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Covariance and contravariance real world example
I'm having a little trouble understanding how I would use covariance and contravariance in the real world.
9 Answers
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How to calculate moving average using NumPy?
There seems to be no function that simply calculates the moving average on numpy/scipy, leading to convoluted solutions .
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Initializing a static std::map in C++
What is the right way of initializing a static map? Do we need a static function that will initialize it?
11 Answers
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What are the various “Build action” settings in Visual Studio project properties and what do they do
...st take whatever Visual Studio sets it for you as a default... I'm referring to the BuildAction property for each file selected in Solution Explorer. There are a number of options and it's difficult to know what each one of them will do.
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Get all Attributes from a HTML element with Javascript/jQuery
... to use the attributes node list on the element itself:
var el = document.getElementById("someId");
for (var i = 0, atts = el.attributes, n = atts.length, arr = []; i < n; i++){
arr.push(atts[i].nodeName);
}
Note that this fills the array only with attribute names. If you need the attribut...
Delete empty lines using sed
I am trying to delete empty lines using sed:
13 Answers
13
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What are the dark corners of Vim your mom never told you about? [closed]
...thora of questions where people talk about common tricks, notably " Vim+ctags tips and tricks ".
70 Answers
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What is the default location for MSBuild logs?
I am using Visual Studio Express 2012. Where is the location of the log file? I have searched in the folder where my solution and projects are stored, but cannot find any .log file.
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Is there a way to change the spacing between legend items in ggplot2?
Is there a way to change the spacing between legend items in ggplot2? I currently have
8 Answers
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Generating an Excel file in ASP.NET [closed]
... a section to an ASP.NET app (VB.NET codebehind) that will allow a user to get data returned to them as an Excel file, which I will generate based on database data. While there are several ways of doing this, each has its own drawbacks. How would you return the data? I'm looking for something t...