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Multiple Type Constraints in Swift
...l of which must be fulfilled) separated by commas
Swift 2:
func someFunc<T where T:SomeProtocol, T:SomeOtherProtocol>(arg: T) {
// stuff
}
Swift 3 & 4:
func someFunc<T: SomeProtocol & SomeOtherProtocol>(arg: T) {
// stuff
}
or the more powerful where clause:
func ...
ViewParam vs @ManagedProperty(value = “#{param.id}”)
...
<f:viewParam>:
Sets the value during update model values phase only (since it extends UIInput).
The set value is not available during @PostConstruct, so you need an additional <f:event type="preRenderView" listener=...
How to maintain aspect ratio using HTML IMG tag
...Set {
max-width: 64px;
}
.heightSet {
max-height: 64px;
}
<img src="http://placehold.it/200x250" />
<img src="http://placehold.it/200x250" width="64" />
<img src="http://placehold.it/200x250" height="64" />
<img src="http://placehold.it/200x250" class="w...
Implementing INotifyPropertyChanged - does a better way exist?
...PropertyChangedEventArgs(propertyName));
}
protected bool SetField<T>(ref T field, T value, string propertyName)
{
if (EqualityComparer<T>.Default.Equals(field, value)) return false;
field = value;
OnPropertyChanged(propertyName);
return true;
...
Any way to Invoke a private method?
...s, even though they know the lock can be trivially broken or circumvented altogether. Why? Because it helps to keep mostly-honest people honest. You can think of private access playing a similar role.
– erickson
Feb 3 '18 at 21:56
...
What methods of ‘clearfix’ can I use?
...on the containing element. This solution works in every modern browsers.
<div style="overflow: auto;">
<img
style="float: right;"
src="path/to/floated-element.png"
width="500"
height="500"
>
<p>Your content here…</p>
</div>
One downside, usin...
C# Pass Lambda Expression as Method Parameter
...
Use a Func<T1, T2, TResult> delegate as the parameter type and pass it in to your Query:
public List<IJob> getJobs(Func<FullTimeJob, Student, FullTimeJob> lambda)
{
using (SqlConnection connection = new SqlConnectio...
Repeating characters in VIM insert mode
...put("Char: ")
exe ":normal a" . repeat(char, times)
endfunction
imap <C-u> <C-o>:call Repeat()<cr>
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How do I read all classes from a Java package in the classpath?
...classes in a package that are annotated with XmlRootElement:
private List<Class> findMyTypes(String basePackage) throws IOException, ClassNotFoundException
{
ResourcePatternResolver resourcePatternResolver = new PathMatchingResourcePatternResolver();
MetadataReaderFactory metadataRead...
Add line break to ::after or ::before pseudo-element content
...ber or [a-f] character followed by the new line may give unpredictable results:
function addTextToStyle(id, text) {
return `#${id}::after { content: "${text.replace(/"/g, '\\"').replace(/\n/g, '\\00000a')} }"`;
}
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