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java: ArrayList - how can i check if an index exists?
I'm using ArrayList<String> and I add data at specific indices,
how can I check if a specific index exists?
11 Ans...
How to add extension methods to Enums
I have this Enum code:
8 Answers
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Change case of a file on Windows?
There are a couple of files in our git-controlled codebase that I'd like to rename. Specifically, I just want to change the case of the file, so that sourceCode.java becomes SourceCode.java , for example. The catch: I'm on a Windows box, and the filesystem thinks those are the same file name.
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Why not infer template parameter from constructor?
my question today is pretty simple: why can't the compiler infer template parameters from class constructors, much as it can do from function parameters? For example, why couldn't the following code be valid:
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Read connection string from web.config
How can I read a connection string from a web.config file into a public class contained within a class library?
12 Answer...
Is there a read-only generic dictionary available in .NET?
I'm returning a reference to a dictionary in my read only property. How do I prevent consumers from changing my data? If this were an IList I could simply return it AsReadOnly . Is there something similar I can do with a dictionary?
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DateTime.Now vs. DateTime.UtcNow
I've been wondering what exactly are the principles of how the two properties work. I know the second one is universal and basically doesn't deal with time zones, but can someone explain in detail how they work and which one should be used in what scenario?
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Convert hex string to int
I am trying to convert a string that is 8 characters long of hex code into an integer so that I can do int comparison instead of string comparisons over a lot of different values.
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Path of assets in CSS files in Symfony 2
I have a CSS file with some paths in it (for images, fonts, etc.. url(..) ).
6 Answers
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What do the parentheses around a function name mean?
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