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Does it make sense to use “as” instead of a cast even if there is no null check? [closed]

...owever, there is a subtle difference. (x as T).Whatever() communicates "I know not just that x can be converted to a T, but moreover, that doing so involves only reference or unboxing conversions, and furthermore, that x is not null". That does communicate different information than ((T)x).Whatever...
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How to export DataTable to Excel

...te(","); } } sw.Write(sw.NewLine); // Now write all the rows. foreach (DataRow dr in dt.Rows) { for (int i = 0; i < iColCount; i++) { if (!Convert.IsDBNull(dr[i])) { s...
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How do I consume the JSON POST data in an Express application

...xpress(); app.use(express.json()); This app.use(express.json) will now let you read the incoming post JSON object share | improve this answer | follow ...
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What is the point of function pointers?

...couple of void pointers to sortable data and a pointer to a function that knows how to compare two elements of these data structures. This allows us to create our function of choice for the job, and in fact even allows for choosing the comparison function at run time, e.g. for sorting ascending or d...
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How can I open multiple files using “with open” in Python?

...asks. No duplicate writing or failing to write. So I am really curious to know why my answer is considered to be wrong, suboptimal or anything like that. share | improve this answer | ...
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Is it possible to change a UIButtons background color?

...ibility: Create a UIButton in Interface builder. Give it a type 'Custom' Now, in IB it is possible to change the background color However, the button is square, and that is not what we want. Create an IBOutlet with a reference to this button and add the following to the viewDidLoad method: [but...
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Getting started with F# [closed]

...on about using F# within MonoDevelop here. The F# compiler and fsi.exe are now part of the Mono distribution. share | improve this answer | follow | ...
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How do you attach and detach from Docker's process?

...e, try running or attaching with the --detach-keys z argument. You should now be able to detach by pressing z, without any modifiers. If this works, another program is interfering. The easiest way to work around this is to set your own detach sequence using the --detach-keys argument. (For examp...
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How to make a .jar out from an Android Studio project

..., but no release folder. What version of the plugin are you using? Do you know if this is documented anywhere? – Cameron Lowell Palmer Apr 7 '17 at 14:01 ...
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Twitter bootstrap modal-backdrop doesn't disappear

... removed the comments from a modal that I was getting with $.html() and it now works. Freakin' weird. – Matrym Sep 12 '13 at 20:40 2 ...