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How do I “git blame” a deleted line?
git blame is great for modified and added lines, but how can I find when a line that existed in a specific previous commit was eventually deleted. I'm thinking bisect , but I was hoping for something handier.
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How to make an array of arrays in Java
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(The latter syntax can be used in assignments other than at the point of the variable declaration, whereas the shorter syntax only works with declarations.)
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How can I split up a Git commit buried in history?
I flubbed up my history and want to do some changes to it. Problem is, I have a commit with two unrelated changes, and this commit is surrounded by some other changes in my local (non-pushed) history.
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传感器组件 · App Inventor 2 中文网
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方向传感器
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计步器
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How to style the option of an html “select” element?
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There are only a few style attributes that can be applied to an <option> element.
This is because this type of element is an example of a "replaced element". They are OS-dependent and are not part of the HTML/browser. It cannot be styl...
What is a “thread” (really)?
I have been trying to find a good definition, and get an understanding, of what a thread really is.
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Which @NotNull Java annotation should I use?
... well as use tooling like IDE code inspection and/or static code analysis (FindBugs and Sonar) to avoid NullPointerExceptions. Many of the tools seem incompatible with each others' @NotNull / @NonNull / @Nonnull annotation and listing all of them in my code would be terrible to read. Any suggest...
How do I set a cookie on HttpClient's HttpRequestMessage
... api's HttpClient to do a post to an endpoint that requires login in the form of an HTTP cookie that identifies an account (this is only something that is #ifdef 'ed out of the release version).
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Setting default permissions for newly created files and sub-directories under a directory in Linux?
I have a bunch of long-running scripts and applications that are storing output results in a directory shared amongst a few users. I would like a way to make sure that every file and directory created under this shared directory automatically had u=rwxg=rwxo=r permissions.
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How can I dynamically create derived classes from a base class
For example I have a base class as follows:
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