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Scoping in Python 'for' loops
...od discussion on the topic: http://mail.python.org/pipermail/python-ideas/2008-October/002109.html
Previous proposals to make for-loop
variables local to the loop have
stumbled on the problem of existing
code that relies on the loop variable
keeping its value after exiting the
loop, a...
Does the join order matter in SQL?
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231
For INNER joins, no, the order doesn't matter. The queries will return same results, as long a...
Entity Framework: How to disable lazy loading for specific query?
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answered Jun 6 '16 at 21:58
Karthik GanesanKarthik Ganesan
3,77611 gold badge2121 silver badges3636 bronze badges
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How to replace ${} placeholders in a text file?
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Willem Van Onsem
269k2525 gold badges254254 silver badges355355 bronze badges
answered Jan 6 '09 at 8:01
useruser
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Detect iPad users using jQuery?
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edited May 23 '17 at 11:47
Community♦
111 silver badge
answered Jan 6 '11 at 17:17
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Foreign key constraints: When to use ON UPDATE and ON DELETE
...And once you'll get used to database consistency you'll love PostgreSQL.
12/2017-Updating this Edit about MySQL:
as stated by @IstiaqueAhmed in the comments, the situation has changed on this subject. So follow the link and check the real up-to-date situation (which may change again in the future)...
Dynamically access object property using variable
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edited Sep 20 at 8:54
kabirbaidhya
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Understanding PrimeFaces process/update and JSF f:ajax execute/render attributes
... during an ajax request. See also What is the correct way to deal with JSF 2.0 exceptions for AJAXified components?
The standard JSF equivalent to the PrimeFaces specific update is render from <f:ajax render>. It behaves exactly the same except that it doesn't support a comma-separated string ...
How to create named and latest tag in Docker?
Supposed I have an image that I want to tag as 0.10.24 (in my case it's an image containing Node.js 0.10.24). I built that image using a Dockerfile and executing docker build and by providing a tag using the -t parameter.
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get list from pandas dataframe column
...st it with list(x).
import pandas as pd
data_dict = {'one': pd.Series([1, 2, 3], index=['a', 'b', 'c']),
'two': pd.Series([1, 2, 3, 4], index=['a', 'b', 'c', 'd'])}
df = pd.DataFrame(data_dict)
print(f"DataFrame:\n{df}\n")
print(f"column types:\n{df.dtypes}")
col_one_list = df['one'...