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Storing Image Data for offline web application (client-side storage database)

...; FF for Android Fetch from web server using XHR2 (supported on almost all browsers) for blob download from web server I went with XHR2-Lib by Phil Parsons, which is very much like JQUERY .ajax() https://github.com/p-m-p/xhr2-lib Storage IndexedDB for IE and FireFox Chrome: Polyfill (blo...
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Large, persistent DataFrame in pandas

...(here's a tedious one: you could transcribe the file row-by-row into a pre-allocated NumPy array or memory-mapped file--np.mmap), but it's one I'll be working on in the near future. Another solution is to read the file in smaller pieces (use iterator=True, chunksize=1000) then concatenate then with ...
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Go Error Handling Techniques [closed]

...ome would disagree for sure, but I would argue that this is the style seen all over the standard libraries in Golang. In other words, Go authors write error handling in this way. share | improve thi...
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Printing the correct number of decimal points with cout

... @blackforest-tom -- Maybe you are right, can't recall --- I generally copy-paste working programs, so this might have run as-is in Visual Studio or somewhere else. – Manohar Reddy Poreddy Oct 9 '19 at 15:21 ...
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How does std::move() transfer values into RValues?

...ch I cleaned up a little bit): template <typename T> typename remove_reference<T>::type&& move(T&& arg) { return static_cast<typename remove_reference<T>::type&&>(arg); } Let's start with the easier part - that is, when the function is called wi...
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How can I delete one element from an array by value

... I personally like [1, 2, 3, 4, 5] - [3] which results in => [1, 2, 4, 5] from irb. – Travis Apr 5 '12 at 19:31 ...
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How to change SmartGit's licensing option after 30 days of commercial use on ubuntu?

while installing smartgit 3.0.4 I checked the commercial licensing option, because I was just clicking "next" button : ) (30 day trial and then you have to buy it). Now today is my 31st day of using SG and I can't change my licensing options (reinstalling smartgit doesn't help) and I'm not able to u...
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What is the difference among col-lg-*, col-md-* and col-sm-* in Bootstrap?

...a new -xl- size, see this demo. Also the -xs- infix has been removed, so smallest columns are simply col-1, col-2.. col-12, etc.. col-* - 0 (xs) col-sm-* - 576px col-md-* - 768px col-lg-* - 992px col-xl-* - 1200px Bootstrap 4 Grid Demo Additionally, Bootstrap 4 includes new auto-layout columns. Thes...
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how to convert an RGB image to numpy array?

... For future reference: $ pip install opencv-python to install opencv – Kyle C Aug 9 '18 at 22:17 2 ...
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Get Base64 encode file-data from Input Form

...beginning stuff (up to the first ,), but that's no biggie. This would take all the fun out though. The hard way: If you want to try it the hard way (or it doesn't work), look at readAsArrayBuffer(). This will give you a Uint8Array and you can use the method specified. This is probably only useful ...