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How do you print in a Go test using the “testing” package?
...
Command go
Description of testing flags
-v
Verbose output: log all tests as they are run. Also print all
text from Log and Logf calls even if the test succeeds.
Package testing
func (*T) Log
func (c *T) Log(args ...interface{})
Log formats its arguments using default ...
What's the Best Way to Shuffle an NSMutableArray?
...o be flipped only if the result is the opposite of the side that was originally up?
– Kristopher Johnson
Oct 22 '12 at 17:00
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Understanding implicit in Scala
..., which means the values will be taken from the context in which they are called. If there is no implicit value of the right type in scope, it will not compile. Since the implicit value must resolve to a single value and to avoid clashes, it's a good idea to make the type specific to its purpose, e....
“Delegate subtraction has unpredictable result” in ReSharper/C#?
...esn't guarantee an order of execution for its subscribers, so it doesn't really affect you either.
Since the above mechanics can lead to unpredictable results, ReSharper issues a warning whenever it encounters a delegate subtraction operator.
ReSharper is issuing this warning because multicast...
Linking static libraries to other static libraries
I have a small piece of code that depends on many static libraries (a_1-a_n). I'd like to package up that code in a static library and make it available to other people.
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Bash: infinite sleep (infinite blocking)
... "string" to a double. Then that double is truncated to the maximum values allowed timespec, which means a very large amount of seconds (architecture-dependant) but, in theory, finite.
– jp48
Aug 19 '17 at 11:16
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How to record webcam and audio using webRTC and a server-based Peer connection
...ly have a look at Kurento. It provides a WebRTC server infrastructure that allows you to record from a WebRTC feed and much more. You can also find some examples for the application you are planning here. It is really easy to add recording capabilities to that demo, and store the media file in a URI...
How to remove/delete a large file from commit history in Git repository?
I accidentally dropped a DVD-rip into a website project, then carelessly git commit -a -m ... , and, zap, the repo was bloated by 2.2 gigs. Next time I made some edits, deleted the video file, and committed everything, but the compressed file is still there in the repository, in history.
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Parsing XML with namespace in Python via 'ElementTree'
...tTree is not too smart about namespaces. You need to give the .find(), findall() and iterfind() methods an explicit namespace dictionary. This is not documented very well:
namespaces = {'owl': 'http://www.w3.org/2002/07/owl#'} # add more as needed
root.findall('owl:Class', namespaces)
Prefixes a...
How to find third or nth maximum salary from salary table?
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Use ROW_NUMBER(if you want a single) or DENSE_RANK(for all related rows):
WITH CTE AS
(
SELECT EmpID, EmpName, EmpSalary,
RN = ROW_NUMBER() OVER (ORDER BY EmpSalary DESC)
FROM dbo.Salary
)
SELECT EmpID, EmpName, EmpSalary
FROM CTE
WHERE RN = @NthRow
...