大约有 40,000 项符合查询结果（耗时：0.0326秒） [XML]
List all files and directories in a directory + subdirectories
...Oct 23 '19 at 9:47
brainoverflow98brainoverflow98
56244 silver badges1919 bronze badges
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What is a 'semantic predicate' in ANTLR?
...) throws Exception {
ANTLRStringStream in = new ANTLRStringStream("123, 456, 7 , 89");
NumbersLexer lexer = new NumbersLexer(in);
CommonTokenStream tokens = new CommonTokenStream(lexer);
NumbersParser parser = new NumbersParser(tokens);
parser.parse();
}...
List comprehension vs map
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10000 loops, best of 3: 181/118/123 usec per loop ^^^^^^^^^^^^^^^^^^
for list(<generator>), probably optimized
% python3 -mtimeit -s 'xs=range(1000)' 'f=lambda x:x' 'z=list(f(x) for x in xs)' ...
Reference: mod_rewrite, URL rewriting and “pretty links” explained
...tact.html
RewriteRule ^about$ about.php
Numeric identifiers /object/123
Introducing shortcuts like http://example.com/article/531 to existing PHP scripts is also easy. The numeric placeholder can just be remapped to a $_GET parameter:
RewriteRule ^article/(\d+)$ article-show.php?id=$1
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BLE 接收BLE模块发来的信息 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...-1.html
读取ble数据并显示在App上请参考文档：https://www.fun123.cn/reference/ ... ml#RegisterForBytes
请先自行研究一下，如果遇到具体的问题，请再继续跟帖提问，谢谢。App Inventor 2 发表于 2024-09-24 16:15
ble 设备连接，发送数据...
What is the lifetime of a static variable in a C++ function?
...reated in foo
Created in if
Destroyed in if
Destroyed in foo
[0] Since C++98[2] has no reference to multiple threads how this will be behave in a multi-threaded environment is unspecified, and can be problematic as Roddy mentions.
[1] C++98 section 3.6.3.1 [basic.start.term]
[2] In C++11 statics ar...
How can I call controller/view helper methods from the console in Ruby on Rails?
...the helper object:
$ ./script/console
>> helper.number_to_currency('123.45')
=> "R$ 123,45"
If you want to use a helper that's not included by default (say, because you removed helper :all from ApplicationController), just include the helper.
>> include BogusHelper
>> helper...
How to store a dataframe using Pandas
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Pickle works good!
import pandas as pd
df.to_pickle('123.pkl') #to save the dataframe, df to 123.pkl
df1 = pd.read_pickle('123.pkl') #to load 123.pkl back to the dataframe df
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How can I view an old version of a file with Git?
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Matthieu Moy
9,98422 gold badges3131 silver badges5353 bronze badges
answered Mar 7 '13 at 17:05
Jim HunzikerJim Hun...
Case insensitive regular expression without re.compile?
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Mark Amery
98.8k4848 gold badges336336 silver badges379379 bronze badges
answered Feb 1 '09 at 14:01
Michael Har...