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Call UrlHelper in models in ASP.NET MVC
I need to generate some URLs in a model in ASP.NET MVC. I'd like to call something like UrlHelper.Action() which uses the routes to generate the URL. I don't mind filling the usual blanks, like the hostname, scheme and so on.
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How to determine if a record is just created or updated in after_save
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I was looking to use this for an after_save callback.
A simpler solution is to use id_changed? (since it won't change on update) or even created_at_changed? if timestamp columns are present.
Update: As @mitsy points out, if this check is needed outside of callbacks t...
querySelector and querySelectorAll vs getElementsByClassName and getElementById in JavaScript
...tain the elements that fulfilled the selector at the moment the method was called.
A variable generated with getElementsByClassName will contain the elements that fulfilled the selector when it is used (that may be different from the moment the method was called).
For example, notice how even if y...
How exactly does the android:onClick XML attribute differ from setOnClickListener?
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In the background, Android does nothing else than the Java code, calling your method on a click event.
Note that with the XML above, Android will look for the onClick method myFancyMethod() only in the current Activity. This is important to remember if you are using fragments, since even ...
Remove Fragment Page from ViewPager in Android
I'm trying to dynamically add and remove Fragments from a ViewPager, adding works without any problems, but removing doesn't work as expected.
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Is there any way to kill a Thread?
...self):
return self._stop_event.is_set()
In this code, you should call stop() on the thread when you want it to exit, and wait for the thread to exit properly using join(). The thread should check the stop flag at regular intervals.
There are cases however when you really need to kill a th...
How to implement a custom AlertDialog View
...t work on the toplevel view... and maybe you don't need them to. When you call AlertDialog alert = builder.create(), you have a reference to your AlertDialog. Long answer short, it is optional. Give it a try, depending on what you're doing in your custom layout, it'll probably work.
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How to add a custom Ribbon tab using VBA?
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I create tabs for my Excel Applications/Add-Ins using this free utility called Custom UI Editor.
Edit: To accommodate new request by OP
Tutorial
Here is a short tutorial as promised:
After you have installed the Custom UI Editor (CUIE), open it and then click on File | Open and select the ...
Pass Array Parameter in SqlCommand
...mproved it a bit and made it an extension method to make it even easier to call.
public static class SqlCommandExt
{
/// <summary>
/// This will add an array of parameters to a SqlCommand. This is used for an IN statement.
/// Use the returned value for the IN part of your SQL c...
onCreateOptionsMenu inside Fragments
... placed setHasOptionsMenu(true) inside onCreateView , but I still can't call onCreateOptionsMenu inside fragments.
6 A...