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How can I set multiple CSS styles in JavaScript?
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If you have the CSS values as string and there is no other CSS already set for the element (or you don't care about overwriting), make use of the cssText property:
document.getElementById("myElement").style.cssText = "display: block; position: absolute";...
Is there any way to call a function periodically in JavaScript?
...l reached");}, 5000);
The first parameter to setInterval() can also be a string of code to be evaluated.
You can clear a periodic function with:
clearInterval(intervalID);
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Draw text in OpenGL ES
...aceView. This is slow and bad, but the most direct approach.
Render common strings to textures, and simply draw those textures. This is by far the simplest and fastest, but the least flexible.
Roll-your-own text rendering code based on a sprite. Probably second best choice if 2 isn't an option. A go...
Differences between action and actionListener
...cessary handle navigation. The action method can (thus, not must) return a String which will be used as navigation case outcome (the target view). A return value of null or void will let it return to the same page and keep the current view scope alive. A return value of an empty string or the same v...
How should I have explained the difference between an Interface and an Abstract class?
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I will give you an example first:
public interface LoginAuth{
public String encryptPassword(String pass);
public void checkDBforUser();
}
Suppose you have 3 databases in your application. Then each and every implementation for that database needs to define the above 2 methods:
public cl...
How to pass a class type as a function parameter
... the types in the method call:
class func invokeService<T>(service: String, withParams params: Dictionary<String, String>, returningClass: T.Type, completionHandler handler: ((T) -> ())) {
// The compiler correctly infers that T is the class of the instances of returningClass
...
Custom Compiler Warnings
... I don't think there's something better).
public class User
{
private String userName;
[TooManyArgs] // Will show warning: Try removing some arguments
public User(String userName)
{
this.userName = userName;
}
public String UserName
{
get { return us...
Spring MVC type conversion : PropertyEditor or Converter?
...ed.
In my mind, PropertyEditors are limited in scope - they help convert String to a type, and this string typically comes from UI, and so registering a PropertyEditor using @InitBinder and using WebDataBinder makes sense.
Converter on the other hand is more generic, it is intended for ANY conve...
Why does printf not flush after the call unless a newline is in the format string?
...y does printf not flush after the call unless a newline is in the format string? Is this POSIX behavior? How might I have printf immediately flush every time?
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Getting rid of \n when using .readlines() [duplicate]
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You can use .rstrip('\n') to only remove newlines from the end of the string:
for i in contents:
alist.append(i.rstrip('\n'))
This leaves all other whitespace intact. If you don't care about whitespace at the start and end of your lines, then the big heavy hammer is called .strip().
How...