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Programmatically open new pages on Tabs

...cript you can use window.open('page.html','_newtab'); Said that, I partially agree with Sam. You shouldn't force user to open new pages or new tab without showing them a hint on what is going to happen before they click on the link. Let me know if it works on other browser too (I don't have a ch...
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Replace multiple strings with multiple other strings

...j[matched]; }); jsfiddle example Generalizing it If you want to dynamically maintain the regex and just add future exchanges to the map, you can do this new RegExp(Object.keys(mapObj).join("|"),"gi"); to generate the regex. So then it would look like this var mapObj = {cat:"dog",dog:"goat"...
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Why do you have to call .items() when iterating over a dictionary in Python?

...en that for every other type of builtin iterable that I can think of, x in foo only if i in for i in foo assumes the value of x at some point, I would say that it would be a very huge inconsistency. – aaronasterling Sep 19 '10 at 5:49 ...
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How to Batch Rename Files in a macOS Terminal?

...g). If you find yourself batch-renaming files frequently, consider installing a specialized tool such as the Perl-based rename utility. On macOS you can install it using popular package manager Homebrew as follows: brew install rename Here's the equivalent of the command at the top using rena...
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What's an elegant way to conditionally add a class to an HTML element in a view?

...sses where the boolean value evaluated to true. Sample Usage class_names(foo: true, bar: false, baz: some_truthy_variable) # => "foo baz" Other Use Cases This helper can be used within ERB tags or with Rails helpers such as link_to. <div class="<%= class_string(ok: @success) %>"&gt...
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Repeat string to certain length

... that need to be // in Python 3? Or dropping the +1 and using an explicit call to a ceiling function would suffice. Also, a note: the string generated actually has an extra repetition when it divides evenly; the extra gets cut off by the splice. That confused me at first. – jpm...
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How to use range-based for() loop with std::map?

... called structured bindings, which allows for the following: std::map< foo, bar > testing = { /*...blah...*/ }; for ( const auto& [ k, v ] : testing ) { std::cout << k << "=" << v << "\n"; } ...
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How do I check if a directory exists? “is_dir”, “file_exists” or both?

...post input and uses it as-is, plus makes 0777 dir, prolly not that safe at all ;P – sEver Aug 20 '13 at 16:45 2 ...
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Join strings with a delimiter only if strings are not null or empty

... .filter(Boolean) (which is the same as .filter(x => x)) removes all "falsy" values (nulls, undefineds, empty strings etc). If your definition of "empty" is different, then you'll have to provide it, for example: [...].filter(x => typeof x === 'string' && x.length > 0) wi...
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Regular expression to match URLs in Java

...s. */ public class Patterns { /** * Regular expression to match all IANA top-level domains. * List accurate as of 2011/07/18. List taken from: * http://data.iana.org/TLD/tlds-alpha-by-domain.txt * This pattern is auto-generated by frameworks/ex/common/tools/make-iana-tl...