大约有 40,000 项符合查询结果(耗时:0.0485秒) [XML]

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Executing multi-line statements in the one-line command-line?

...rehension, lambdas, sys.stdout.write, the "map" builtin, and some creative string interpolation, you can do some powerful one-liners. The question is, how far do you want to go, and at what point is it not better to write a small .py file which your makefile executes instead? ...
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I want to remove double quotes from a String

I want to remove the "" around a String. 15 Answers 15 ...
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Getting LaTeX into R Plots

... By approximately, I meant that LaTeX strings are translated into R's plotmath expressions -- which means that if plotmath does not support a specific LaTeX symbol, it will either not be rendered or it will be rendered by combining symbols that are available. ...
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Code Golf: Lasers

The shortest code by character count to input a 2D representation of a board, and output 'true' or 'false' according to the input . ...
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Formatting Numbers by padding with leading zeros in SQL Server

... This only works if the value passed in is a string, if you pass an integer you get out the same value you passed in. – Mordy Feb 13 '14 at 10:30 2 ...
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How to convert an Int to a String of a given length with leading zeros to align?

How can I convert an Int to a 7-character long String , so that 123 is turned into "0000123" ? 7 Answers ...
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Is Java really slow?

...on Java still has a bad reputation, especially server-side. This makes the String problems exponentially worse. Some simple mistakes are common: objects are often used in place of primitives, reducing performance and increasing memory use. Many Java libraries (including the standard ones) will creat...
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In Java, is there a way to write a string literal without having to escape quotes?

Say you have a String literal with a lot of quotation marks inside it. You could escape them all, but it's a pain, and difficult to read. ...
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How to check for valid email address? [duplicate]

... re.fullmatch which is preferable to re.match. Note the r in front of the string; this way, you won't need to escape things twice. If you have a large number of regexes to check, it might be faster to compile the regex first: import re EMAIL_REGEX = re.compile(r"... regex here ...") if not EMAI...
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Why use pointers? [closed]

...hing else. In C you don't have any support for complex datatypes such as a string. There are also no way of passing a variable "by reference" to a function. That's where you have to use pointers. Also you can have them to point at virtually anything, linked lists, members of structs and so on. But l...