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What's the easiest way to escape HTML in Python?
...with all non-ascii unicode chars encoded using the xml character reference table.
– nosklo
Jun 23 '10 at 3:48
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Accessing Google Spreadsheets with C# using Google Data API
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Ultimately I need to get the information from Google spreadsheet in a DataTable.
How can I do it? If anyone has attempted it, pls share some information.
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Cannot add or update a child row: a foreign key constraint fails
table 1
24 Answers
24
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Adding :default => true to boolean in existing Rails column
...ribute == nil ? true : false)) }
Update the migration that created this table, so any future builds of the DB will get it right from the onset. Also run the same process on any deployed-instances of the DB.
If using the "new db migration" method, you can do the update of existing nil-values i...
Reading Excel files from C#
...ionString);
var ds = new DataSet();
adapter.Fill(ds, "anyNameHere");
DataTable data = ds.Tables["anyNameHere"];
This is what I usually use. It is a little different because I usually stick a AsEnumerable() at the edit of the tables:
var data = ds.Tables["anyNameHere"].AsEnumerable();
as thi...
How to find largest objects in a SQL Server database?
...the largest objects in a SQL Server database? First, by determining which tables (and related indices) are the largest and then determining which rows in a particular table are largest (we're storing binary data in BLOBs)?
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What is the correct way to document a **kwargs parameter?
...t call out kwargs specifically. (other_silly_variable=None)
def fetch_bigtable_rows(big_table, keys, other_silly_variable=None):
"""Fetches rows from a Bigtable.
Retrieves rows pertaining to the given keys from the Table instance
represented by big_table. Silly things may happen if
other_silly_v...
Why are joins bad when considering scalability?
...ted comparison for a join is now much smaller and potentially pre-indexed.
Table partitions (helps with large data sets by spreading the load out to multiple disks, or limiting what might have been a table scan down to a partition scan)
OLAP (pre-computes results of certain kinds of queries/joins. I...
insert a NOT NULL column to an existing table
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As an option you can initially create Null-able column, then update your table column with valid not null values and finally ALTER column to set NOT NULL constraint:
ALTER TABLE MY_TABLE ADD STAGE INT NULL
GO
UPDATE MY_TABLE SET <a valid not null values for your column>
GO
ALTER TABLE MY_TA...
What are database normal forms and can you give examples? [closed]
...y normalization, which is a process of organizing columns (attributes) and tables (relations) to reduce data redundancy and improve data integrity. (as written on Wikipedia ).
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