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JPA EntityManager: Why use persist() over merge()?
EntityManager.merge() can insert new objects and update existing ones.
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Python __call__ special method practical example
I know that __call__ method in a class is triggered when the instance of a class is called. However, I have no idea when I can use this special method, because one can simply create a new method and perform the same operation done in __call__ method and instead of calling the instance, you can c...
How can I submit a form using JavaScript?
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Set the name attribute of your form to "theForm" and your code will work.
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VS2012 return to a normal TFS checkin window?
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Another method is to use the Productivity Power Tools. This extension adds Windows shell integration so you can perform most of your TFS commands directly from within Windows without even having Visual Studio open. The Power Tools us...
Does uninstalling a package with “pip” also remove the dependent packages?
... specloud and they're still there, but not the specloud package itself.
As mentioned below, You can install and use the pip-autoremove utility to remove a package plus unused dependencies.
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Interface vs Abstract Class (general OO)
...d every aspect of them I could think of, but it seems they are waiting for me to mention something specific, and I don't know what it is.
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Should I use the Reply-To header when sending emails as a service to others?
...that acts as a middleman, allowing Company A to send reports to their customers.
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How to Sync iPhone Core Data with web server, and then push to other devices? [closed]
I have been working on a method to sync core data stored in an iPhone application between multiple devices, such as an iPad or a Mac. There are not many (if any at all) sync frameworks for use with Core Data on iOS. However, I have been thinking about the following concept:
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Where does System.Diagnostics.Debug.Write output appear?
... the project properties in Visual Studio or by supplying the following arguments to csc.exe
/define:DEBUG;TRACE
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How can I select all children of an element except the last child?
...ASS, you could use &:not(:last-child) { /* styles * } inside of the element you want to affect.
– Martin James
Sep 8 '19 at 11:03
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