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Scala: What is the difference between Traversable and Iterable traits in Scala collections?
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@RobinGreen I mean complying with the Traversable interface does not require keeping state, while complying with Iterator interface does.
– Daniel C. Sobral
Nov 6 '13 at 16:59
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How do I append text to a file?
... @UselesssCat when something goes "permission denied", I re-check whatever command I'm running and then use sudo !! - which executes the last command with sudo prepended. I recently found out this also works with nano etc (by accidentally trying to nano nano auth...)
– Sandra
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Difference between `const shared_ptr` and `shared_ptr`?
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How do I choose grid and block dimensions for CUDA kernels?
...ummarized as:
Each block cannot have more than 512/1024 threads in total (Compute Capability 1.x or 2.x and later respectively)
The maximum dimensions of each block are limited to
[512,512,64]/[1024,1024,64] (Compute 1.x/2.x or later)
Each block cannot consume more than 8k/16k/32k/64k/32k/64k/32k/6...
Is MATLAB OOP slow or am I doing something wrong?
...functions and methods. Here are some typical results.
>> call_nops
Computer: PCWIN Release: 2009b
Calling each function/method 100000 times
nop() function: 0.02261 sec 0.23 usec per call
nop1-5() functions: 0.02182 sec 0.22 usec per call
nop() subfunction: ...
What is the @Html.DisplayFor syntax for?
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Simple basic explanation of a Distributed Hash Table (DHT)
... redistribute keys when a node joins so that the load is roughly balanced. Come to think of it, how do you evenly distribute keys anyhow? And when a node joins, how do you avoid rehashing everything? (Remember you'd have to do this in a normal hash table if you increase the number of buckets).
One ...
How to read a single char from the console in Java (as the user types it)?
... mode (line editing with enter key required.) On UNIX systems, the 'stty' command can change modes.
Now, with respect to Java... see Non blocking console input in Python and Java. Excerpt:
If your program must be console based,
you have to switch your terminal out
of line mode into charac...
Convert JSON to Map
...son.org (section java) would work.
For one of them (Jackson https://github.com/FasterXML/jackson-databind/#5-minute-tutorial-streaming-parser-generator), you'd do:
Map<String,Object> result =
new ObjectMapper().readValue(JSON_SOURCE, HashMap.class);
(where JSON_SOURCE is a File, input...