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Scanning Java annotations at runtime [closed]
...API
A component provider that scans the classpath from a base package. It then applies exclude and include filters to the resulting classes to find candidates.
ClassPathScanningCandidateComponentProvider scanner =
new ClassPathScanningCandidateComponentProvider(<DO_YOU_WANT_TO_USE_DEFALT_F...
Handling JSON Post Request in Go
... use json.Decoder instead of json.Unmarshal.
func test(rw http.ResponseWriter, req *http.Request) {
decoder := json.NewDecoder(req.Body)
var t test_struct
err := decoder.Decode(&t)
if err != nil {
panic(err)
}
log.Println(t.Test)
}
...
Solving “Who owns the Zebra” programmatically?
Edit: this puzzle is also known as "Einstein's Riddle"
14 Answers
14
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What is a word boundary in regex?
...parse numeric output, among other purposes) and cannot find a precise definition of \b ("word boundary"). I had assumed that -12 would be an "integer word" (matched by \b\-?\d+\b ) but it appears that this does not work. I'd be grateful to know of ways of matching space-separated numbers.
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Convert Iterable to Stream using Java 8 JDK
I have an interface which returns java.lang.Iterable<T> .
9 Answers
9
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Python list subtraction operation
...
Use a list comprehension:
[item for item in x if item not in y]
If you want to use the - infix syntax, you can just do:
class MyList(list):
def __init__(self, *args):
super(MyList, self).__init__(args)
def __sub__(self, other):
...
Propagate all arguments in a bash shell script
I am writing a very simple script that calls another script, and I need to propagate the parameters from my current script to the script I am executing.
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Are Mutexes needed in javascript?
...entation. Functions like setTimeout() and asynchronous callbacks need to wait for the script engine to sleep before they're able to run.
That means that everything that happens in an event must be finished before the next event will be processed.
That being said, you may need a mutex if your code ...
What do 'real', 'user' and 'sys' mean in the output of time(1)?
...sed by other processes and time the process spends blocked (for example if it is waiting for I/O to complete).
User is the amount of CPU time spent in user-mode code (outside the kernel) within the process. This is only actual CPU time used in executing the process. Other processes and time the pr...
Eclipse error: “The import XXX cannot be resolved”
I'm trying to work with Hibernate in Eclipse.
I'm creating a new simple project and I've downloaded a collegue project too, via CVS.
Both don't work, while on my collegue's Eclipse do.
The problem is that, for each import of an Hibernate class, Eclipse says:
...