大约有 39,000 项符合查询结果（耗时：0.0397秒） [XML]
Hidden features of Ruby
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80
votes
From Ruby 1.9 Proc#=== is an alias to Proc#call, which means Proc objects ca...
Regular expression to extract text between square brackets
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801
You can use the following regex globally:
\[(.*?)\]
Explanation:
\[ : [ is a meta char an...
Uninstall ReSharper 4.5
I have ReSharper 4.5 in Visual Studio 2008. Now I want to install ReSharper 5, but I can't do it before I uninstall ReSharper 4.5.
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What do column flags mean in MySQL Workbench?
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348
PK - Primary Key
NN - Not Null
BIN - Binary (stores data as binary strings. There is no cha...
Extract every nth element of a vector
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answered Mar 8 '11 at 20:03
niconico
46.3k1515 gold badges8080 silver badges109109 bronze badges
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CSS display: inline vs inline-block [duplicate]
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answered Feb 8 '12 at 8:30
OldskoolOldskool
31.8k77 gold badges4848 silver badges6464 bronze badges
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numpy matrix vector multiplication [duplicate]
...>> b = np.array([1, 2, 3])
>>> print a.dot(b)
array([16, 6, 8])
This occurs because numpy arrays are not matrices, and the standard operations *, +, -, / work element-wise on arrays. Instead, you could try using numpy.matrix, and * will be treated like matrix multiplication.
Ot...
2024年4月8日签到记录贴 - 签到区 - 清泛IT社区，为创新赋能！
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2024年5月8日签到记录贴 - 签到区 - 清泛IT社区，为创新赋能！
...的,如果您还未签到,请点此进行签到的操作. 我在 2024-05-08 06:24 完成签到,是今天第一个签到的用户,获得随机奖励 小红花 20,另外我还额外获得了 小红花 10.我今天最想说:「该会员没有填写今日想说内容.」. 我在 2024-05-08 10:24 完成...