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Modifying a subset of rows in a pandas dataframe

... | edited Dec 3 '18 at 6:52 answered Sep 6 '12 at 19:37 ...
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Formatting a number with exactly two decimals in JavaScript

...hich rounds my numbers to two decimal places. But I get numbers like this: 10.8, 2.4, etc. These are not my idea of two decimal places so how I can improve the following? ...
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ERROR 2003 (HY000): Can't connect to MySQL server on '127.0.0.1' (111)

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UITableView - scroll to the top

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Is object empty? [duplicate]

...th: 0, custom_property: []}), // true isEmpty("Hello"), // false isEmpty([1,2,3]), // false isEmpty({test: 1}), // false isEmpty({length: 3, custom_property: [1,2,3]}) // false If you only need to handle ECMAScript5 browsers, you can use Object.getOwnPropertyNames instead of the hasOwnProperty lo...
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Can a class member function template be virtual?

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How to compare versions in Ruby?

... Gem::Version.new('0.4.1') > Gem::Version.new('0.10.1') share | improve this answer | follow | ...
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Eclipse RCP开发桌面程序 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...候,会先执行Application的run方法,run方法的代码如下: 1 public Object run(Object args) throws Exception { 2 Display display = PlatformUI.createDisplay(); 3 try { 4 int returnCode = PlatformUI.createAndRunWorkbench(display, new Ap...
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How to draw a rounded Rectangle on HTML Canvas?

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How to check if a string is a valid hex color representation?

...d support for 3-character HEX codes, use the following: /^#([0-9A-F]{3}){1,2}$/i.test('#ABC') The only difference here is that [0-9A-F]{6} is replaced with ([0-9A-F]{3}){1,2} This means that instead of matching exactly 6 characters, it will match exactly 3 characters, but 1 or 2 times. Al...