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How to disable Golang unused import error
...get to the import statement and back when you're just trying to compile or test some code file that you are iteratively fleshing out.
– mtraceur
Nov 19 '19 at 22:22
add a comm...
Explicitly calling return in a function or not
...unction's body
not using return is marginally faster (according to @Alan's test, 4.3 microseconds versus 5.1)
should we all stop using return at the end of a function? I certainly won't, and I'd like to explain why. I hope to hear if other people share my opinion. And I apologize if it is not a s...
How to call shell commands from Ruby
...!) to use quotes in a command, like so:
directorylist = %x[find . -name '*test.rb' | sort]
Which, in this case, will populate file list with all test files under the current directory, which you can process as expected:
directorylist.each do |filename|
filename.chomp!
# work with file
end
...
Can I set null as the default value for a @Value in Spring?
...can't use
<context:property-placeholder null-value="@null" ... />
Tested with Spring 3.1.1
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Meaning of epsilon argument of assertEquals for double values
I have a question about junit assertEquals to test double values. Reading the API doc I can see:
7 Answers
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Webdriver Unable to connect to host 127.0.0.1 on port 7055 after 45000 ms
I have box where I run tests. It seems like Jenkins would ssh in and execute commands described in the specific job that's running.
...
Checking if an object is a given type in Swift
...ive types, the superclass would be Any. Here is an example:
21> func test (obj:Any) -> String {
22. if obj is Int { return "Int" }
23. else if obj is String { return "String" }
24. else { return "Any" }
25. }
...
30> test (1)
$R16: String = "Int"
31> test ("abc")...
What are the performance characteristics of sqlite with very large database files? [closed]
...
So I did some tests with sqlite for very large files, and came to some conclusions (at least for my specific application).
The tests involve a single sqlite file with either a single table, or multiple tables. Each table had about 8 colum...
Hiding user input on terminal in Linux script
...
@electron I tested on my box, not only it doesn't move the cursor, when I try to highlight the line where I typed in my password, I can't seem to paste it later. Both should happen if what the book says is true. I'm guessing maybe a diff...
Difference between a Structure and a Union
...stored at 4 byte addresses and is 4 bytes long. The following union
union test {
int a;
long b;
};
could have a sizeof of 4, and an alignment requirement of 4. Both an union and a struct can have padding at the end, but not at their beginning. Writing to a struct changes only the value o...