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How is CountDownLatch used in Java Multithreading?
... CountDownLatch in Java is a server side core Java application which uses services architecture, where multiple services are provided by multiple threads and the application cannot start processing until all services have started successfully.
P.S.
OP's question has a pretty straightforward examp...
Heavy usage of Python at Google [closed]
...rst, I thought of it as a good opportunity to sell my freelance consulting service...;-), how I was later able to convince Guido to join us, and, I believe, part of the motivation for such Pythonistas as Greg Stein, Wesley Chun, Fredrik Lundh, Thomas Wouters, Collin Winters, Jeffrey Yasskin, ...
It...
Installing PDO driver on MySQL Linux server
...ion=pdo.so
extension=pdo_mysql.so
restart the webserver (e.g. with "sudo service apache2 restart")
-> every fine :-)
To find where your current active php.ini file is located you can use phpinfo() or some other hints from here: https://www.ostraining.com/blog/coding/phpini-file/
...
How to capture the “virtual keyboard show/hide” event in Android?
...re Android 11:
https://developer.salesforce.com/docs/atlas.en-us.noversion.service_sdk_android.meta/service_sdk_android/android_detecting_keyboard.htm
Note
This solution will not work for soft keyboards and
onConfigurationChanged will not be called for soft (virtual)
keyboards.
You've got to han...
Add EBS to Ubuntu EC2 Instance
...ume
step 3: run sudo resize 2fs -p /dev/xvde
step 4: restart apache2 sudo service apache2 restart
step 4: run df -h
You can see total volume attached to your instance.
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Socket 错误返回码详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...料的資料庫。這個資料庫通常是在本地主機上的檔案，如SERVICES和PROTOCOL這兩個檔。
WSANO_DATA (11004) 名稱合法，但查無此資料
查詢格式是正確的，但是查無此資料存在。這通常是暫時性的錯誤，可能在不同的網路資料伺服器...
How to do a https request with bad certificate?
...s trusted. Just the CA that we run. Web browsers have huge trust lists. Services talking to each other only have the one CA in its trust file.
– Rob
Jan 23 '18 at 21:27
...
Feedback on using Google App Engine? [closed]
...s in app engine to monitor new quakes
solution here is to use a third part service like pingablity.com which can connect to one of your page and which executes the subscription emailer
but here also you will have to take care that you don't spend much time here
or break task into several pieces
It p...
From inside of a Docker container, how do I connect to the localhost of the machine?
...ng Docker-for-mac or Docker-for-Windows 18.03+, just connect to your mysql service using the host host.docker.internal (instead of the 127.0.0.1 in your connection string).
As of Docker 18.09.3, this does not work on Docker-for-Linux. A fix has been submitted on March the 8th, 2019 and will hopeful...
Run/install/debug Android applications over Wi-Fi?
...non-root on-device way to switch adb to listen to tcpip, or is the setprop service.adb.tcp.port the only way to do it?
– reedstrm
Jul 6 '15 at 15:58
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