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How to iterate over a JavaScript object?

...can iterate on your properties by index: yourobject[keys[i]] : for (let i=300; i < keys.length && i < 600; i++) { console.log(keys[i], yourobject[keys[i]]); } share | improve thi...
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Why can tuples contain mutable items?

...the overall tuple isn't hashable either. For example, t = ('red', [10, 20, 30]) isn't hashable. The last example shows a 2-tuple that contains a string and a list. The tuple itself isn't mutable (i.e. it doesn't have any methods that for changing its contents). Likewise, the string is immutable b...
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Changing my CALayer's anchorPoint moves the view

... 139 The Layer Geometry and Transforms section of the Core Animation Programming Guide explains the ...
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Overriding the java equals() method - not working?

... 329 In Java, the equals() method that is inherited from Object is: public boolean equals(Object o...
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Check if a Windows service exists and delete in PowerShell

... 238 You can use WMI or other tools for this since there is no Remove-Service cmdlet until Powershel...
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Very simple log4j2 XML configuration file using Console and File appender

... <PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n" /> </Console> <File name="MyFile" fileName="all.log" immediateFlush="false" append="false"> <PatternLayout pattern="%d{yyy-MM-dd HH:mm:ss.SSS} [%t] %-5level %logger{...
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Importing from builtin library when module with same name exists

...ppropriate way to load a module directly from a file path for python >= 3.5: import importlib.util import sys # For illustrative purposes. import tokenize file_path = tokenize.__file__ # returns "/path/to/tokenize.py" module_name = tokenize.__name__ # returns "tokenize" spec = importlib.util...
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Make first letter of a string upper case (with maximum performance)

...f the string. – flindeberg Aug 26 '13 at 14:22 3 Awesome - Using Linq makes it very clear what th...
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How comment a JSP expression?

... community wiki 3 revs, 2 users 95%insin add a comment  | ...