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Left align and right align within div in Bootstrap

...auto-margins (eg:ml-auto) in any flexbox container (row,navbar,card,d-flex,etc...) <div class="d-flex"> <div> left </div> <div class="ml-auto"> right </div> </div> Bootstrap 4 Align Demo Bootstrap 4 Right Align Example...
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How do you set, clear, and toggle a single bit?

...e always found using bitfields is a bad idea. You have no control over the order in which bits are allocated (from the top or the bottom), which makes it impossible to serialize the value in a stable/portable way except bit-at-a-time. It's also impossible to mix DIY bit arithmetic with bitfields, fo...
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CSS: Control space between bullet and

...well as semantics: if in future any javascript or new features development etc had a good reason to add extra spans to your content, things could get messy) – user56reinstatemonica8 Aug 7 '12 at 11:01 ...
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Linux c++ error: undefined reference to 'dlopen'

... I've found that the order of the options matters too. On a project using sqlite3, I have to put -ldl (and -lpthread) after -lsqlite3. Don't know what that is, I'm sure the answer is there if I would just RTFM. – user2918461...
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Flexbox: center horizontally and vertically

...: center; justify-content: center; } .row { width: auto; border: 1px solid blue; } .flex-item { background-color: tomato; padding: 5px; width: 20px; height: 20px; margin: 10px; line-height: 20px; color: white; font-weight: bold; font-si...
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Unable to open project… cannot be opened because the project file cannot be parsed

...ers wasn't enough; I had to add extra lines to the project.pbxproj file in order to maintain correct formatting. So, if you're running into parsing issues after you thought you'd resolved all you're merge conflicts, you might want to take a closer look at the .pbxproj and make sure there aren't any...
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Why do we need a pure virtual destructor in C++?

...ly method that even if it is pure virtual has to have an implementation in order to instantiate derived classes (yes pure virtual functions can have implementations). struct foo { virtual void bar() = 0; }; void foo::bar() { /* default implementation */ } class foof : public foo { void ba...
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Method can be made static, but should it?

... Performance, namespace pollution etc are all secondary in my view. Ask yourself what is logical. Is the method logically operating on an instance of the type, or is it related to the type itself? If it's the latter, make it a static method. Only move it into...
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Python: Why is functools.partial necessary?

...ly not all, because Guido and I assuredly are among those "familiar with" (etc) yet think of lambda as an eyesore anomaly in Python... He was repentant of ever having accepted it into Python whereas planned to remove it from Python 3, as one of "Python's glitches". I fully supported him in that. (I...
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How to change the opacity (alpha, transparency) of an element in a canvas element after it has been

...5 <canvas> element, I would like to load an image file (PNG, JPEG, etc.), draw it to the canvas completely transparently, and then fade it in. I have figured out how to load the image and draw it to the canvas, but I don't know how to change its opacity once it as been drawn. ...