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How to write a Python module/package?
...tuptools for packaging, we need to add a file setup.py, this goes into the root folder of our project:
.
├── setup.py
└── hellostackoverflow/
├── __init__.py
└── hellostackoverflow.py
At the minimum, we specify the metadata for our package, our setup.py would look ...
Apache not starting on MAMP Pro
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Not the answer you're looking for? Browse other questions tagged mysql apache mamp diagnostics mamp-pro or ask your own question.
PHP json_encode encoding numbers as strings
...s with PDO and mssql ; but, if I remember correctly, this also happens for MySQL in PHP < 5.3, when the new mysqlnd driver was not yet existing) ;; to check what your data look like, you can use var_dump, which outputs the types of each part of the data.
– Pascal MARTIN
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Increment a database field by 1
With MySQL, if I have a field, of say logins, how would I go about updating that field by 1 within a sql command?
5 Answers...
大数据能否拯救中国足球? - 资讯 - 清泛网 - 专注C/C++及内核技术
...难。
未来大数据在足球相关产业中的应用前景到底如何?从球队、球员的日常训练到整个职业联赛球员大数据库的建立,从可穿戴设备到体育赛事转播的制作包装,大数据可介入的发力点又在哪里?
事实上,随着80亿中超(...
How does “do something OR DIE()” work in PHP?
I'm writing a php app to access a MySQL database, and on a tutorial, it says something of the form
4 Answers
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How do I print a list of “Build Settings” in Xcode project?
...hmvgxgf/ArchiveIntermediates/Project Distribution/BuildProductsPath"
BUILD_ROOT "/Users/username/Library/Developer/Xcode/DerivedData/project-dxdgjvgsvvbhowgjqouevhmvgxgf/ArchiveIntermediates/Project Distribution/BuildProductsPath"
BUILD_STYLE
BUILD_...
Getting the minimum of two values in SQL
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For MySQL or PostgreSQL 9.3+, a better way is to use the LEAST and GREATEST functions.
SELECT GREATEST(A.date0, B.date0) AS date0,
LEAST(A.date1, B.date1, B.date2) AS date1
FROM A, B
WHERE B.x = A.x
With:
GREATEST(v...
Setup RSpec to test a gem (not Rails)
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Optional: add a .rspec file for default options and put it in your gem's root path:
--color
--format documentation
Finally: run the specs:
$ rspec spec/foobar_spec.rb
share
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大数据:用数据指导APP运营 - 资讯 - 清泛网 - 专注C/C++及内核技术
...感觉在不知不觉中获得了提升,这一点,非常重要。
3 如何获取数据
获取数据的渠道有很多,而方式基本就是自己做和使用外部工具两种方式。
自己做的话,App可以选择“埋点”、log等方式,而Web可以通过log、日志与按钮埋...