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Any reason to clean up unused imports in Java, other than reducing clutter?
...to organize the imports. Eclipse then cleans up the import section removes all the stale imports etc. If you are needing a imported thing again eclipse will add them automatically while you are completing the statement with Ctrl + SPACE. So there is no need in keeping unused code in you class.
As a...
How to automatically convert strongly typed enum into int?
The a::LOCAL_A is what the strongly typed enum is trying to achieve, but there is a small difference : normal enums can be converted into integer type, while strongly typed enums can not do it without a cast.
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What does the ??!??! operator do in C?
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Trigraphs originally were needed in case you keyboard didn't have eg a '|' symbol. Here it's either the programmer deliberately being annoying or some bizarre editor 'feature'
– Martin Beckett
Oct 19 '1...
Dealing with nginx 400 “The plain HTTP request was sent to HTTPS port” error
...d passenger/nginx. I'm trying to get it to respond to both http and https calls. The problem is, when both are defined in the server block https calls are responded to normally but http yields a 400 "The plain HTTP request was sent to HTTPS port" error. This is for a static page so I'm guessing Sina...
Replace non-numeric with empty string
...t in our project. A field in our DB to hold a phone number is set to only allow 10 characters. So, if I get passed "(913)-444-5555" or anything else, is there a quick way to run a string through some kind of special replace function that I can pass it a set of characters to allow?
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Get string between two strings in a string
...ng on how robust/flexible you want your implementation to be, this can actually be a bit tricky. Here's the implementation I use:
public static class StringExtensions {
/// <summary>
/// takes a substring between two anchor strings (or the end of the string if that anchor is null)
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How do I Geocode 20 addresses without receiving an OVER_QUERY_LIMIT response?
... to be ~1 second apart, but then it takes 20 seconds before my markers are all placed.
6 Answers
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Hash and salt passwords in C#
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Actually this is kind of strange, with the string conversions - which the membership provider does to put them into config files. Hashes and salts are binary blobs, you don't need to convert them to strings unless you want to put...
How to find the extension of a file in C#?
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This allows someone to just rename any file *.flv and upload it. Depending on what your requirements are, you might want to check the MIME type as well.
– David Glenn
Dec 11 '09 at 9:44
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How can I round up the time to the nearest X minutes?
... new DateTime((dt.Ticks + d.Ticks - 1) / d.Ticks * d.Ticks, dt.Kind);
}
Example:
var dt1 = RoundUp(DateTime.Parse("2011-08-11 16:59"), TimeSpan.FromMinutes(15));
// dt1 == {11/08/2011 17:00:00}
var dt2 = RoundUp(DateTime.Parse("2011-08-11 17:00"), TimeSpan.FromMinutes(15));
// dt2 == {11/08/2011...