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Describe the architecture you use for Java web applications? [closed]
...g JDBC-templates to store Entities.
Redis (JEDIS) for Leaderboards, using Ordered Lists.
Memcache for Token Store.
Database
MySQL, Memcached, Redis
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How to delete duplicates on a MySQL table?
... the following columns:
employee (first_name, last_name, start_date)
In order to delete the rows with a duplicate first_name column:
delete
from employee using employee,
employee e1
where employee.id > e1.id
and employee.first_name = e1.first_name
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How to scroll HTML page to given anchor?
...st rect = element.getBoundingClientRect() // get rects(width, height, top, etc)
const viewHeight = Math.max(document.documentElement.clientHeight, window.innerHeight || 0);
window.scroll({
top: rect.top + rect.height / 2 - viewHeight / 2,
behavior: 'smooth' // smooth scroll
});
Demonstration ...
Check if an image is loaded (no errors) with jQuery
...pt with the jQuery library to manipulate image thumbnails contained in a unordered list. When the image is loaded it does one thing, when an error occurs it does something else. I'm using jQuery load() and error() methods as events. After these events I check the image DOM element for the .comp...
How to make child process die after parent exits?
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The argument order of the dup2() call is wrong. If you want to use pipes[0] as stdin you have to write dup2(pipes[0], 0) instead of dup2(0, pipes[0]). It isdup2(oldfd, newfd) where the call closes a previously open newfd.
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Why Android Studio says “Waiting For Debugger” if am NOT debugging?
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After 8 hours on this problem I feel obliged to share the cause. My /etc/hosts was bad.
Make sure you can ping localhost and that it is defined to 127.0.0.1. AS expects to connect to localhost:8600.
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Mockito: List Matchers with generics
... info from mockito "Use ArgumentMatchers. This class is now deprecated in order to avoid a name clash with Hamcrest org.hamcrest.Matchers class. This class will likely be removed in version 3.0." static.javadoc.io/org.mockito/mockito-core/2.7.21/org/mockito/…
– oddmeter
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How do I tidy up an HTML file's indentation in VI?
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FYI, tidy chokes if the HTML includes SVG (e.g., charts, etc.).
– Alex Quinn
Jan 24 '17 at 22:49
1
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Mockito: Trying to spy on method is calling the original method
...ing Mockito 2.0, I had to change all the any() parameters to nullable() in order to stub the real call.
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Why is try {…} finally {…} good; try {…} catch{} bad?
...ill be a corresponding 'catch' statement. If you are only using a 'try' in order to ensure resources are de-allocated in the 'finally' block, you might consider the 'using' statement instead:
using (StreamReader reader = new StreamReader('myfile.txt'))
{
// do stuff here
} // reader.dispose() i...