This question already has answers here: 开发者_JAVA百科 How can I convert ereg expressions to preg in PHP?
In Python, when formatting string, I can fill placeholders by na开发者_如何学Cme rather than by position, like that:
any idea how I can display headers using % for formatting? I does nothing in class method but works nicely in instance method
I would like to specify the format of the ToString format, but I am not sure of the best way to handle this.
long number = …; // string should contain exactly 12 characters string leastSignificant48bitsOfNumberAsHex = nu开发者_如何学JAVAmber.ToString(\"????\")
I开发者_如何学Python\'ve noticed the following inconsistency in C#/.NET. Why is it so? Console.WriteLine("{0,-4:#.0} | {1,-4:#.0}", 1.04, Math.Round(1.04, 1));
I frequently find myself using the following pattern for string formatting. a = 3 b = \'foo\' c = dict(mykey=\'myval\')
Just a string. Add \\开发者_开发百科\' to it every time there is a single quote.replace works for the first quote, so you need a tiny regular expression:
I have a string which represents a DataTime value, and I want to workout what string format was used to create the string.
I need to format decimal numbers with patterns in J2ME just like java DecimalFormat. I see an option to 开发者_如何学JAVAport Format/NumberFormat/DecimalFormat.
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