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Add a column with a default value to an existing table in SQL Server
...1), (2); alter table blah add b int null constraint df_blah_b default (0); select * from blah; You will see 2 NULL values for column b.
– ErikE
Jun 14 '13 at 22:19
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Remove columns from DataTable in C#
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Aside from limiting the columns selected to reduce bandwidth and memory:
DataTable t;
t.Columns.Remove("columnName");
t.Columns.RemoveAt(columnIndex);
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jQuery Multiple ID selectors
...that upload has been built in a way that allows for multiple elements in a selection.
upload is a custom jQuery plugin, so you'll have to show what's going on with upload for us to be able to help you.
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Get Enum from Description attribute [duplicate]
...ds = type.GetFields();
var field = fields
.SelectMany(f => f.GetCustomAttributes(
typeof(DescriptionAttribute), false), (
f, a) => new { Field = f, Att = a })
.Where(a => ((De...
Deleting DataFrame row in Pandas based on column value
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Good update for query. It allows for more rich selection criteria (eg. set-like operations like df.query('variable in var_list') where 'var_list' is a list of desired values)
– philE
Sep 30 '14 at 20:32
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Is there a way to auto-adjust Excel column widths with pandas.ExcelWriter?
..._params)
#Output some SQL Server data into a dataframe
my_sql_query = """ SELECT * FROM dbo.my_table """
my_dataframe = pd.read_sql_query(my_sql_query,con=read_engine)
#Set destination directory to save excel.
xlsFilepath = r'H:\my_project' + "\\" + 'my_file_name.xlsx'
writer = pd.ExcelWriter(xlsF...
How can I determine the type of an HTML element in JavaScript?
...eof HTMLInputElement) {} // <input>
elseif (e instanceof HTMLSelectElement) {} // <select>
elseif (e instanceof HTMLTextAreaElement) {} // <textarea>
elseif ( ... ) {} // any interface
Look here for a complete list of interfaces.
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Copy object values in Visual Studio debug mode
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You can add a watch for that object, and in the watch window, expand and select everything you want to copy and then copy it.
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One-liner to take some properties from object in ES 6
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Why do you use hasOwnProperty? If the fields are hand-selected, even in seems to be more appropriate; although I'd go for omitting the check completely and just let them default to undefined.
– Bergi
Nov 24 '15 at 0:19
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Mocking python function based on input arguments
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This made it clearer for me than the selected answer, so thank you for answering your own question :)
– Luca Bezerra
Aug 10 '18 at 19:59
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