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What really happens in a try { return x; } finally { x = null; } statement?
...
No - at the IL level you can't return from inside an exception-handled block. It essentially stores it in a variable and returns afterwards
i.e. similar to:
int tmp;
try {
tmp = ...
} finally {
...
}
return tmp;
for example (using reflector):
static int ...
Proxies with Python 'Requests' module
... }
r = requests.get(url, headers=headers, proxies=proxyDict)
Deduced from the requests documentation:
Parameters:
method – method for the new Request object.
url – URL for the new Request object.
...
proxies – (optional) Dictionary mapping protocol to the URL of the proxy.
...
How to start two threads at “exactly” the same time
...o start just 2 threads at the same time, but let's control that
// timing from the main thread. That's why we have 3 "parties" instead of 2.
final CyclicBarrier gate = new CyclicBarrier(3);
Thread t1 = new Thread(){
public void run(){
gate.await();
//do stuff
}};
Thread...
What is the difference between JavaConverters and JavaConversions in Scala?
...a.collection.mutable.Map[String, String]
To use the conversions directly from Java, though, you're better off calling methods from JavaConversions directly; e.g.:
List<String> javaList = new ArrayList<String>(Arrays.asList("a", "b", "c"));
System.out.println(javaList); // [a, b, c]
Bu...
How do I iterate through the files in a directory in Java?
...le.com/javase/7/docs/api/java/nio/file/DirectoryStream.html
Example taken from the Javadoc:
List<Path> listSourceFiles(Path dir) throws IOException {
List<Path> result = new ArrayList<>();
try (DirectoryStream<Path> stream = Files.newDirectoryStream(dir, "*.{c,h,cpp,h...
How to watch for a route change in AngularJS?
... i am learning angular. so i need to know what kind of info we can get from event, next, current argument ?
– Monojit Sarkar
May 10 '17 at 20:27
add a comment
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What is recursion and when should I use it?
...ily be replaced by more efficient iteration. After all, recursion suffers from function call overhead, which in the example above could be substantial compared to the operation inside the function itself.
So the whole reason to do recursion rather than iteration should be to take advantage of the ...
What is the meaning of #XXX in code comments?
...
Some notes from a June 2005 Python Enhancement Proposal that was rejected.
Choosing between FIXME and XXX is difficult.
XXX seems to be more common, but much less descriptive.
Furthermore, XXX is a useful placeholder in a piece ...
Strip spaces/tabs/newlines - python
...
Use str.split([sep[, maxsplit]]) with no sep or sep=None:
From docs:
If sep is not specified or is None, a different splitting algorithm is
applied: runs of consecutive whitespace are regarded as a single
separator, and the result will contain no empty strings at the start
...
What is the Python 3 equivalent of “python -m SimpleHTTPServer”
...
From the docs:
The SimpleHTTPServer module has been merged into http.server in Python 3.0. The 2to3 tool will automatically adapt imports when converting your sources to 3.0.
So, your command is python -m http.server, o...