大约有 40,000 项符合查询结果(耗时:0.0485秒) [XML]
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?
...
I want to remove double quotes from a String
I want to remove the "" around a String.
15 Answers
15
...
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.
...
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 .
...
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
...
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
...
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...
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.
...
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...
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...