 at 20:46 Software Engineer 12.6k44 gold badges4949 silver badges7878 bronze badges ...
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Can you set a border opacity in CSS?

...ith the rgba color format. For example, this would give a red border with 50% opacity: div { border: 1px solid rgba(255, 0, 0, .5); -webkit-background-clip: padding-box; /* for Safari */ background-clip: padding-box; /* for IE9+, Firefox 4+, Opera, Chrome */ } The problem with this ap...
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iPhone Data Usage Tracking/Monitoring

... +50 The thing is that pdp_ip0 is one of interfaces, all pdpXXX are WWAN interfaces dedicated to different functions, voicemail, general ne...
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.toArray(new MyClass[0]) or .toArray(new MyClass[myList.size()])?

...est version, on Hotspot 8, is: MyClass[] arr = myList.toArray(new MyClass[0]); I have run a micro benchmark using jmh the results and code are below, showing that the version with an empty array consistently outperforms the version with a presized array. Note that if you can reuse an existing arr...
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Get ffmpeg information in friendly way

... would yield something like the following: { "streams": [{ "index": 0, "codec_name": "wmv3", "codec_long_name": "Windows Media Video 9", "codec_type": "video", "codec_time_base": "1/1000", "codec_tag_string": "WMV3", "codec_tag": "0x33564d57", "width": 320, "he...
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How to change the opacity (alpha, transparency) of an element in a canvas element after it has been

... 309 I am also looking for an answer to this question, (to clarify, I want to be able to draw an ima...
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Use HTML5 to resize an image before upload

...tos = function(url){ // Read in file var file = event.target.files[0]; // Ensure it's an image if(file.type.match(/image.*/)) { console.log('An image has been loaded'); // Load the image var reader = new FileReader(); reader.onload = function (reader...
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Peak signal detection in realtime timeseries data

...core at which the algorithm signals and influence = the influence (between 0 and 1) of new signals on the mean and standard deviation. For example, a lag of 5 will use the last 5 observations to smooth the data. A threshold of 3.5 will signal if a datapoint is 3.5 standard deviations away from the m...
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JavaScript function similar to Python range()

...ned') { // one param defined stop = start; start = 0; } if (typeof step == 'undefined') { step = 1; } if ((step > 0 && start >= stop) || (step < 0 && start <= stop)) { return []; } var result = []; for...
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What is IP address '::1'?

...1 is the loopback address in IPv6. Think of it as the IPv6 version of 127.0.0.1. See http://en.wikipedia.org/wiki/Localhost share | improve this answer | follow ...