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LEFT JOIN only first row

... Thanks for your fast response. This was not the exact answer, but totally got me on the right way. I always tried to join both on the same level instead of making the one depended from the other. Thank you very much for leading me on the right track. Edited the first post ...
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Get underlined text with Markdown

... I guess this is because underlined text is hard to read, and that it's usually used for hyperlinks. share | improve this answer | follow | ...
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Select multiple records based on list of Id's with linq

I have a list containing Id's of my UserProfile table. How can i select all UserProfiles based on the list of Id's i got in a var using LINQ ? ...
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关于php的socket初探 - PHP - 清泛IT论坛,有思想、有深度

...塞的古老模型:属于同步阻塞 IO 模型,代码如下: socket_server.php <?php   /** * SocketServer Class * By James.Huang <shagoo#gmail.com> **/   set_time_limit(0);   class SocketServer    {       private stati...
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UDP 实验 - 两台手机在局域网里互发消息 · App Inventor 2 中文网

... 关键属性 文本输入框 文本输入框_对方IP 提示「对方 IP,如 192.168.1.23」 文本输入框 文本输入框_内容 提示「输入要发送的消息」 按钮 按钮_开始监听 文本「...
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Create singleton using GCD's dispatch_once in Objective-C

...er here: instancetype + (instancetype)sharedInstance { static dispatch_once_t once; static id sharedInstance; dispatch_once(&once, ^ { sharedInstance = [self new]; }); return sharedInstance; } + (Class*)sharedInstance { static dispatch_once_t once; ...
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Combining two Series into a DataFrame in pandas

... this actually avoids copying too (as compared to the dict solution) – Jeff Aug 5 '13 at 16:27 ...
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Getting the class name from a static method in Java

...tatic context to mean the current Class in Java, that that "class.xxx" was allowed in either instance or static code to mean this class! The problem with this is that MyClass is verbose and redundant, in the context. But then as much as I like Java it does seem to lean towards verbosity. ...
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Creating a new empty branch for a new project

...branches departing from the original branch. But now we want to create a small new project to track some documentation. For that we would want to create a new empty branch to start storing our files, and I would want other users of the network to clone that branch. ...
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Package objects

... Normally you would put your package object in a separate file called package.scala in the package that it corresponds to. You can also use the nested package syntax but that is quite unusual. The main use case for package object...