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Print variables in hexadecimal or decimal format
...sing DDD(data display debuger, a GUI wrapper for a debugger like GDB), you can use the hex format also in graphic display by doing graph disp /x val1. Beware you should put space before /x. otherwise it doesn't work.
– Chan Kim
Sep 18 '17 at 6:10
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What does Connect.js methodOverride do?
... you pass in the _method post parameter set to 'delete' or 'put', then you can use app.delete and app.put in Express instead of using app.post all the time (thus more descriptive, verbose):
Backend:
// the app
app.put('/users/:id', function (req, res, next) {
// edit your user here
});
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Determine if ActiveRecord Object is New
How can I check if an ActiveRecord object is new or is already persisted?
2 Answers
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ruby convert array into function arguments
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You can turn an Array into an argument list with the * (or "splat") operator:
a = [0, 1, 2, 3, 4] # => [0, 1, 2, 3, 4]
b = [2, 3] # => [2, 3]
a.slice(*b) # => [2, 3, 4]
Reference:
Array to Arguments Conversion
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Template function inside template class
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665...
Can you avoid Gson converting “” into unicode escape sequences?
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You need to disable HTML escaping.
Gson gson = new GsonBuilder().disableHtmlEscaping().create();
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What is the difference between '&' and ',' in Java generics?
While reading the Java official tutorial about generics, I found that you can restrict the type argument (in this case is T ) to extend a class and/or more interfaces with the 'and' operator ( & ) like this:
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Reactive Extensions bug on Windows Phone
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This is not a clue, you can implement IObserver and IObservable by yourself and everything will work just fine.
– Yuriy Naydenov
Jun 16 '15 at 9:10
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Building C# Solution in Release mode using MSBuild.exe
I am able to build a solution using MSBuild.exe, but my issue is I can only manage to get it to build in DEBUG mode. I need to build my solution in Release mode using MSBUILD.
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RedirectToAction between areas?
...a to a controller/view which is not there in the area folder (i.e. in most cases, your front end), you can specify area = "".
i.e.
return RedirectToAction("action", "controller", new { area = "" });
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