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Reading settings from app.config or web.config in .NET
...ding the System.Configuration reference? The problem is that VS fools you by making you think you actually have it; you can use intellisense to get the namespace System.Configuration but it doesn't have the ConfigurationManager class. Just add the reference and that fixes it.
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Rails: How to change the text on the submit button in a Rails Form
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For questions like this, consider using the available docs either at
Ruby on Rails API website
APIdock Ruby on Rails section (very easy navigation / search)
Sometimes, a google search like the one below helps:
Google: site:api.rubyonrails.org f.submit
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is there a Java equivalent to null coalescing operator (??) in C#? [duplicate]
... did say it was "similar" not exactly the same. And this sort of thing is by far the most useful for (and the most used for) cases where you want a fixed, non-null default if something is null. Given that, firstNonNull fails if the second argument is null to help programmer errors be caught faster....
Detect element content changes with jQuery
... reasoning behind this is that these elements won't change unless modified by javascript. If you are already having to modify the element yourself (rather than the user doing it), then you can just call the appropriate accompanying code at the same time that you modify the element, like so:
$("#c...
What is the shortcut in IntelliJ IDEA to find method / functions?
...rrently open document. For that, cmnd+f12 is what you want (per the answer by Daniel Dang and comment by Thomas).
– hBrent
Jan 14 '16 at 19:24
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View HTTP headers in Google Chrome?
... the picture above (including the Headers tab). This is what @Tower meant by "click on them"
– SnapShot
Jun 25 '13 at 19:48
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How do you auto format code in Visual Studio?
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Also you can install it by visual studio market place marketplace.visualstudio.com/…
– VMM
Mar 28 '17 at 7:29
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Delete all the queues from RabbitMQ?
...t queues name
Then from the list, you'll need to manually delete them one by one:
rabbitmqadmin delete queue name='queuename'
Because of the output format, doesn't appear you can grep the response from list queues. Alternatively, if you're just looking for a way to clear everything (read: reset ...
Not able to type in textfield in iphone simulator using Mac Keyboard?
... typing (when the on-screen keyboard shows up), press just the command key by itself and then release it. This should re-enable the keyboard in the simulator.
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C++ lambda with captures as a function pointer
...ion proposed within this answer addresses the concern from @gregory-pakosz by preserving the original signature, but it's still not great because it introduces global state. If ftw had a void* userdata argument, then I'd prefer the answer from @evgeny-karpov.
– prideout
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