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What is the purpose of “!” and “?” at the end of method names?
...or readability, but they do have common meanings:
Methods ending in ! perform some permanent or potentially dangerous change; for example:
Enumerable#sort returns a sorted version of the object while Enumerable#sort! sorts it in place.
In Rails, ActiveRecord::Base#save returns false if saving fai...
How are VST Plugins made?
...he wiki, explains what they are and gives links to the sdk.
Here is some information regarding the deve
How to compile a plugin - For making VST plugins in C++Builder, first you need the VST sdk by Steinberg. It's available from the Yvan Grabit's site (the link is at the top of the page).
The next...
“On-line” (iterator) algorithms for estimating statistical median, mode, skewness, kurtosis?
...lications.
I would love to see an incremental mode estimator of a similar form...
UPDATE
I just modified the incremental median estimator to estimate arbitrary quantiles. In general, a quantile function (http://en.wikipedia.org/wiki/Quantile_function) tells you the value that divides the data int...
How to do stateless (session-less) & cookie-less authentication?
... sending the token via a POST request every time (this would mean a hidden form field on the user's browser.) The latter approach of using a POST request should use CSRF defenses, just in case, though I suspect using the token itself might be some sort of a CSRF defense.
Last, but not the least, ma...
Does pandas iterrows have performance issues?
I have noticed very poor performance when using iterrows from pandas.
6 Answers
6
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Why doesn't Java Map extend Collection?
... feel... thus... makes little sense". I don't feel that "feel" and "sense" form a conclusion ;o)
– Peter Wippermann
Aug 29 '12 at 9:32
...
How to check whether an object has certain method/property?
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Multiple Type Constraints in Swift
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MySql Table Insert if not exist otherwise update
...at would cause a duplicate value in a UNIQUE index orPRIMARY KEY, MySQL performs an [UPDATE`](http://dev.mysql.com/doc/refman/5.7/en/update.html) of the old row...
The ON DUPLICATE KEY UPDATE clause can contain multiple column assignments, separated by commas.
With ON DUPLICATE KEY UPDATE,...
Guava: Why is there no Lists.filter() function?
...f slow methods, such as #get(index) on the returned List view (inviting performance bugs). And ListIterator would be a pain to implement as well (though I submitted a patch years ago to cover that).
Since indexed methods can't be efficient in the filtered List view, it's better to just go with a fi...