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可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: Is it true that C++0x will come without semaphores? There are already some questions on Stack Overflow regarding the use of semaphores. I use them (posix semaphores) all the time to let a thread wait for some event in another thread: void thread0(...) { doSomething0(); event1.wait(); ... } void thread1(...) { doSomething1(); event1.post(); ... } If I would do that with a mutex: void thread0(...) { doSomething0(); event1.lock(); event1.unlock(); ... } void thread1(...) { event1.lock(); doSomethingth1(); event1.unlock(); ... } Problem: It's

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I am using a wamp version 2.5 My Apache is 2.4.9 PHP: 5.5.12 MySQL: 5.6.17 I have these configurations: On my httpd.conf # Virtual hosts Include conf/extra/httpd-vhosts.conf On my G:\wamp\bin\apache\apache2.4.9\conf\extra\httpd-vhost.conf # Virtual Hosts # # Required modules: mod_log_config # If you want to maintain multiple domains/hostnames on your # machine you can setup VirtualHost containers for them. Most configurations # use only name-based virtual hosts so the server doesn't need to worry about # IP addresses. This is indicated by

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: When I attempt to run "rake test" on a local postgres database, it throws the above exception. Here is my pg_hba.conf file: # Database administrative login by Unix domain socket local all postgres peer # TYPE DATABASE USER ADDRESS METHOD # "local" is for Unix domain socket connections only local all username peer local myapp_dev myapp md5 local myapp_test myapp md5 local myapp_prod myapp md5 #local all all peer # IPv4 local connections: host all all 127.0.0.1/32 md5 # IPv6 local connections: host all all ::1/128 md5 # Allow replication

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I'm new to Sockets, please excuse my complete lack of understanding. I have a server script(server.py): #!/usr/bin/python import socket #import the socket module s = socket . socket () #Create a socket object host = socket . gethostname () #Get the local machine name port = 12397 # Reserve a port for your service s . bind (( host , port )) #Bind to the port s . listen ( 5 ) #Wait for the client connection while True : c , addr = s . accept () #Establish a connection with the client print "Got connection from" , addr c . send ( "Thank you for

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I have Puma running as the upstream app server and Riak as my background db cluster. When I send a request that map-reduces a chunk of data for about 25K users and returns it from Riak to the app, I get an error in the Nginx log: upstream timed out (110: Connection timed out) while reading response header from upstream If I query my upstream directly without nginx proxy, with the same request, I get the required data. The Nginx timeout occurs once the proxy is put in. **nginx.conf** http { keepalive_timeout 10m; proxy_connect_timeout 600s;

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I've installed the tensorflow docker container on an ubuntu machine. The tensorflow docker setup instructions specify: docker run -it b.gcr.io/tensorflow/tensorflow This puts me into the docker container terminal, and I can run python and execute the Hello World example. I can also manually run .\run_jupyter.sh to start the jupyter notebook. However, I can't reach the notebook from host. How do I start the jupyter notebook such that I can use the notebook from the host machine? Ideally I would like to use docker to launch the container and

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I am running vagrant 1.4 and virtual box 4.3 on fedora 17 machine. When I do "vagrant up", I get this error: Bringing machine 'default' up with 'virtualbox' provider... [default] Clearing any previously set forwarded ports... [default] Clearing any previously set network interfaces... There was an error while executing `VBoxManage`, a CLI used by Vagrant for controlling VirtualBox. The command and stderr is shown below. Command: ["hostonlyif", "create"] Stderr: 0%... Progress state: NS_ERROR_FAILURE VBoxManage: error: Failed to create the

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I've reinstalled my server and I am getting these messages: [user@hostname ~]$ ssh root@pong @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY! Someone could be eavesdropping on you right now (man-in-the-middle attack)! It is also possible that a host key has just been changed. The fingerprint for the RSA key sent by the remote host is 6e:45:f9:a8:af:38:3d:a1:a5:c7:76

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: Here is my problem I need to use one variable 'target_host' and then append '_host' to it's value to get another variable name whose value I need. If you look at my playbook. Task nbr 1,2,3 fetch the value of variable however nbr 4 is not able to do what I expect. Is there any other way to achieve the same in ansible? --- - name : "Play to for dynamic groups" hosts : local vars : - target_host : smtp - smtp_host : smtp . max . com tasks : - name : testing debug : msg ={{ target_host }} - name : testing debug : msg ={{ smtp_host }}

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I am new to PHP and CakePHP. Finding problems while wiring my database using CakePhp. Below is my app configuration. I am on Bitnami WAMP stack 5.4.40-0 I am using CakePhp 3.0.4 to create a web mvc application Entry for datasources in My app.php file /** * Connection information used by the ORM to connect * to your application's datastores. * Drivers include Mysql Postgres Sqlite Sqlserver * See vendor\cakephp\cakephp\src\Database\Driver for complete list */ 'Datasources' => [ 'default' => [ 'className' => 'Cake\Database\Connection', 'driver