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final keyword in method parameters [duplicate]
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Java always makes a copy of parameters before sending them to methods. This means the final doesn't mean any difference for the calling code. This only means that inside the method the variables can not be reassigned. (note that if you have a final object, you can still change the attributes of th...
How to change the output color of echo in Linux
... 1;36
Light Gray 0;37 White 1;37
And then use them like this in your script:
# .---------- constant part!
# vvvv vvvv-- the code from above
RED='\033[0;31m'
NC='\033[0m' # No Color
printf "I ${RED}love${NC} Stack Overflow\n"
which prints love in red.
From @james-lim's comm...
Work on a remote project with Eclipse via SSH
...the New Connection dialog.
Enter the connection information then choose Finish.
Connect to the new host. (Assumes SSH keys are already setup.)
Once connected, drill down into the host's Sftp Files, choose a folder and select Create Remote Project from the item's context menu. (Wait as the remote pro...
Where is android studio building my .apk file?
...t that when I try to run the app, I get the message 'Local path doesn't exist.' , where the local path is pointing at the path: AndroidStudioProjects\MyProject\MyProject..\build\production\MyProject.apk , and true enough, there is no .apk file at that location, or indeed anywhere else in the proje...
What's the difference between struct and class in .NET?
...s are value types and classes are reference types.
The general difference is that a reference type lives on the heap, and a value type lives inline, that is, wherever it is your variable or field is defined.
A variable containing a value type contains the entire value type value. For a struct, tha...
Unit testing with Spring Security
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The problem is that Spring Security does not make the Authentication object available as a bean in the container, so there is no way to easily inject or autowire it out of the box.
Before we started to use Spring Security, we would crea...
How to assertThat something is null with Hamcrest?
How would I assertThat something is null ?
4 Answers
4
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ArithmeticException: “Non-terminating decimal expansion; no exact representable decimal result”
Why does the following code raise the exception shown below?
8 Answers
8
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C++ Object Instantiation
...ld never have new/delete in your user code.
As you say, when the variable is declared on the stack, its destructor is automatically called when it goes out of scope, which is your main tool for tracking resource lifetime and avoiding leaks.
So in general, every time you need to allocate a resource...
What does the term “porcelain” mean in Git?
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"Porcelain" is the material from which toilets are usually made (and sometimes other fixtures such as washbasins). This is distinct from "plumbing" (the actual pipes and drains), where the porcelain provides a more user-friendly interfac...