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Fixed point vs Floating point number

...oint and floating point numbers due to hard to read definitions about them all over Google. But none that I have read provide a simple enough explanation of what they really are. Can I get a plain definition with example? ...
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Clone private git repo with dockerfile

...uke@pumalo.org" # Update aptitude with new repo RUN apt-get update # Install software RUN apt-get install -y git # Make ssh dir RUN mkdir /root/.ssh/ # Copy over private key, and set permissions # Warning! Anyone who gets their hands on this image will be able # to retrieve this private key file...
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How many concurrent requests does a single Flask process receive?

...tion and simply increasing the number of --workers, what you get is essentially a number of processes (managed by Gunicorn) that each behave like the app.run() development server. 4 workers == 4 concurrent requests. This is because Gunicorn uses its included sync worker type by default. It is impo...
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What does CultureInfo.InvariantCulture mean?

... Not all cultures use the same format for dates and decimal / currency values. This will matter for you when you are converting input values (read) that are stored as strings to DateTime, float, double or decimal. It will also ...
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What is the most appropriate way to store user settings in Android application

...o there's some security there, but physical access to a phone could potentially allow access to the values. If possible I'd consider modifying the server to use a negotiated token for providing access, something like OAuth. Alternatively you may need to construct some sort of cryptographic store, t...
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What is the difference between Serializable and Externalizable in Java?

...ava.io.Serializable but with custom-written mechanisms to perform the marshalling and unmarshalling functions (you need to implement readExternal and writeExternal methods on your class). This gives you the means to get around the reflection performance bottleneck. In recent versions of Java (1.3 ...
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Making WPF applications look Metro-styled, even in Windows 7? (Window Chrome / Theming / Theme)

...ern UI on GitHub. (.NET4.5 only) There is one more it's Elysium but I really didn't try this one. The style I did was really easy when I looked how it's done in these. Now I have my own Window and I can do whatever I want with xaml... for me it's the main reason why I did my own. And I made on...
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Assigning code to a variable

...: var ButtonClicked = new Action(() => MessageBox.Show("hi")); Then call it: ButtonClicked(); For completeness (in regards to the various comments)... As Erik stated, you could execute multiple lines of code: var ButtonClicked = new Action(() => { MessageBox.Show("hi"); Messag...
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Does Java casting introduce overhead? Why?

...casting, when you cast from a type to a wider type, which is done automatically and there is no overhead: String s = "Cast"; Object o = s; // implicit casting Explicit casting, when you go from a wider type to a more narrow one. For this case, you must explicitly use casting like that: Object o ...
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What are the differences between a pointer variable and a reference variable in C++?

...compiling error int &r = *p; <--- likely no compiling error, especially if the nullptr is hidden behind a function call, yet it refers to a non-existent int at address 0 Pointers can iterate over an array; you can use ++ to go to the next item that a pointer is pointing to, and + 4 to go to...