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Locking a file in Python
...olutions online, but most fail for my purposes as they are often only Unix based or Windows based.
13 Answers
...
UIImagePickerController breaks status bar appearance
In my .plist file, I have " View controller-based status bar appearance " set to NO . But after UIImagePickerController , my app behaves as if the option is set to YES .
...
Determine what attributes were changed in Rails after_save callback?
... 5.1+
Use saved_change_to_published?:
class SomeModel < ActiveRecord::Base
after_update :send_notification_after_change
def send_notification_after_change
Notification.send(…) if (saved_change_to_published? && self.published == true)
end
end
Or if you prefer, saved_chang...
Sharing Test code in Maven
...
Thanks for the base module suggestion. However, I'd rather not create a new module for just this purpose.
Found an acceptable answer in the Surefire Maven documentation and a blog. See also "How to create a jar containing test classes".
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This type of CollectionView does not support changes to its SourceCollection from a thread different
...
public AsyncObservableCollection(IEnumerable<T> list)
: base(list)
{
}
protected override void OnCollectionChanged(NotifyCollectionChangedEventArgs e)
{
if (SynchronizationContext.Current == _synchronizationContext)
{
// Execute the Col...
Percentage width child element in absolutely positioned parent on Internet Explorer 7
...n, one of which is a relatively positioned div . When I use a percentage-based width on the child div , it collapses to 0 width on IE7, but not on Firefox or Safari.
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How to apply multiple styles in WPF
...e can be applied.
However, as others have stated above, maybe you can use BasedOn to help you out. Check out the following piece of loose xaml. In it you will see that I have a base style that is setting a property that exists on the base class of the element that I want to apply two styles to. And...
POST unchecked HTML checkboxes
...name='testName'>
Before submitting the form, disable the hidden input based on the checked condition:
if(document.getElementById("testName").checked) {
document.getElementById('testNameHidden').disabled = true;
}
...
Any decent text diff/merge engine for .NET? [closed]
...rts-exchange if useful questions like this keep getting closed for reasons based on the faulty hypothesis in the SO faq).
– FastAl
Apr 11 '15 at 20:29
2
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Adding placeholder text to textbox
...solution.
<Style x:Key="placeHolder" TargetType="{x:Type TextBox}" BasedOn="{StaticResource {x:Type TextBox}}">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type TextBox}">
<Grid>...