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How do I get the time difference between two DateTime objects using C#?
...ollowing example demonstrates how to do this:
DateTime a = new DateTime(2010, 05, 12, 13, 15, 00);
DateTime b = new DateTime(2010, 05, 12, 13, 45, 00);
Console.WriteLine(b.Subtract(a).TotalMinutes);
When executed this prints "30" since there is a 30 minute difference between the date/times.
The ...
Explain the use of a bit vector for determining if all characters are unique
I am confused about how a bit vector would work to do this (not too familiar with bit vectors). Here is the code given. Could someone please walk me through this?
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Spring Boot application as a Service
...can generate a fully executable war file, so no need for the java -jar ... bit, just use the file's name there.
– Pierre Henry
Feb 9 '16 at 10:24
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Determine the number of NA values in a column
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Thank you for this. To expand this a little bit. In counting amount of arbitrary value, other than NA is writing a boolean function is.value and then using sum(is.value(df$col)) the way to go or is there a more concise direct syntax for this?
– u...
Tool to convert Python code to be PEP8 compliant
...sing on another plugin "Python Script". However, it works. Plz check here: bit.ly/pep8_tonizer
– kmonsoor
Apr 28 '14 at 15:23
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Moving average or running mean
...convolution is the same thing, except instead of the mean you compute an arbitrary linear combination, i.e. multiply each element by a corresponding coefficient and add up the results. Those coefficients, one for each position in the window, are sometimes called the convolution kernel. Now, the arit...
Detect if called through require or directly by command line
... code snippet, so I decided to create a simple module for it. It took me a bit to make it work since accessing caller's module info is not straightforward, but it was fun to see how it could be done.
So the idea is to call a module and ask it if the caller module is the main one. We have to figure o...
How can I check if a jQuery plugin is loaded?
...is another option
– Nagyman
Jun 16 '10 at 14:55
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Maybe a little overkill, but if ($.isFunction(j...
Why does the default parameterless constructor go away when you create one with parameters
... book; little on low-level tech and lots on design decisions, with amusing bits like one person's speech saying you should have to donate a kidney before proposing a new feature (you'd think very hard, and only do it twice) right before his speech introducing both templates, and exceptions.
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What are the most interesting equivalences arising from the Curry-Howard Isomorphism?
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@pelotom: You may want to read a bit about other kinds of logic. Plain classical logic often isn't useful in this context--I mentioned intuitionistic logic in my answer, but modal and linear logic are even "weirder", but also really awesome.
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