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Choosing the best concurrency list in Java [closed]
My thread pool has a fixed number of threads. These threads need to write and read from a shared list frequently.
6 An...
When is .then(success, fail) considered an antipattern for promises?
...bit odd, this is actually what python has try-except-else for (recommended reading!).
// some_promise_call().then(logger.log).catch(logger.log)
try {
var results = some_call();
logger.log(results);
} catch(e) {
logger.log(e);
}
The catch logger will also handle exceptions from the suc...
not None test in Python [duplicate]
... not (val is None):
# ...
this is simply part of the Zen of Python: "Readability counts." Good Python is often close to good pseudocode.
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Why is lock(this) {…} bad?
...esigner/creator knowing about it. This increases the complexity of multi-threaded solutions and might affect their correctness.
A private field is usually a better option as the compiler will enforce access restrictions to it, and it will encapsulate the locking mechanism. Using this violates encap...
Checking if a variable is defined?
...Meuret Sort of, not really. -- while it may not seem identical, it's worth reading the answers on that question.
– Fund Monica's Lawsuit
Mar 8 '16 at 19:42
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How can I pass command-line arguments to a Perl program?
...guments as input files, you can just pass them in and then use <> to read their contents.
If they have a different meaning, you can use GetOpt::Std and GetOpt::Long to process them easily. GetOpt::Std supports only single-character switches and GetOpt::Long is much more flexible. From GetOpt:...
converting Java bitmap to byte array
...hout the compression the size difference is dramatic. For theory you could read wikipedia, but for example in my case the compressed result (as per the 1st answer) is 20 MB, the other one (this answer) is 48 MB
– Kirill Starostin
May 21 at 15:33
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Cross-browser multi-line text overflow with ellipsis appended within a fixed width and height
...ould something similar to a binary search: test to see if the text block already fits, otherwise split the text into words or characters and define your bounds (lower=1 word/chars, upper=all words/chars), while ((upper-lower)>1) {let middle=((lower+upper)/2)|0 /*|0 is quick floor*/; if (test(word...
What is the difference between varchar and nvarchar?
...ther than varchar, you can avoid doing encoding conversions every time you read from or write to the database. Conversions take time, and are prone to errors. And recovery from conversion errors is a non-trivial problem.
If you are interfacing with an application that uses only ASCII, I would still...
AngularJs “controller as” syntax - clarification?
I read about the new syntax from angularJS regarding controller as xxx
6 Answers
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