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What are Scala context and view bounds?
...ounds used for?
View bounds are used mostly to take advantage of the pimp my library pattern, through which one "adds" methods to an existing class, in situations where you want to return the original type somehow. If you do not need to return that type in any way, then you do not need a view bound...
Can JSON start with “[”?
...er, string or the values false, null or true.
Also, this has changed from my previous RFC 4627 quote (emphasis added):
A JSON text is a sequence of tokens. The set of tokens includes six
structural characters, strings, numbers, and three literal names.
A JSON text is a serialized value....
Scheduling recurring task in Android
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I am not sure but as per my knowledge I share my views. I always accept best answer if I am wrong .
Alarm Manager
The Alarm Manager holds a CPU wake lock as long as the alarm receiver's onReceive() method is executing. This guarantees that the phone ...
kernel stack and user space stack
...
My answer is collected from other SO questions with my stuffs.
What's the difference between kernel stack and user stack?
As a kernel programmer, you know that the kernel should be restricted from erroneous user programs. ...
What is the motivation for bringing Symbols to ES6?
...lic and internal properties of objects. Sorry, forgot to add this point to my answer. Will update my answer accordingly.
– Samar Panda
Apr 28 '15 at 5:15
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Fixed point vs Floating point number
...Miller: Sorry for the confusion, but I was talking about non-zero numbers. My example format can represent 0, 0.00001, 0.00002, ..., 99999.99998, 99999.99999.
– Gabe
Aug 16 '14 at 4:22
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What guarantees are there on the run-time complexity (Big-O) of LINQ methods?
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@Zonko: I don't understand your point. I've amended my answer to show that Enumerable.Count doesn't iterate unless there is no obvious alternative. How would you have made it less naive?
– Marcelo Cantos
Nov 8 '11 at 11:00
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What do the terms “CPU bound” and “I/O bound” mean?
... cores is of limited usefulness on common modern desktops.
For example, on my Ubuntu 19.04, Lenovo ThinkPad P51 laptop with CPU: Intel Core i7-7820HQ CPU (4 cores / 8 threads), RAM: 2x Samsung M471A2K43BB1-CRC (2x 16GiB) I get results like this:
Plot data.
Note that there is a lot of variance betwe...
Difference between Observer, Pub/Sub, and Data Binding
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Here's my take on the three:
Data Binding
Essentially, at the core this just means "the value of property X on object Y is semantically bound to the value of property A on object B. No assumptions are made as to how Y knows or is ...
dplyr summarise: Equivalent of “.drop=FALSE” to keep groups with zero length in output
... even more grouping variables? I get a huge number of rows (much more than my original dataframe) if I use all the grouping vars from my group_by
– TobiO
Mar 9 '18 at 15:46
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