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Get underlying NSData from UIImage
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NSData *rawData = (__bridge NSData *) CGDataProviderCopyData(CGImageGetDataProvider(image.CGImage));
– ZardozSpeaks
Aug 3 '19 at 19:00
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RichTextBox (WPF) does not have string property “Text”
...
How about just doing the following:
_richTextBox.SelectAll();
string myText = _richTextBox.Selection.Text;
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Make a link use POST instead of GET
...outline: none;
}
.link-button:active {
color:red;
}
<a href="some_page">This is a regular link</a>
<form method="post" action="some_page" class="inline">
<input type="hidden" name="extra_submit_param" value="extra_submit_value">
<button type="submit" name="...
How to save username and password with Mercurial?
...login?
– David Eads
Dec 3 '10 at 17:06
@santafebound As the text says, its "arbitrary" and is used only to associate t...
Difference between Django's annotate and aggregate methods?
... in the queryset.
Aggregation
>>> Book.objects.aggregate(average_price=Avg('price'))
{'average_price': 34.35}
Returns a dictionary containing the average price of all books in the queryset.
Annotation
>>> q = Book.objects.annotate(num_authors=Count('authors'))
>>> q[...
C++ STL Vectors: Get iterator from index?
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– Johannes Schaub - litb
Mar 22 '09 at 20:06
1
I think the problem is confusion over the meaning of "co...
How to process POST data in Node.js?
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edited Oct 16 '15 at 19:06
nbro
10.9k1717 gold badges7676 silver badges140140 bronze badges
answered N...
Accessing UI (Main) Thread safely in WPF
... example:
class MyViewModel
{
private readonly SynchronizationContext _syncContext;
public MyViewModel()
{
// we assume this ctor is called from the UI thread!
_syncContext = SynchronizationContext.Current;
}
// ...
private void watcher_Changed(object send...
App Inventor 2 KIO4_Gradient 拓展：布局中的颜色渐变 · App Inventor 2 中文网
... App Inventor 2 KIO4_Gradient 拓展：布局中的颜色渐变
KIO4_Gradient 拓展：布局中的颜色渐变
使用案例
创建圆角渐变标题栏
方法
属性
拓展下...
How to limit UITableView row reordering to a section
...s answer for you lazy people:
Swift 3, 4 & 5
override func tableView(_ tableView: UITableView, targetIndexPathForMoveFromRowAt sourceIndexPath: IndexPath, toProposedIndexPath proposedDestinationIndexPath: IndexPath) -> IndexPath {
if sourceIndexPath.section != proposedDestinationIndexPa...