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CSS opacity only to background color, not the text on it? [duplicate]

..., where the number 1 corresponds to 100% (full opacity). RGBa example rgba(51, 170, 51, .1) /* 10% opaque green */ rgba(51, 170, 51, .4) /* 40% opaque green */ rgba(51, 170, 51, .7) /* 70% opaque green */ rgba(51, 170, 51, 1) /* full opaque green */ A small example showing how ...
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java.lang.UnsupportedClassVersionError Unsupported major.minor version 51.0 [duplicate]

... Here's the list of versions: Java SE 9 = 53, Java SE 8 = 52, Java SE 7 = 51, Java SE 6.0 = 50, Java SE 5.0 = 49, JDK 1.4 = 48, JDK 1.3 = 47, JDK 1.2 = 46, JDK 1.1 = 45 share | improve this answer...
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how to change default python version?

... answered May 1 '18 at 21:51 Ryosuke HujisawaRyosuke Hujisawa 1,3571111 silver badges1414 bronze badges ...
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How do I find the authoritative name-server for a domain name?

...180.230#53 Non-authoritative answer: stackoverflow.com origin = ns51.domaincontrol.com # ("primary name server" on Windows) mail addr = dns.jomax.net # ("responsible mail addr" on Windows) serial = 2008041300 refresh = 28800 retry = 7200 expire ...
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Given a DateTime object, how do I get an ISO 8601 date in string format?

... | edited Mar 5 '19 at 9:51 Phil 6,02522 gold badges3838 silver badges6262 bronze badges answered Sep 2...
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How do I get the current time only in JavaScript

... var d = new Date("2011-04-20T09:30:51.01"); d.getHours(); // => 9 d.getMinutes(); // => 30 d.getSeconds(); // => 51 or var d = new Date(); // for now d.getHours(); // => 9 d.getMinutes(); // => 30 d.getSeconds(); // => 51 ...
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How to smooth a curve in the right way?

...,100) y = np.sin(x) + np.random.random(100) * 0.2 yhat = savitzky_golay(y, 51, 3) # window size 51, polynomial order 3 plt.plot(x,y) plt.plot(x,yhat, color='red') plt.show() UPDATE: It has come to my attention that the cookbook example I linked to has been taken down. Fortunately, the Savitzky-...
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Easiest way to check for an index or a key in an array?

...), there is a new -v option to built-in test command. array=([12]="red" [51]="black" [129]="blue") for i in 10 12 30 {50..52} {128..131};do if [ -v array[i] ];then echo "Variable 'array[$i]' is defined" else echo "Variable 'array[$i]' not exist" fi done Variable 'array...
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A fast method to round a double to a 32-bit int explained

... Now, to the magic number; as you correctly stated, 6755399441055744 is 2^51 + 2^52; adding such a number forces the double to go into the "sweet range" between 2^52 and 2^53, which, as explained by Wikipedia here, has an interesting property: Between 252=4,503,599,627,370,496 and 253=9,007,199...
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How can I make the cursor turn to the wait cursor?

... dmihailescudmihailescu 1,4151616 silver badges1414 bronze badges 2 ...