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How to use Swift @autoclosure
...his is Swift 3):
func print(_ item: @autoclosure () -> Any, separator: String = " ", terminator: String = "\n") {
#if DEBUG
Swift.print(item(), separator:separator, terminator: terminator)
#endif
}
When you say print(myExpensiveFunction()), my print override overshadows Swift's pri...
Java: How to test methods that call System.exit()?
...se of ExpectedSystemRule is nice, of course; the problem is it requires an extra 3rd-party library which provides very little in terms of real-world usefulness, and is JUnit-specific.
– Rogério
Oct 22 '15 at 16:15
...
Can not connect to local PostgreSQL
...
I've added an extra link. As far as I know you can't really have postgresql without the postgresql.conf (even if it's been renamed). Your first task must be to find this.
– Philip Couling
Dec 13 '11 ...
Using build types in Gradle to run same app that uses ContentProvider on one device
...at can be used wherever needed in your implementation:
public static final String AUTHORITY = BuildConfig.APPLICATION_ID + ".provider";
Tip: Before it was BuildConfig.PACKAGE_NAME
That's it! It will work like a charm. Keep reading if you use SyncAdapter!
Update for SyncAdapter (14.11.2014)
Once ag...
Mockito: InvalidUseOfMatchersException
...exception went away. E.g. inside below Java class,
public class Foo {
String getName(String id) {
return mMap.get(id);
}
}
the method String getName(String id) has to be AT LEAST protected level so that the mocking mechanism (sub-classing) can work.
...
Why do you need explicitly have the “self” argument in a Python method?
... It forces to put self as first param in every method, just extra text that doesn't make much sense as for me. Other languages work just fine with this.
– Vedmant
Jul 28 '15 at 13:29
...
How to specify jackson to only use fields - preferably globally
.... I am getting additional json property, while serializing object to json string. I need to get the json string, which contains only mentioned variables with @JsonProperty. Can you please help me on this ?
– jrhamza
Nov 23 '13 at 22:01
...
usr/bin/ld: cannot find -l
... not be appropriate to change the Makefile with the -Loption. I had put my extra library in /opt/lib so I did:
$ export LIBRARY_PATH=/opt/lib/
and then ran make for successful compilation and linking.
To run the program with a shared library define:
$ export LD_LIBRARY_PATH=/opt/lib/
before ...
How do I sort a list by different parameters at different timed
...}
}
An example of usage (with a static import).
public static void main(String[] args) {
List<Person> list = null;
Collections.sort(list, decending(getComparator(NAME_SORT, ID_SORT)));
}
share
|
...
How to find the kth largest element in an unsorted array of length n in O(n)?
...not very good.
Everything you need is in these powerpoint slides. Just to extract the basic algorithm of the O(n) worst-case algorithm (introselect):
Select(A,n,i):
Divide input into ⌈n/5⌉ groups of size 5.
/* Partition on median-of-medians */
medians = array of each group’s med...