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await vs Task.Wait - Deadlock?
...conceptually - are actually completely different.
Wait will synchronously block until the task completes. So the current thread is literally blocked waiting for the task to complete. As a general rule, you should use "async all the way down"; that is, don't block on async code. On my blog, I go int...
将 App Inventor 2 项目连接到外部传感器 · App Inventor 2 中文网
...work was provided by Google ATAP
Introduction
App Inventor is a visual “blocks” based language for programming Android apps. It gives users the ability to easily learn, create, and prototype in a plug-and-play environment by connecting various blocks of code.
Currently, AppInventor’s toolset...
Can I do a synchronous request with volley?
...ue.add(request);
try {
JSONObject response = future.get(); // this will block
} catch (InterruptedException e) {
// exception handling
} catch (ExecutionException e) {
// exception handling
}
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IllegalMonitorStateException on wait() call
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You need to be in a synchronized block in order for Object.wait() to work.
Also, I recommend looking at the concurrency packages instead of the old school threading packages. They are safer and way easier to work with.
Happy coding.
EDIT
I assumed you m...
How to insert a line break before an element using CSS
...f a line.
p.s. Another treatment to be
:before { content: ' '; display: block; }
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Java synchronized method lock on object, or method?
..., so two thread accessing a different variable from this same object would block each other anyway.
If you want to synchronize only on one variable at a time, so two threads won't block each other while accessing different variables, you have synchronize on them separately in synchronized () block...
How and when to use ‘async’ and ‘await’
...sync() will return to its calling method, thus the main thread doesn't get blocked. When the longRunningTask is done then a thread from the ThreadPool (can be any thread) will return to MyMethodAsync() in its previous context and continue execution (in this case printing the result to the console).
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Grep not as a regular expression
I need to search for a PHP variable $someVar . However, Grep thinks that I am trying to run a regex and is complaining:
6 ...
How do I list all cron jobs for all users?
... d m w user command
09,39 * * * * root [ -d /var/lib/php5 ] && find /var/lib/php5/ -type f -cmin +$(/usr/lib/php5/maxlifetime) -print0 | xargs -r -0 rm
47 */8 * * * root rsync -axE --delete --ignore-errors / /mirror/ >/dev/null
17 1 * * * root ...
Which is more correct: … OR …
...ou put the <a> around the <h1> and the css display property is block (which it is by default) the entire block (the height of the <h1> and 100% of the width of the container the <h1> resides in) will be clickable.
Historically you could not put a block element inside of an i...