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Do unix timestamps change across timezones?
...om any UNIX timestamp you have to do the math UNIX + offset + dstOffset in order to get the New York timestamp.
– Max
Mar 30 '19 at 20:15
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Check if a variable is a string in JavaScript
...ing both typeof and instanceof feels like good advice if your code may be called by others'. @MarkAmery's postmessage edge case matters if you're asking "what was I just postmessaged?" - but you'd expect that to be handled at the interface and not allowed to propagate. Elsewhere, it seems correct t...
How to trigger Autofill in Google Chrome?
... I would like to know if I can add some kind of markup to the html code in order to tell the browser "this is the input for the address" or "this is the ZIP code field" to correctly fill it in (assumed the user activated this feature).
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Get type of all variables
...te: character
typeof(5 && 4) #doubles are coerced by order of && logical
typeof(8 < 'foobar') #string and double is coerced logical
typeof(list(4, T)[[1]]) #a list retains type at every index: double
typeof(list(4, T)[[2]]) #a list retains type at...
Insert auto increment primary key to existing table
...ering if it's possible to insert data into the primary key column automatically (I already have 500 rows in DB and want to give them id but I don't want to do it manually). Any thoughts? Thanks a lot.
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Skip certain tables with mysqldump
...table=schema.table2 > db-data.sql
The resulting two files are structurally sound but the dumped data is now ~500MB rather than 9GB, much better for me. I can now import these two files into another database for testing purposes without having to worry about manipulating 9GB of data or running o...
Avoid duplicates in INSERT INTO SELECT query in SQL Server
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Using ignore Duplicates on the unique index as suggested by IanC here was my solution for a similar issue, creating the index with the Option WITH IGNORE_DUP_KEY
In backward compatible syntax
, WITH IGNORE_DUP_KEY is equivalent to WITH IGNORE_DUP_KEY = ON.
Ref.: index_option
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中文网（自研/维护）拓展 · App Inventor 2 中文网
... 事件
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方法
FindContactsByName(name,fuzzyMatch)
通过姓名查找通讯录，返回 (联系人,手机号) 的列表。fuzzyMatch：是否模糊匹配
FindContactsByNumber(number,fuzzyMatch)
通过手机号查找通讯录，返回 (联系人,...
get list from pandas dataframe column
...rame columns are Pandas Series when you pull them out, which you can then call x.tolist() on to turn them into a Python list. Alternatively you cast 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], inde...
Using Pylint with Django
...derstands Django.
This Pylint plugin for Django works quite well:
pip install pylint-django
and when running pylint add the following flag to the command:
--load-plugins pylint_django
Detailed blog post here.
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