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How many threads is too many?
...any execution time while semaphore-blocked, they should sit in the blocked queue until the semaphore is released.
– paxdiablo
Jan 27 '09 at 1:50
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Is there a concurrent List in Java's JDK?
...stics of a List, you could consider a java.util.concurrent.ConcurrentLinkedQueue. Since it implements Iterable, once you've finished adding all the items, you can loop over the contents using the enhanced for syntax:
Queue<String> globalQueue = new ConcurrentLinkedQueue<String>();
//Mu...
release Selenium chromedriver.exe from memory
...ill exists even after using browser.quit(). To counter this, we created a batch file similar to this one below, that just forces closed the processes.
kill_chromedriver.bat
@echo off
rem just kills stray local chromedriver.exe instances.
rem useful if you are trying to clean your project, and...
Jquery change background color
...
The .css() function doesn't queue behind running animations, it's instantaneous.
To match the behaviour that you're after, you'd need to do the following:
$(document).ready(function() {
$("button").mouseover(function() {
var p = $("p#44.test").c...
JMS and AMQP - RabbitMQ
...
https://spring.io/understanding/AMQP
AMQP (Advanced Message Queueing Protocol) is an openly published wire
specification for asynchronous messaging. Every byte of transmitted
data is specified. This characteristic allows libraries to be written
in many languages, and to run on m...
Espresso: Thread.sleep( );
...u can use it in your Test class same way: onView(isRoot()).perform(waitFor(5000));
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How do I drop table variables in SQL-Server? Should I even do this?
...ope of a variable lasts from the point it is declared until the end of the batch or stored procedure in which it is declared.
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Fixing “Lock wait timeout exceeded; try restarting transaction” for a 'stuck" Mysql table?
... for a work around fix.
Run this:
SET GLOBAL innodb_lock_wait_timeout = 5000;
And then this:
SET innodb_lock_wait_timeout = 5000;
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follo...
What are deferred objects?
...t provides a way to register multiple callbacks into self-managed callback queues, invoke callback queues as appropriate, and relay the success or failure state of any synchronous or asynchronous function.
Deferred Methods:
deferred.done()
Add handlers to be called when the Deferred object is reso...
Thread vs ThreadPool
... requests for new work items (I believe this is only in .NET 3.5)
If you queue 100 thread pool tasks, it will only use as many threads as have already been created to service these requests (say 10 for example). The thread pool will make frequent checks (I believe every 500ms in 3.5 SP1) and if th...