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What are the differences between “generic” types in C++ and Java?
... C++ programmer a lot of the concepts like objects will be second nature already but there are subtle differences so it can be worthwhile to have an introductory text even if you skim parts.
A lot of what you'll learn when learning Java is all the libraries (both standard--what comes in the JDK--an...
Updating and committing only a file's permissions using git version control
...xecutable or not. It does not track other file permission like writable or readable. Read stackoverflow.com/a/11231682/2311074 for more.
– Adam
Jul 11 '17 at 8:22
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How do different retention policies affect my annotations?
...ss file by the compiler and retained by the VM at run time, so they may be read reflectively.
SOURCE
：Annotations are to be discarded by the compiler.
Oracle Doc
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Passing arguments forward to another javascript function
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Spread operator
The spread operator allows an expression to be expanded in places where multiple arguments (for function calls) or multiple elements (for array literals) are expected.
ECMAScript ES6 added a new operator t...
Maven2: Best practice for Enterprise Project (EAR file)
... `-- templates
| `-- default.xhtml
|-- pom.xml
`-- README.md
32 directories, 23 files
After reading the four POM files, which were well-commented, I had pretty much all the information I needed.
./pom.xml
./Foo-ear/pom.xml
./Foo-ejb/pom.xml
./Foo-web/pom.xml
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How do I get an apk file from an Android device?
...ckage name of the app, e.g. "com.example.someapp". Skip this step if
you already know the package name.
adb shell pm list packages
Look through the list of package names and try to find a match between the app in question and the package name. This is usually easy, but note that the package name ...
What's the difference between a single precision and double precision floating point operation?
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I read a lot of answers but none seems to correctly explain where the word double comes from. I remember a very good explanation given by a University professor I had some years ago.
Recalling the style of VonC's answer, a sin...
How to get a specific output iterating a hash in Ruby?
...h { |key, array| puts "#{key}-----", array }
I think it is pretty easy to read.
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T-SQL - function with default parameters
... @Misiu, it is not something that needs to be "fixed". That's by design. I read a lot of alternatives to approach an "ideal" goal of simply being able to call a function without specifying every argument, but I didn't see a clear explanation of why that is required. Code should be clear and one str...
python: How do I know what type of exception occurred?
...Present exceptions as dialogs in a GUI
Transfer exceptions from a worker thread or process to the controlling thread or process in a multithreading or multiprocessing application
So how to catch the generic exception? There are several ways. If you just want the exception object, do it like this:
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