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What does `someObject.new` do in Java?
...
Have a look at this example:
public class Test {
class TestInner{
}
public TestInner method(){
return new TestInner();
}
public static void main(String[] args) throws Exception{
Test t = new Test();
Test.TestInner ti = ...
Mockito - difference between doReturn() and when()
...ck my service layer objects in a Spring MVC application in which I want to test my Controller methods. However, as I have been reading on the specifics of Mockito, I have found that the methods doReturn(...).when(...) is equivalent to when(...).thenReturn(...) . So, my question is what is the poi...
count members with jsonpath?
...
To test size of array: jsonPath("$", hasSize(4))
To count members of object: jsonPath("$.*", hasSize(4))
I.e. to test that API returns an array of 4 items:
accepted value: [1,2,3,4]
mockMvc.perform(get(API_URL))
....
Stack vs heap allocation of structs in Go, and how they relate to garbage collection
... return s
26 }
According to output of cmd:
go run -gcflags -m test.go
output:
# command-line-arguments
./test.go:13:6: can inline F1
./test.go:18:6: can inline F2
./test.go:23:6: can inline F3
./test.go:7:6: can inline main
./test.go:8:4: inlining call to F1
./test.go:9:4: inlining c...
What are the effects of exceptions on performance in Java?
...is already destroys the advantage of a local try block.
See the following test code:
public class Test {
int value;
public int getValue() {
return value;
}
public void reset() {
value = 0;
}
// Calculates without exception
public void method1(int i) ...
Convert absolute path into relative path given a current directory using Bash
...ile1" "$file2"
For example:
$ realpath --relative-to=/usr/bin/nmap /tmp/testing
../../../tmp/testing
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How to DROP multiple columns with a single ALTER TABLE statement in SQL Server?
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create table test (a int, b int , c int, d int);
alter table test drop column b, d;
Be aware that DROP COLUMN does not physically remove the data, and for fixed length types (int, numeric, float, datetime, uniqueidentifier etc) the spac...
Delete topic in Kafka 0.8.1.1
I need to delete the topic test in Apache Kafka 0.8.1.1.
14 Answers
14
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What is the JavaScript convention for no operation?
...y turn off debug code in my program. In C/C++, I would have used macros. I tested assigning my fn to Function.prototype and timed it, comparing the results to simply having an if statement inside the function to return immediately. I also compared these to the results of simply removing the function...
What is a “batch”, and why is GO used?
...nd or set of commands over and over again. This may be to insert or update test data or it may be to put a load on your server for performance testing. Whatever the need the easiest way to do this is to setup a while loop and execute your code, but in SQL 2005 there is an even easier way to do this...