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Using a constant NSString as the key for NSUserDefaults
...mber reading somewhere that setting the keys as constants is a good idea - and I agree. The following code is what I currently have:
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How to get the current time in milliseconds from C in Linux?
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(intmax_t)s, ms);
}
If your goal is to measure elapsed time, and your system supports the "monotonic clock" option, then you should consider using CLOCK_MONOTONIC instead of CLOCK_REALTIME.
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How to check if current thread is not main thread
...eturn null if the thread is not associated with a Looper. So both are safe and have the same result but the first one is a little bit slower while it searches inside a map to find out the looper and its associated thread and do some other stuff .
– Saeed Masoumi
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How to get a substring of text?
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@JoóÁdám tag was changed by Andrew Marshall
– apneadiving
Nov 14 '14 at 12:03
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Ruby on Rails: How do I add a not null constraint to an existing column using a migration?
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I had to change it for a bunch of columns and this doesn't require specifying the column type for each column, much better!
– Dorian
Jan 8 '15 at 12:19
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Why is Spring's ApplicationContext.getBean considered bad?
I asked a general Spring question: Auto-cast Spring Beans and had multiple people respond that calling Spring's ApplicationContext.getBean() should be avoided as much as possible. Why is that?
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Deep null checking, is there a better way?
...ing a new operation "?." to the language that has the semantics you want. (And it has been added now; see below.) That is, you'd say
cake?.frosting?.berries?.loader
and the compiler would generate all the short-circuiting checks for you.
It didn't make the bar for C# 4. Perhaps for a hypothetic...
How can I define colors as variables in CSS?
...te long. I know that the client could ask for changes to the color scheme, and was wondering: is it possible to assign colors to variables, so that I can just change a variable to have the new color applied to all elements that use it?
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ASP.NET custom error page - Server.GetLastError() is null
...«Error Page» without redirecting the browser, so the URL stays the same, and importantly for me, exception information is not lost.
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Where does this come from: -*- coding: utf-8 -*-
... answered Feb 2 '11 at 8:33
Andrea SpadacciniAndrea Spadaccini
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