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How to do if-else in Thymeleaf?
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Thymeleaf has an equivalent to <c:choose> and <c:when>: the th:switch and th:case attributes introduced in Thymeleaf 2.0.
They work as you'd expect, using * for the default case:
<div th:switch="${user.role}">
<p th:case="'admin'">User is an ad...
Unable to Cast from Parent Class to Child Class
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A simple way to downcast in C# is to serialize the parent and then deserialize it into the child.
var serializedParent = JsonConvert.SerializeObject(parentInstance);
Child c = JsonConvert.DeserializeObject<Child>(serializedParent);
I have a simple console app that casts...
NSLog an object's memory address in overridden description method
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To print address use %p format specifier and self pointer:
-(NSString *) description {
return [NSString stringWithFormat:@"<SomeClass: %p>\nparmeterOne: %@\nparameterTwo: %@",
self, self.parameterOne, self.paramterTwo];
}
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css label width not taking effect
I have a generic form, which I'd like to style to align the labels and the input fields.
For some reason when I give a width to the label selector, nothing happens:
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Using jQuery to see if a div has a child with a certain class
... postfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9....
How do I preserve line breaks when using jsoup to convert html to plain text?
...nt.OutputSettings().prettyPrint(false));//makes html() preserve linebreaks and spacing
document.select("br").append("\\n");
document.select("p").prepend("\\n\\n");
String s = document.html().replaceAll("\\\\n", "\n");
return Jsoup.clean(s, "", Whitelist.none(), new Document.OutputSet...
Converting string into datetime
...e.strptime is the main routine for parsing strings into datetimes. It can handle all sorts of formats, with the format determined by a format string you give it:
from datetime import datetime
datetime_object = datetime.strptime('Jun 1 2005 1:33PM', '%b %d %Y %I:%M%p')
The resulting datetime obj...
AngularJS-Twig conflict with double curly braces
As you know, both angular and twig has common control construction - double curly braces. How can I change default value of Angular?
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if checkbox is checked, do this
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I would use .change() and this.checked:
$('#checkbox').change(function(){
var c = this.checked ? '#f00' : '#09f';
$('p').css('color', c);
});
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On using this.checked
Andy E has done a great write-up on how we tend to overuse jQuery: U...
How to profile a bash shell script slow startup?
...bashstart.PID.log that shows the seconds.nanoseconds timestamp of each command that was executed. The difference from one time to the next is the amount of time that the intervening step took.
As you narrow things down, you can move set -x later and set +x earlier (or bracket several sections of in...