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Why is my Spring @Autowired field null?

...of Control (IoC) container has three main logical components: a registry (called the ApplicationContext) of components (beans) that are available to be used by the application, a configurer system that injects objects' dependencies into them by matching up the dependencies with beans in the context,...
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How do you default a new class to public when creating it in Visual Studio?

...1033. Visual Studio 2010 (10.0) and below: There is a zip file in there called Class.zip. Unpack this, edit the file to put in your public keyword then re-pack it (make sure you backup the original). After this, make sure VS rebuilds it's cache (which is just the zipfiles unzipped into directorie...
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Select random lines from a file

... @MonaJalal nope just faster, since it doesn't have to compare lines at all. – rogerdpack May 15 '17 at 17:20 Does ...
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Why does setTimeout() “break” for large millisecond delay values?

...s due to setTimeout using a 32 bit int to store the delay so the max value allowed would be 2147483647 if you try 2147483648 you get your problem occurring. I can only presume this is causing some form of internal exception in the JS Engine and causing the function to fire immediately rathe...
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Assign variable in if condition statement, good practice or not? [closed]

...tended to write this: if (value == someFunction()) { ... } If you really want to do the assignment in place, I would recommend doing an explicit comparison as well: if ((value = someFunction()) === <whatever truthy value you are expecting>) { ... } ...
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Best way to give a variable a default value (simulate Perl ||, ||= )

... In PHP 7 we finally have a way to do this elegantly. It is called the Null coalescing operator. You can use it like this: $name = $_GET['name'] ?? 'john doe'; This is equivalent to $name = isset($_GET['name']) ? $_GET['name']:'john doe'...
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How to update a plot in matplotlib?

I'm having issues with redrawing the figure here. I allow the user to specify the units in the time scale (x-axis) and then I recalculate and call this function plots() . I want the plot to simply update, not append another plot to the figure. ...
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Can I use require(“path”).join to safely concatenate urls?

... takes any number. So depending on what you're doing you may need to nest calls, eg.. url.resolve(url.resolve(SERVER_URL, pagePath), queryString) – Molomby Aug 23 '19 at 0:31 ...
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How to find if a native DLL file is compiled as x64 or x86?

... You can use DUMPBIN too. Use the /headers or /all flag and its the first file header listed. dumpbin /headers cv210.dll 64-bit Microsoft (R) COFF/PE Dumper Version 10.00.30319.01 Copyright (C) Microsoft Corporation. All rights reserved. Dump of file cv210.dll PE ...
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What’s the best way to reload / refresh an iframe?

...c += ''; also works: jsfiddle.net/Daniel_Hug/dWm5k – Web_Designer Feb 12 '12 at 6:44 3 And what e...