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How to parse JSON in Java
... JSON Generation through object serialisation
Support for collection type selection during parsing process
It can be used like this:
JsonParserFactory factory=JsonParserFactory.getInstance();
JSONParser parser=factory.newJsonParser();
Map jsonMap=parser.parseJson(jsonString);
...
How to make button look like a link?
... padding: 0;
border: none;
cursor: pointer;
-moz-user-select: text;
/* override all your button styles here if there are any others */
}
button.link span {
text-decoration: underline;
}
button.link:hover span,
button.link:focus span {
color: black;
}
<...
jQuery callback on image load (even when the image is cached)
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#img is an ID not an element selector :) Also this.src works, no need to use jQuery where it isn't needed :) But creating another image seems like overkill in either case IMO.
– Nick Craver♦
Oct 6 '10 at 21:57
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Failed to import new Gradle project: failed to find Build Tools revision *.0.0
When I boot up Android Studio and select "New Project..." and go through creating a new project, I get this popup error:
14...
java.lang.ClassNotFoundException: org.springframework.web.servlet.DispatcherServlet
...lick on Deployment Assembly.
click add
click on "Java Build Path Entries"
select Maven Dependencies"
click Finish.
Rebuild and deploy again
Note: This is also applicable for non maven project.
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List distinct values in a vector in R
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You can also use the sqldf package in R.
Z <- sqldf('SELECT DISTINCT tablename.columnname FROM tablename ')
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Creating a segue programmatically
...s, call that method when the appropriate button is clicked or table row is selected or whatever.
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UITextField text change event
...ntrol.
In Objective-C:
[textField addTarget:self
action:@selector(textFieldDidChange:)
forControlEvents:UIControlEventEditingChanged];
In Swift:
textField.addTarget(self, action: #selector(textFieldDidChange), for: .editingChanged)
Then in the textFieldDidChange method...
Rails Model, View, Controller, and Helper: what goes where?
...rols the view but not the logic. The Controller should concern itself with selecting the proper view and delegate more complex stuff to the domain model (Model) or the business layer.
Domain Driven Design has a concept of Services which is a place you stick logic which needs to orchestrate a number...
How do I specify the Linq OrderBy argument dynamically?
...rn str + (isDesc ? " descending" : "");
}
}
3) Write your switch for selecting of Lambda function
public static class SortHelper
{
public static Expression<Func<UserApp, object>> UserApp(string orderProperty)
{
orderProperty = orderProperty?.ToLowerInvariant();
...