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How to make a Java thread wait for another thread's output?
...vate final Object lock = new Object();
//now use lock in your synchronized blocks
To further your understanding:
There are other (sometimes better) ways to do the above, e.g. with CountdownLatches, etc. Since Java 5 there are a lot of nifty concurrency classes in the java.util.concurrent package a...
When should I use std::thread::detach?
...e to cause the thread to terminate you might be waiting for a long time... blocking the current thread whose stack is being unwound and preventing this current thread from ever terminating thus blocking the thread waiting for it, etc... So, unless you are certain that you can stop a given thread in ...
How to add a delay for a 2 or 3 seconds [closed]
...
Avoid using Thead.Sleep cause It will completely block the current Thread from doing ANYTHING till the duration ends.
– Mohammed Swillam
Mar 27 '11 at 14:59
...
How do I quickly rename a MySQL database (change schema name)?
...
I think the solution is simpler and was suggested by some developers. phpMyAdmin has an operation for this.
From phpMyAdmin, select the database you want to select. In the tabs there's one called Operations, go to the rename section. That's all.
It does, as many suggested, create a new databa...
Store a closure as a variable in Swift
In Objective-C, you can define a block's input and output, store one of those blocks that's passed in to a method, then use that block later:
...
How can I comment a single line in XML?
...d using an XML editor that allows you to right-click and comment/uncomment blocks of XML, which is probably preferable over fancy find/replace tricks (it would also make for a good answer in itself, but I've never used such tools. I just want to make sure the information isn't lost over time). I've ...
Map Tiling Algorithm
...pushTile(w44, cols, rows, 90);
}
// regular wall blocks
else if (northTile === 1 && eastTile === 0 && southTile === 1 && westTile === 1)
{
var w11:Wall1 = new Wall1();
addChild(w11);
...
What exactly is node.js used for? [closed]
...g fast, scalable network applications. Node.js uses an
event-driven, non-blocking I/O model that makes it lightweight and
efficient, perfect for data-intensive real-time applications that run
across distributed devices.
Event-driven means that the server only reacts when an event occurs. Thi...
How to use Checkbox inside Select Option
...ntById("checkboxes");
if (!expanded) {
checkboxes.style.display = "block";
expanded = true;
} else {
checkboxes.style.display = "none";
expanded = false;
}
}
.multiselect {
width: 200px;
}
.selectBox {
position: relative;
}
.selectBox select {
width: 1...
Message Queue vs. Web Services? [closed]
...time to process. Requests are queued and can be processed offline without blocking the client. If the client needs to be notified of completion, you can provide a way for the client to periodically check the status of the request.
Message queues also allow you to scale better across time. It imp...