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How to print a double with two decimals in Android? [duplicate]

... yourTextView.setText(String.format("Value of a: %.2f", a)); share | improve this answer | follow | ...
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Android - Round to 2 decimal places [duplicate]

... You can use String.format("%.2f", d), your double will be rounded automatically. share | improve this answer | follow ...
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MongoDB sort排序、index索引教程 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

... 实例 col 集合中的数据如下: { "_id" : ObjectId("56066542ade2f21f36b0313a"), "title" : "PHP 教程", "description" : "PHP 是一种创建动态交互性站点的强有力的服务器端脚本语言。", "by" : "菜鸟教程", "url" : "https://www.tsingfun.com", "tags" : [ "php" ], "li...
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Dynamically generating a QR code with PHP [closed]

... https://chart.googleapis.com/chart?chs=300x300&cht=qr&chl=http%3A%2F%2Fwww.google.com%2F&choe=UTF-8 300x300 is the size of the QR image you want to generate, the chl is the url-encoded string you want to change into a QR code, and the choe is the (optional) encoding. The link, abov...
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Format floats with standard json module

...t json from json import encoder encoder.FLOAT_REPR = lambda o: format(o, '.2f') print(json.dumps(23.67)) print(json.dumps([23.67, 23.97, 23.87])) emits: 23.67 [23.67, 23.97, 23.87] as you desire. Obviously, there should be an architected way to override FLOAT_REPR so that EVERY representation...
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How to properly URL encode a string in PHP?

...', '%28', '%29', '%3B', '%3A', '%40', '%26', '%3D', '%2B', '%24', '%2C', '%2F', '%3F', '%25', '%23', '%5B', '%5D']; $replacements = ['!', '*', "'", "(", ")", ";", ":", "@", "&", "=", "+", "$", ",", "/", "?", "%", "#", "[", "]"]; return str_replace($entities, $repl...
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How to print binary tree diagram?

...gt; line = lines.get(i); int hpw = (int) Math.floor(perpiece / 2f) - 1; if (i > 0) { for (int j = 0; j < line.size(); j++) { // split node char c = ' '; if (j % 2 == 1) { ...
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How to toggle a value in Python

...stmt=stmt1) >>> t2=timeit.Timer(stmt=stmt2) >>> print "%.2f usec/pass" % (1000000 * t1.timeit(number=100000)/100000) 7.07 usec/pass >>> print "%.2f usec/pass" % (1000000 * t2.timeit(number=100000)/100000) 6.19 usec/pass stmt3=""" toggle = False for i in xrange(0,100): ...
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Unsupported major.minor version 52.0 [duplicate]

...wget --no-cookies --no-check-certificate --header "Cookie: gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie" "http://download.oracle.com/otn-pub/java/jdk/8u51-b16/jdk-8u51-linux-x64.tar.gz" # tar xzf jdk-8u51-linux-x64.tar.gz For 32 bit # cd /opt/ # wget --no-...
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How do I decode a URL parameter using C#?

... Try this: string decodedUrl = HttpUtility.UrlDecode("my.aspx?val=%2Fxyz2F"); share | improve this answer | follow | ...