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HTML5 form required attribute. Set custom validation message?
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Use setCustomValidity:
document.addEventListener("DOMContentLoaded", function() {
var elements = document.getElementsByTagName("INPUT");
for (var i = 0; i < elements.length; i++) {
elements[i].oninvalid = function(e) {
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Timer & TimerTask versus Thread + sleep in Java
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The advantage of TimerTask is that it expresses your intention much better (i.e. code readability), and it already has the cancel() feature implemented.
Note that it can be written in a shorter form as well as your own example:
Timer uploadCheckerTimer = new...
android.view.InflateException: Binary XML file: Error inflating class fragment
...in. I created an Android application that uses Android AppCompat to make it compatible with older versions. Here is my main activity layout file:
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What are the possible values of the Hibernate hbm2ddl.auto configuration and what do they do
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From the community documentation:
hibernate.hbm2ddl.auto Automatically validates or exports schema DDL to the database when the SessionFactory is created. With create-drop, the database schema will be dropped when the SessionFactory is ...
Correct way to detach from a container without stopping it
... Docker 1.1.2 (latest), what's the correct way to detach from a container without stopping it?
10 Answers
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What is the difference between canonical name, simple name and class name in Java Class?
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If you're unsure about something, try writing a test first.
I did this:
class ClassNameTest {
public static void main(final String... arguments) {
printNamesForClass(
int.class,
"int.class (primitive)");
printNamesForCl...
Locate current file in IntelliJ
... Ctrl + Alt + L ). What is the name of the operation (so I can define it in the keymap)
12 Answers
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Assign variable value inside if-statement [duplicate]
I was wondering whether it is possible to assign a variable a value inside a conditional operator like so:
9 Answers
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Find and restore a deleted file in a Git repository
Say I'm in a Git repository. I delete a file and commit that change. I continue working and make some more commits. Then, I find I need to restore that file.
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RegEx for matching UK Postcodes
I'm after a regex that will validate a full complex UK postcode only within an input string. All of the uncommon postcode forms must be covered as well as the usual. For instance:
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