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Avoiding recursion when reading/writing a port synchronously?
All port operations in Rebol 3 are asynchronous. The only way I can find to do synchronous communication is calling wait .
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Functional style of Java 8's Optional.ifPresent and if-not-Present?
In Java 8, I want to do something to an Optional object if it is present, and do another thing if it is not present.
12 A...
Local and global temporary tables in SQL Server
What is the difference between local and global temporary tables in SQL Server?
7 Answers
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Remove border from buttons
I tried to create buttons and insert my own images instead of the standard button images. However, the gray border from the standard buttons still remains, showing on the outside of my black button images.
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Permission denied on accessing host directory in Docker
In short: I am trying to mount a host directory in Docker, but then I can not access it from within the container, even if the access permissions look good.
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What is Inversion of Control?
Inversion of Control (IoC) can be quite confusing when it is first encountered.
37 Answers
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Return HTTP status code 201 in flask
We're using Flask for one of our API's and I was just wondering if anyone knew how to return a HTTP response 201?
9 Answers...
Python loop counter in a for loop [duplicate]
In my example code below, is the counter = 0 really required, or is there a better, more Python, way to get access to a loop counter? I saw a few PEPs related to loop counters, but they were either deferred or rejected ( PEP 212 and PEP 281 ).
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Calling startActivity() from outside of an Activity?
I'm using an AlarmManager to trigger an intent that broadcasts a signal. The following is my code:
9 Answers
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How can I select rows with most recent timestamp for each key value?
I have a table of sensor data. Each row has a sensor id, a timestamp, and other fields. I want to select a single row with latest timestamp for each sensor, including some of the other fields.
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