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【解决】scrapyd启动job时报错：exceptions.TypeError: __init__() got an ...
【解决】scrapyd启动job时报错：exceptions.TypeError: __init__() got an unexpected keyword argument '_job'进入项目spiders目录, 修改 spider py 文件（你自己的spider的主文件）：def __init__(self):改为：def __init__(self, *args, **kwargs):最后不要忘了重新部署一...
How to use if - else structure in a batch file?
...2.org/G8tMae92
– bryc
Apr 30 '16 at 19:55
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show 3 more comments
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Check that an email address is valid on iOS [duplicate]
...negative test case.
– BadPirate
Jul 19 '13 at 22:50
9
Or in swift ;) func isValidEmail(checkStr...
How can strings be concatenated?
...catenation?
– pyCthon
Nov 28 '13 at 19:52
@pyCthon: Huh? You can put a line break in a string using \n or you can do a...
What is the reason why “synchronized” is not allowed in Java 8 interface methods?
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edited Jan 19 '19 at 14:07
answered May 5 '14 at 0:50
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Visual Studio support for new C / C++ standards?
...9, sorry.
– paercebal
Sep 28 '08 at 19:01
11
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module.exports vs exports in Node.js
...e set.)
– josh3736
Jan 14 '13 at 20:19
3
@lime - thanks - I'm glad it's largely irrelevant becaus...
MongoDB atomic “findOrCreate”: findOne, insert if nonexistent, but do not update
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192
Beginning with MongoDB 2.4, it's no longer necessary to rely on a unique index (or any other w...
浅析为什么char类型的范围是 -128~+127 - C/C++ - 清泛网 - 专注C/C++及内核技术
...减法，它会转化为1+(-1) ,因此
0000 0001
+ 1000 0001
____________________
1000 0010 …………… -2 ，1-1= -2? 这显然是不对了，所以为了避免减法运算错误，计算机大神们发明出了反码，直接用最高位表示符号位的叫做...
New Array from Index Range Swift
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edited Jul 1 '19 at 17:56
answered Dec 15 '15 at 22:43
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