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Get selected value in dropdown list using JavaScript
...Netscape Navigator needed to be accommodated, so an equally ancient method for accessing the value of a single select was used. But I'm just guessing about that. ;-)
– RobG
Jan 18 '15 at 4:06
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How do you use the ellipsis slicing syntax in Python?
...builtin class or Python language constuct makes use of it.
So the syntax for it depends entirely on you, or someone else, having written code to understand it.
Numpy uses it, as stated in the documentation. Some examples here.
In your own class, you'd use it like this:
>>> class TestEl...
How to bind multiple values to a single WPF TextBlock?
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You can use a MultiBinding combined with the StringFormat property. Usage would resemble the following:
<TextBlock>
<TextBlock.Text>
<MultiBinding StringFormat="{}{0} + {1}">
<Binding Path="Name" />
<Binding ...
Delaying AngularJS route change until model loaded to prevent flicker
I am wondering if there is a way (similar to Gmail) for AngularJS to delay showing a new route until after each model and its data has been fetched using its respective services.
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中文网（自研/维护）拓展 · App Inventor 2 中文网
...ls：个性化状态栏拓展
AI2Utils
Component for AI2Utils
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FindContactsByName(name,fuzzyMatch)
通过姓名查找通讯录，返回 (联系人,手机号) 的...
What is the main purpose of setTag() getTag() methods of View?
...nerate a bunch of views that are similar. You could set an OnClickListener for each view individually:
button1.setOnClickListener(new OnClickListener ... );
button2.setOnClickListener(new OnClickListener ... );
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Then you have to create a unique onClick method for each view even if they do the...
How to delete a record in Django models?
...t(id = 20)
wishlist.delete()
If you want to delete all items in Wishlist for example
Wishlist.objects.all().delete()
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ORA-00054: resource busy and acquire with NOWAIT specified or timeout expired
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Your table is already locked by some query. For example, you may have executed "select for update" and have not yet committed/rollbacked and fired another select query. Do a commit/rollback before executing your query.
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How to select the row with the maximum value in each group
In a dataset with multiple observations for each subject I want to take a subset with only the maximum data value for each record. For example, with a following dataset:
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How can I submit a form using JavaScript?
I have a form with id theForm which has the following div with a submit button inside:
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