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Preferred way of loading resources in Java

...ings that getResource/getResourceAsStream() will get from the class it is called on... The class loader The starting location So if you do this.getClass().getResource("foo.txt"); it will attempt to load foo.txt from the same package as the "this" class and with the class loader of the "this"...
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What does $$ (dollar dollar or double dollar) mean in PHP?

... resolves a variable by that string. So, consider this example $inner = "foo"; $outer = "inner"; The variable: $$outer would equal the string "foo" share | improve this answer | ...
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Optional Methods in Java Interface

...lections are an exception" suggests a very fuzzy understanding of what's really going on here. It's important to realize that there are sort of two levels of conforming to an interface: What the Java language can check. This pretty much just boils down to: is there some implementation for each of...
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What is the difference between parseInt(string) and Number(string) in JavaScript? [duplicate]

...dendum to @sjngm's answer: They both also ignore whitespace: var foo = " 3 "; console.log(parseInt(foo)); // 3 console.log(Number(foo)); // 3 It is not exactly correct. As sjngm wrote parseInt parses string to first number. It is true. But the problem is when you want to parse ...
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Split by comma and strip whitespace in Python

...x.strip() for x in text.split('.') if x != ''] – RandallShanePhD Jul 28 '17 at 19:41 ...
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How to access array elements in a Django template?

...o template is used for four different notations in Python. In a template, foo.bar can mean any of: foo[bar] # dictionary lookup foo.bar # attribute lookup foo.bar() # method call foo[bar] # list-index lookup It tries them in this order until it finds a match. So foo.3 wi...
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How is the “greater than” or “>” character used in CSS?

...a CSS child selector. P > SPAN means applying the style that follows to all SPAN tags that are children of a P tag. Note that "child" means "immediate descendant", not just any descendant. P SPAN is a descendant selector, applying the style that follows to all SPAN tags that are children of a P ...
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Remove a fixed prefix/suffix from a string in Bash

... argument list, and There are no spaces in $prefix and $suffix It's generally good practice to quote a string on the command line because even if it contains spaces it will be presented to the command as a single argument. We quote $prefix and $suffix for the same reason: each edit command to sed ...
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AngularJS: How to clear query parameters in the URL?

...to do that I need to redirect the user to a LinkedIn URL which contains a callback redirect_uri parameter which will tell LinkedIn to redirect the user back to my webapp and include a "code" query param in the URL. It's a traditional Oauth 2.0 flow. ...
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How to split one string into multiple variables in bash shell? [duplicate]

...how you can read each individual character into array elements: $ read -a foo <<<"$(echo "ABCDE-123456" | sed 's/./& /g')" Dump the array: $ declare -p foo declare -a foo='([0]="A" [1]="B" [2]="C" [3]="D" [4]="E" [5]="-" [6]="1" [7]="2" [8]="3" [9]="4" [10]="5" [11]="6")' If there...