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Detecting that the browser has no mouse and is touch-only

... classes of devices/use cases: Mouse and keyboad (desktop) Touch only (phone/tablet) Mouse, keyboard, and touch (touch laptops) Touch and keyboard (bluetooth keyboard on tablet) Mouse only (Disabled user/browsing preference) Keyboard only (Disabled user/browsing preference) Touch and mouse (ie ho...
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how to check the dtype of a column in python pandas

... It is most native answer. But one should be aware of some caveats here. – BeforeFlight Jun 2 '19 at 2:09 ...
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Why are C# 3.0 object initializer constructor parentheses optional?

It seems that the C# 3.0 object initializer syntax allows one to exclude the open/close pair of parentheses in the constructor when there is a parameterless constructor existing. Example: ...
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How to calculate the number of days between two dates? [duplicate]

... const oneDay = 24 * 60 * 60 * 1000; // hours*minutes*seconds*milliseconds const firstDate = new Date(2008, 1, 12); const secondDate = new Date(2008, 1, 22); const diffDays = Math.round(Math.abs((firstDate - secondDate) / oneDay));...
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Single Page Application: advantages and disadvantages [closed]

... Let's look at one of the most popular SPA sites, GMail. 1. SPA is extremely good for very responsive sites: Server-side rendering is not as hard as it used to be with simple techniques like keeping a #hash in the URL, or more recently HT...
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urlencode vs rawurlencode?

...ther systems is important then it seems rawurlencode is the way to go. The one exception is legacy systems which expect the query string to follow form-encoding style of spaces encoded as + instead of %20 (in which case you need urlencode). rawurlencode follows RFC 1738 prior to PHP 5.3.0 and RFC 3...
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Why does one often see “null != variable” instead of “variable != null” in C#?

...@Benjol Don't forget to always supply an empty else { } clause in case someone needs to add something there later and forgets to write the else keyword themselves. (Joke) – Jeppe Stig Nielsen May 3 '13 at 21:42 ...
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Getting a map() to return a list in Python 3.x

...eneralizations UPDATE Always seeking for shorter ways, I discovered this one also works: *map(chr, [66, 53, 0, 94]), Unpacking works in tuples too. Note the comma at the end. This makes it a tuple of 1 element. That is, it's equivalent to (*map(chr, [66, 53, 0, 94]),) It's shorter by only one ...
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Uploading both data and files in one form using Ajax?

... submit data and files but I'm not sure how to send both data and files in one form? 10 Answers ...
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Measuring elapsed time with the Time module

...age: @profile def your_function(...): ... You can profile more then one function simultaneously. Then to print measurements just call the print_prof_data(): share | improve this answer ...