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Real world use cases of bitwise operators [closed]

...te is defined by several "yes or no" properties. ACLs are a good example; if you have let's say 4 discrete permissions (read, write, execute, change policy), it's better to store this in 1 byte rather than waste 4. These can be mapped to enumeration types in many languages for added convenience. C...
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AngularJS ng-click stopPropagation

... console.log('inside the directive') }); }); } } } Now, you can easily use it in any button, link, div, etc. like so: <button set-survey-in-edition-mode >Edit survey</button> share ...
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awk without printing newline

...s printed after every line. You can change it to " " in the BEGIN section if you want everything printed consecutively. share | improve this answer | follow |...
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Print string to text file

...) text_file.write("Purchase Amount: %s" % TotalAmount) text_file.close() If you use a context manager, the file is closed automatically for you with open("Output.txt", "w") as text_file: text_file.write("Purchase Amount: %s" % TotalAmount) If you're using Python2.6 or higher, it's preferred...
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How do you send a HEAD HTTP request in Python 2?

... of a given URL so I can determine the MIME type. I want to be able to see if http://somedomain/foo/ will return an HTML document or a JPEG image for example. Thus, I need to figure out how to send a HEAD request so that I can read the MIME type without having to download the content. Does anyone ...
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How do I create a link using javascript?

... @Nadu - Please stop editing my answer. If you want a specific thing to be said, add one of your own; if it's not "different" enough to warrant it, it's not different enough to warrant an edit. – Jared Farrish Jan 30 '17 at 17...
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horizontal line and right way to code it in html, css

... <hr> is valid HTML5. It used represent a horizontal rule, but is now defined in semantic terms as a thematic break between content. Most browsers will still display it as a horizontal line unless told otherwise. Source: developer.mozilla.org/en-US/docs/Web/HTML/Element/hr ...
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Error handling in C code

... I like the error as return-value way. If you're designing the api and you want to make use of your library as painless as possible think about these additions: store all possible error-states in one typedef'ed enum and use it in your lib. Don't just return ints...
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Check a radio button with javascript

... Do not mix CSS/JQuery syntax (# for identifier) with native JS. Native JS solution: document.getElementById("_1234").checked = true; JQuery solution: $("#_1234").prop("checked", true); s...
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Thread-safe List property

... If you are targetting .Net 4 there are a few options in System.Collections.Concurrent Namespace You could use ConcurrentBag<T> in this case instead of List<T> ...