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Calling closure assigned to object property directly

...sn't work on a StdClass. Before PHP7, you'd have to implement the magic __call method to intercept the call and invoke the callback (which is not possible for StdClass of course, because you cannot add the __call method) class Foo { public function __call($method, $args) { if(is_...
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Deleting rows with MySQL LEFT JOIN

...ed May 4 '10 at 6:26 Daniel VassalloDaniel Vassallo 301k6666 gold badges475475 silver badges424424 bronze badges ...
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Guaranteed lifetime of temporary in C++?

...or the lifetime of a temporary variable that is created within a function call but not used as a parameter? Here's an example class: ...
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Managing relationships in Laravel, adhering to the repository pattern

...kiest part of this setup, for me at least, is determing if Eloquent is actually helping or harming us. ORMs are a tricky subject, because while they help us greatly from a practical point of view, they also couple your "business logic entities" code with the code doing the data retrieval. This sort...
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How can I add an item to a SelectList in ASP.net MVC

Basically I am looking to insert an item at the beginning of a SelectList with the default value of 0 and the Text Value of " -- Select One --" ...
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Multiple aggregations of the same column using pandas GroupBy.agg()

... functions f1, f2 to the same column df["returns"] , without having to call agg() multiple times? 3 Answers ...
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Environment variable to control java.io.tmpdir?

...s. On Windows, OpenJDK's get_temp_directory() function makes a Win32 API call to GetTempPath(); this is how on Windows, Java reflects the value of the TMP environment variable. On Linux and Solaris, the same get_temp_directory() functions return a static value of /tmp/. I don't know if the actual...
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How does one remove an image in Docker?

... Try docker rmi node. That should work. Seeing all created containers is as simple as docker ps -a. To remove all existing containers (not images!) run docker rm $(docker ps -aq) share ...
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What is the meaning and difference between subject, user and principal?

...utomation, applications, connections, etc. User - A subset of principal usually referring to a human operator. The distinction is blurring over time because the words "user" or "user ID" are commonly interchanged with "account". However, when you need to make the distinction between the broad clas...
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Embed git commit hash in a .Net dll

...view the version from windows explorer: You can also get it programmatically via: var build = ((AssemblyInformationalVersionAttribute)Assembly .GetAssembly(typeof(YOURTYPE)) .GetCustomAttributes(typeof(AssemblyInformationalVersionAttribute), false)[0]) .InformationalVersion; where YOURTY...