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How to delete duplicates on a MySQL table?
...NORE TABLE `table_name` ADD UNIQUE (title, SID)
note: only works well if index fits in memory
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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...
Representing graphs (data structure) in Python
...value of references cannot be changed). Because of that they can be easily indexed. This way, the list can be used also for implementation of matrices.
Another way to represent matrices are the arrays implemented by the standard module array -- more constrained with respect to the stored type, homo...
Physical vs. logical / soft delete of database record?
...siness needs.
EDIT: Thought of another disadvantange - If you have unique indexes on the table, deleted records will still take up the "one" record, so you have to code around that possibility too (for example, a User table that has a unique index on username; A deleted record would still block the...
Escaping ampersand in URL
... When i replace & to %26, its still showing the same error-- A potentially dangerous Request.Path value was detected from the client (&).
– Sanjiv
Aug 23 '16 at 6:14
4
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How to use a RELATIVE path with AuthUserFile in htaccess?
... different versions in my codebase, and have the deployment process set it all up (i. e. replace placeholders or rename / move the appropriate file).
On Java projects, I use Maven to do this type of work, on, say, PHP projects, I like to have a build.sh and / or install.sh shell script that tunes t...
Does List guarantee insertion order?
...ist "Represents a strongly typed list of objects that can be
accessed by index."
The index values must remain reliable for this to be accurate. Therefore the order is guaranteed.
You might be getting odd results from your code if you're moving the item later in the list, as your Remove() will m...
When to use MyISAM and InnoDB? [duplicate]
...s much less costs of server resources. -- Mostly no longer true.
Full-text indexing. -- InnoDB has it now
Especially good for read-intensive (select) tables. -- Mostly no longer true.
Disk footprint is 2x-3x less than InnoDB's. -- As of Version 5.7, this is perhaps the only real advantage of MyISA...
Set value for particular cell in pandas DataFrame using index
...iew. For this reason the docs recommend avoiding assignments with "chained indexing".
So the recommended alternative is
df.at['C', 'x'] = 10
which does modify df.
In [18]: %timeit df.set_value('C', 'x', 10)
100000 loops, best of 3: 2.9 µs per loop
In [20]: %timeit df['x']['C'] = 10
1000...
How can I do an asc and desc sort using underscore.js?
... charCodeAt will "return the Unicode of the character at the specified index in a string" so it can be used to sort by characters in a string, but as shown it does not "sort by string" it sorts by a character in the string
– Anthony
May 22 '14 at 10:56
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