大约有 47,000 项符合查询结果（耗时：0.0737秒） [XML]
Laravel Eloquent ORM Transactions
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LaurenceLaurence
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SQL select only rows with max value on a column [duplicate]
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answered Oct 12 '11 at 19:43
Adriano CarneiroAdriano Carneiro
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“Find next” in Vim
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911
It is n for next and N for previous.
And if you use reverse search with ? (for example, ?cake)...
Retrieve column names from java.sql.ResultSet
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answered Mar 30 '09 at 11:13
Brian AgnewBrian Agnew
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What is the difference between the | and || or operators?
...either x or y is true. Otherwise, the result is false." Also see Section 7.11 Conditional logical operators: "The operation x || y corresponds to the operation x | y, except that y is evaluated only if x is false." which further "legalizes" | as a conditional operator. And people whoever will use C/...
Add timestamps to an existing table
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vkopio
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answered Sep 25 '11 at 1:13
Ben SimpsonBen Simpson
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AES vs Blowfish for file encryption
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11
I think other algorithms were considered securer than Rijndael, but it offered very good performance while it's security was judged as good...
Finding quaternion representing the rotation from one vector to another
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117
Quaternion q;
vector a = crossproduct(v1, v2);
q.xyz = a;
q.w = sqrt((v1.Length ^ 2) * (v2.Len...
What's the correct way to sort Python `import x` and `from x import y` statements?
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116
Imports are generally sorted alphabetically and described in various places beside PEP 8.
Alp...
django - query filter on manytomany is empty
...93C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 45.2525 4.66231 44.6595 4.66231C43.6264 4.66231 43.1481 5.28821 43.1481 6.59048V11.9512C43.1481 13.2535 43.6264 13.8962 44.6595 13.8962C45.69...