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Django-Admin: CharField as TextArea
...form = BookForm
admin.site.register(Book, BookAdmin)
If you are using a MySQL DB, your column length will usually be autoset to 250 characters, so you will want to run an ALTER TABLE to change the length in you MySQL DB, so that you can take advantage of the new larger Textarea that you have in y...
Equivalent of varchar(max) in MySQL?
What is the equivalent of varchar(max) in MySQL?
6 Answers
6
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select * vs select column
...the top of my head is when you want only the value of an indexed column in MySQL (for example, just to check for row existence), and you're using MyISAM storage engine, it'll grab the data from the MYI file, which could be in memory, and not even go to disk!
– Mike Sherov
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阿里双11大型项目管理怎么玩？ - 项目管理 - 清泛网 - 专注C/C++及内核技术
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在面对大型项目、有几百人需进行工作沟通和协作时，如何健康有序运转项目？是否有一个成熟的、可参考的、可量化的项目管理工具帮助企业透明化沟通、数据化沉淀？
上图表格为某研发童鞋工作周报记录
2016年菜...
Access nested dictionary items via a list of keys?
...uce # forward compatibility for Python 3
import operator
def get_by_path(root, items):
"""Access a nested object in root by item sequence."""
return reduce(operator.getitem, items, root)
def set_by_path(root, items, value):
"""Set a value in a nested object in root by item sequence.""...
PHP + MySQL transactions examples
I really haven't found normal example of PHP file where MySQL transactions are being used. Can you show me simple example of that?
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Swapping column values in MySQL
I have a MySQL table with coordinates, the column names are X and Y. Now I want to swap the column values in this table, so that X becomes Y and Y becomes X. The most apparent solution would be renaming the columns, but I don't want to make structure changes since I don't necessarily have permission...
Comparison of full text search engine - Lucene, Sphinx, Postgresql, MySQL?
...some benchmarks. Could be useful, I guess.
I've not plumbed the depths of MySQL's full-text search, but I know it doesn't compete speed-wise nor feature-wise with Sphinx, Lucene or Solr.
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im...
How do I specify unique constraint for multiple columns in MySQL?
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For those people using MySQL workbench: go to the Indexes tab and select UNIQUE as your type. Give your index a name and check the appropriate columns under the section "Index Columns"
– Pakman
Jun 3 '13 at 2...
Which MySQL data type to use for storing boolean values
Since MySQL doesn't seem to have any 'boolean' data type, which data type do you 'abuse' for storing true/false information in MySQL?
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