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From inside of a Docker container, how do I connect to the localhost of the machine?

...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 hopefully be merged to the code base. Until then, a workaround is to use a container as describe...
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const char * const versus const char *?

... The latter prevents you from modifying the_string inside print_string. It would actually be appropriate here, but perhaps the verbosity put off the developer. char* the_string : I can change which char the_string points to, and I can modify the char to which it points...
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How do I connect to this localhost from another computer on the same network?

...osts.conf file. On XAMP, you can find this file here: C:\xampp\apache\conf\extra\httpd-vhosts.conf. On MAMP, you can find this file here: Applications/MAMP/conf/apache/extra/httpd-vhosts.conf. This step prepares the Web server on your computer for handling symfony.local requests. You need to provide...
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Why is the gets function so dangerous that it should not be used?

...ng gets, you want to use fgets, which has the signature char* fgets(char *string, int length, FILE * stream); (fgets, if it reads an entire line, will leave the '\n' in the string; you'll have to deal with that.) It remained an official part of the language up to the 1999 ISO C standard, but it ...
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Is there a good reason I see VARCHAR(255) used so often (as opposed to another length)?

...egers, you count starting from 0 and you end at 255. But with places in a string, you count starting from the 1st place, so doesn't it make sense to end at the 256th place, because you started at 1 instead of 0? I'm not agreeing with varchar(256) entirely just yet, because of string_length() resul...
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廉价共享存储解决方案1-drbd+ha+nfs - 更多技术 - 清泛网 - 专注C/C++及内核技术

...扑结构,在集群中总共跳跃节点的数量 udpport 694 #使用udp端口694 进行心跳监测 bcast eth1 ucast eth1 10.10.10.43 #采用单播,进行心跳监测,IP为对方主机 IPauto_failback on #on表示当拥有该资源的属主恢复之后,资源迁移到属主上 node share...
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PostgreSQL: Difference between text and varchar (character varying)

...tant increase of the length constraint, and on the basis that decreasing a string length constraint is rare, depesz concludes that one of them is usually the best choice for a length limit. share | ...
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记录一些Mac OS X技巧 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...,再勾选允许访问的用户即可。 访问时使用本机的ip端口为22,用户名和密码为该用户的Mac OS X的登录密码。 关闭鼠标加速度 Mac OS X的鼠标加速度很诡异,缓慢移动鼠标时几乎很难移动。 下载Mouse Acceleration Preference Pane这个...
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Read whole ASCII file into C++ std::string [duplicate]

I need to read a whole file into memory and place it in a C++ std::string . 9 Answers ...
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How do you access a website running on localhost from iPhone browser

...ption key while clicking on the Wi-Fi menu bar item. This gives a bunch of extra information about your connection including your local IP address. – William Robertson Feb 23 '16 at 23:04 ...