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What does a lazy val do?
... it is not sure if it is later used.
scala> class X { val x = { Thread.sleep(2000); 15 } }
defined class X
scala> class Y { lazy val y = { Thread.sleep(2000); 13 } }
defined class Y
scala> new X
res5: X = X@262505b7 // we have to wait two seconds to the result
scala> new Y
res6: Y = ...
How to convert Linux cron jobs to “the Amazon way”?
...memcached or some database
Then using multiple Gearman servers you have to select one that creates task via cronjob, so again we are back to the same problem. But if you can live with this kind of single point of failure using Gearman looks like quite good solution. Especially that you don't need bi...
AWS Error Message: A conflicting conditional operation is currently in progress against this resourc
...o
aws s3 mb s3://your.bucket.name --region us-west-2
RESULT=$?
sleep 5
done
echo "Bucket created!"
it will retry the "create bucket" operation for you, every few seconds (depend on 'sleep' ) and as soon as it's possible - will create it for you, so no one can steal your bucket name b...
How to make ThreadPoolExecutor's submit() method block if it is saturated?
...that getActiveCount() doesn't exceed getMaximumPoolSize(), and if it does, sleep and try again?
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How can I expand and collapse a using javascript?
... I will get rid of it and just use a border. This is excellent because it selects the div to expand relative to the header I've clicked, which is important because of the fact that I may have several different numbers of listed items depending on user settings and other factors.
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Using querySelectorAll to retrieve direct children
..., your code could become:
let myDiv = getElementById("myDiv");
myDiv.querySelectorAll(":scope > .foo");
Note that in some cases you can also skip .querySelectorAll and use other good old-fashioned DOM API features. For example, instead of myDiv.querySelectorAll(":scope > *") you could just...
Node.js spawn child process and get terminal output live
I have a script that outputs 'hi', sleeps for a second, outputs 'hi', sleeps for 1 second, and so on and so forth. Now I thought I would be able to tackle this problem with this model.
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How to install Android SDK Build Tools on the command line?
... update Android SDK on headless server FILTER=tool,platform,android-20 ( sleep 5 && while [ 1 ]; do sleep 1; echo y; done ) \ | android update sdk --no-ui --all \ --filter ${FILTER} </code></pre>
– i4niac
Aug 27 '14 at 0:01
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Can I do a synchronous request with volley?
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This solution blocks my thread forever, changed Thread.sleep instead of countDownLatch and problem solved
– snersesyan
Jul 25 '18 at 15:24
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Keeping ASP.NET Session Open / Alive
...ough, if the user leaves their browser open, and say the pc does not go to sleep for 10 hours, the session will be kept alive for such long, right? Is this right?
– Julius A
Jul 26 '11 at 11:07
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