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Rails migrations: Undo default setting for a column
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In more recent versions, you can make it reversible. For example: change_column_default(:table_name, :column_name, from: nil, to: false)
– Mark
Feb 23 '17 at 19:17
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Adding IN clause List to a JPA Query
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Nope ... I my case its opposite. If I use :inclList then its not working. If I use IN (:inclList) then it works.
– Gunjan Shah
Nov 24 '12 at 10:27
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'str' object does not support item assignment in Python
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In Python, strings are immutable, so you can't change their characters in-place.
You can, however, do the following:
for i in str:
srr += i
The reasons this works is that it's a shortcut for:
for i in str:
srr = srr + i
The above creates a new string ...
Sublime text 2 - find and replace globally ( all files and in all directories )
Is there any way to find and replace text string automatically in all folder's files ?
2 Answers
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How do you increase the max number of concurrent connections in Apache?
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Here's a detailed explanation about the calculation of MaxClients and MaxRequestsPerChild
http://web.archive.org/web/20160415001028/http://www.genericarticles.com/mediawiki/index.php?title=How_to_optimize_apache_web_server_for_maximum_concurrent_connections_or_inc...
Hibernate dialect for Oracle Database 11g?
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Mind that org.hibernate.dialect.OracleDialect is deprecated ( docs.jboss.org/hibernate/core/3.6/javadocs/org/hibernate/…). You should use the Oracle 10g dialect.
– Yonatan
Jan 3 '12 at 12:57
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Getting the parent div of element
...Node:
parentDiv = pDoc.parentNode;
Handy References:
DOM2 Core specification - well-supported by all major browsers
DOM2 HTML specification - bindings between the DOM and HTML
DOM3 Core specification - some updates, not all supported by all major browsers
HTML5 specification - which now has the...
Thread Safety in Python's dictionary
...Python's built-in structures are thread-safe for single operations, but it can sometimes be hard to see where a statement really becomes multiple operations.
Your code should be safe. Keep in mind: a lock here will add almost no overhead, and will give you peace of mind.
http://effbot.org/pyfaq/w...
How can you sort an array without mutating the original array?
... this is really great.i think easier to understand than the concat and other approaches
– sktguha
Aug 31 at 20:02
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How do I use an INSERT statement's OUTPUT clause to get the identity value?
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You can either have the newly inserted ID being output to the SSMS console like this:
INSERT INTO MyTable(Name, Address, PhoneNo)
OUTPUT INSERTED.ID
VALUES ('Yatrix', '1234 Address Stuff', '1112223333')
You can use this also f...