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Difference between validate(), revalidate() and invalidate() in Swing GUI
...ainer as invalid and performs layout of the container.
UPDATE:
Some code from Component.java
public void revalidate() {
revalidateSynchronously();
}
/**
* Revalidates the component synchronously.
*/
final void revalidateSynchronously() {
synchronized (getTreeLock()) {
invalidat...
Different types of thread-safe Sets in Java
...ould be an example, but these are not really sets, and should be only used from the EDT anyway.)
2) Collections.synchronizedSet will simply wrap a synchronized-block around each method of the original set. You should not access the original set directly. This means that no two methods of the set ca...
CSS Pseudo-classes with inline styles
...; the same set of statements that appears in each ruleset in a stylesheet. From the Style Attributes spec:
The value of the style attribute must match the syntax of the contents of a CSS declaration block (excluding the delimiting braces), whose formal grammar is given below in the terms and conven...
csv.Error: iterator should return strings, not bytes
...o add to this that if you get encoding errors when you try reading/writing from/to a CSV file, adding a particular encoding can help. I just fixed this bug on mine by adding "encoding = 'utf-8'".
– covfefe
Oct 16 '15 at 22:06
...
Each for object? [duplicate]
...this:
1 . You want to check whether the attribute that you are finding is from the object itself and not from up the prototype chain. This can be checked with the hasOwnProperty function like so
for(var index in object) {
if (object.hasOwnProperty(index)) {
var attr = object[index];
...
HTML5: number input type that takes only integers?
...
@Zut HTML5 validation doesn't stop you from entering those keys. It just prevents the form from being send with those characters. If you submit a form with an input of the type number that contains other characters, then Chrome will show you an error message.
...
Get size of folder or file
...
The variable has to be final when accessed from anonymous class
– Aksel Willgert
Dec 28 '14 at 10:30
1
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Java: function for arrays like PHP's join()?
...
Starting from Java8 it is possible to use String.join().
String.join(", ", new String[]{"Hello", "World", "!"})
Generates:
Hello, World, !
Otherwise, Apache Commons Lang has a StringUtils class which has a join function which wi...
Creating virtual directories in IIS express
...ion. Ex: iisexpress /site:WebSiteWithVirtualDirectory - run the first app from the path "C:\temp\website1". How can i run my the 2nd app that contains the path "d:\temp\SubFolderApp"
– Velu
Aug 29 '12 at 12:00
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A potentially dangerous Request.Path value was detected from the client (*)
... element for the url you need. Using reflection would be reasonably simple from a global perspective, but I'm not sure about setting it on a per controller/action basis. Maybe start a question?
– Dave Transom
May 31 '13 at 4:20
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