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What is the source code of the “this” module doing?
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Configure nginx with multiple locations with different root folders on subdomain
...
You need to use the alias directive for location /static:
server {
index index.html;
server_name test.example.com;
root /web/test.example.com/www;
location /static/ {
alias /web/test.example.com/static/;
}
}
The nginx wiki explains the difference between root and alias bette...
Specifying column name in a “references” migration
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Don't I have to add any index?
– caarlos0
Dec 4 '12 at 1:33
1
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Difference between VARCHAR and TEXT in MySQL [duplicate]
..., where c is the length of the stored string.
cannot be (fully) part of an index. One would need to specify a prefix length.
VARCHAR(M)
variable max size of M characters
M needs to be between 1 and 65535
takes 1 + c bytes (for M ≤ 255) or 2 + c (for 256 ≤ M ≤ 65535) bytes of disk space whe...
Modifying a subset of rows in a pandas dataframe
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Use .loc for label based indexing:
df.loc[df.A==0, 'B'] = np.nan
The df.A==0 expression creates a boolean series that indexes the rows, 'B' selects the column. You can also use this to transform a subset of a column, e.g.:
df.loc[df.A==0, 'B'] = ...
Naming convention for unique constraint
...K_Table_ReferencedTable , respectively). The IX_Table_Column naming for indexes is also fairly standard.
3 Answers
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Rails 3 migrations: Adding reference column?
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remember to add the index with user:integer:index
– rickypai
Dec 1 '12 at 17:40
3
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Remove Identity from a column in a table
...able
Script the table to be created; rename everything e.g. 'MyTable2', 'MyIndex2', etc.
Remove the IDENTITY specification.
You should now have two "identical"-ish tables, one full, the other empty with no IDENTITY.
Run ALTER TABLE [Original] SWITCH TO [Original2]
Now your original table will be emp...
How to remove an element from an array in Swift
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can we filter only based on index ??
– shaqir saiyed
Mar 14 '19 at 7:47
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Get only part of an Array in Java?
...e only a part of it. I know in Python you can do something like this array[index:] and it returns the array from the index. Is something like this possible in Java.
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