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How to navigate through textfields (Next / Done Buttons)
...e anyway, with two assumptions:
All "tabbable" UITextFields are on the sam>me m> parent view.
Their "tab-order" is defined by the tag property.
Assuming this you can override textFieldShouldReturn: as this:
-(BOOL)textFieldShouldReturn:(UITextField*)textField
{
NSInteger nextTag = textField.tag + ...
How to tell if UIViewController's view is visible
...visible, so check the main view in the view controller:
Invoking the view m>me m>thod causes the view to load (if it is not loaded) which is unnecessary and may be undesirable. It would be better to check first to see if it is already loaded. I've added the call to isViewLoaded to avoid this problem.
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What is the difference between Numpy's array() and asarray() functions?
What is the difference between Numpy's array() and asarray() functions? When should you use one rather than the other? They seem to generate identical output for all the inputs I can think of.
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Map enum in JPA with fixed values?
...r than JPA 2.1, JPA provides only two ways to deal with enums, by their nam>me m> or by their ordinal. And the standard JPA doesn't support custom types. So:
If you want to do custom type conversions, you'll have to use a provider extension (with Hibernate UserType, EclipseLink Converter, etc). (the s...
Remove all classes that begin with a certain string
...ant to remove all of the classes that begin with "bg", how do I do that? Som>me m>thing like this, but that actually works:
15 A...
Disabling Chrom>me m> Autofill
I have been running into issues with the chrom>me m> autofill behavior on several forms.
68 Answers
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Showing empty view when ListView is empty
For som>me m> reason the empty view, a TextView in this case, always appears even when the ListView is not empty. I thought the ListView would automatically detect when to show the empty view.
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linux下iptables配置详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... all -- 0.0.0.0/0 0.0.0.0/0
ACCEPT icmp -- 0.0.0.0/0 0.0.0.0/0 icmp type 255
ACCEPT esp -- 0.0.0.0/0 0.0.0.0/0
ACCEPT ah -- 0.0.0.0/0 0.0.0.0/0
ACCEPT ...
PHP “php://input” vs $_POST
I have been directed to use the m>me m>thod php://input instead of $_POST when interacting with Ajax requests from JQuery. What I do not understand is the benefits of using this vs the global m>me m>thod of $_POST or $_GET .
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How to implem>me m>nt classic sorting algorithms in modern C++?
...std::sort algorithm (and its cousins std::partial_sort and std::nth_elem>me m>nt ) from the C++ Standard Library is in most implem>me m>ntations a complicated and hybrid amalgamation of more elem>me m>ntary sorting algorithms , such as selection sort, insertion sort, quick sort, m>me m>rge sort, or heap sort.
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