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How to get the index of an item in a list in a single step?
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EDIT: If you're only using a List<> and you only need the index, then List.FindIndex is indeed the best approach. I'll leave this answer here for those who need anything different (e.g. on top of any IEnumerable<>).
Use the overload of Select which takes...
Efficiently checking if arbitrary object is NaN in Python / numpy / pandas?
...lues. As I iterate over the data set, I need to detect such missing values and handle them in special ways.
2 Answers
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Does Dispose still get called when exception is thrown inside of a using statement?
In the example below, is the connection going to close and disposed when an exception is thrown if it is within a using statement?
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Executing an EXE file using a PowerShell script
... trying to execute an EXE file using a PowerShell script. If I use the command line it works without a problem (first I supply the name of the executable and series of parameters to invoke it):
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How do I add a bullet symbol in TextView?
I have a TextView and I want to add a bullet symbol in my text through XML. Is it possible?
9 Answers
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Checking if jquery is loaded using Javascript
... presence of jQuery. If jQuery isn't loaded then $() won't even run at all and your callback won't execute, unless you're using another library and that library happens to share the same $() syntax.
Remove your $(document).ready() (use something like window.onload instead):
window.onload = function(...
“unmappable character for encoding” warning in Java
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Absolutely. (This is better handled in C#, where unicode escaping is only applied in certain contexts - but then there's the dangerous \x escape sequence as well, which is awful.)
– Jon Skeet
Jan 21 '09 at 11:38
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Is the 'override' keyword just a check for a overridden virtual method?
As far as I understand, the introduction of override keyword in C++11 is nothing more than a check to make sure that the function being implemented is the override ing of a virtual function in the base class.
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What is the significance of ProjectTypeGuids tag in the visual studio project file
... Do you really need a new project type if it is a project with .xaml and .cs files? If you do, I think you'll have to use a different Guid.
– Julien Hoarau
May 26 '10 at 11:33
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Default value of a type at Runtime [duplicate]
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There's really only two possibilities: null for reference types and new myType() for value types (which corresponds to 0 for int, float, etc) So you really only need to account for two cases:
object GetDefaultValue(Type t)
{
if (t.IsValueType)
return Activator.CreateInstance(...