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What is the equivalent of the C++ Pair in Java?
... class and keeping the values together doesn't look too bad. And, if you really want a pair despite the limitations, there's always Object[2] + casts :-)
– marcus
Dec 14 '16 at 0:41
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Python Request Post with param data
This is the raw request for an API call:
3 Answers
3
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Which is better option to use for dividing an integer number by 2?
...ter of the compiler got to choose among several implementation choices, usually with substantial constraints. Here, one constraint is that the % and / operators must be consistent for both positive and negative operands so that (a/b)*b+(a%b)==a is true regardless of the signs of a and b. Usually, th...
Is an HTTPS query string secure?
I am creating a secure web based API that uses HTTPS; however, if I allow the users to configure it (include sending password) using a query string will this also be secure or should I force it to be done via a POST?
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How to check if a Ruby object is a Boolean
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Yes, that's called duck typing and a core principle of OOP. I think it's a feature.
– Konstantin Haase
Jun 19 '12 at 16:41
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When to throw an exception?
...throws an exception.
This is comparable to the "loaded question" logical fallacy. Every function asks a question. If the input it is given makes that question a fallacy, then throw an exception. This line is harder to draw with functions that return void, but the bottom line is: if the function's a...
How to find the kth largest element in an unsorted array of length n in O(n)?
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This is called finding the k-th order statistic. There's a very simple randomized algorithm (called quickselect) taking O(n) average time, O(n^2) worst case time, and a pretty complicated non-randomized algorithm (called introselect) ...
Ruby on Rails form_for select field with class
I am beating my head against the wall on this one. I want to make a simple select tag using the f.select tag but nothing I do works. I put an example below:
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Target elements with multiple classes, within one rule
...t;/div>
<div class="blue-border background">!</div>
would all get a blue border and white background applied to them.
However, the accepted answer is different.
.blue-border.background {
border: 1px solid #00f;
background: #fff;
}
This applies the styles to elements that...
How can I clear or empty a StringBuilder? [duplicate]
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Two ways that work:
Use stringBuilderObj.setLength(0).
Allocate a new one with new StringBuilder() instead of clearing the buffer.
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