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What is mattr_accessor in a Rails module?
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In latest version of Rails cattr_* are now aliases for mattr_*. See the cattr_accessor source
– ouranos
Apr 13 '16 at 2:03
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What is object serialization?
... are saying the format depends on platform and libraries.I really want to know the format.
– JAVA
Aug 31 '14 at 19:52
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Why can't stash be applied to the working directory?
...work normally in git using the normal branch-related techniques/tools you know and love. This is actually a useful general technique for working with stashes even when you don't have the listed error. It works well because a stash really is a commit under the covers (see PS).
Converting a stash to ...
Flask-SQLalchemy update a row's information
...esd_at = db.Column(db.DateTime) I just run obj.used_at = datetime.datetime.now() db.session.commit() But not value set to the field.
– Rukeith
Oct 30 '18 at 3:51
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Multiple contexts with the same path error running web service in Eclipse using Tomcat
...ete them and run your application in the appropriate server that will work now.
in my case i have found duplicate Context tag :
<Context docBase="my-project" path="/my-project" reloadable="true" source="org.eclipse.jst.jee.server:my-project"/&gt;&lt;Context docBase="my-project" path="/...
Color in git-log
... Shahar (upvoted), git 1.8.3 offers one more option:
git log –format now sports a %C(auto) token that tells Git to use color when resolving %d (decoration), %h (short commit object name), etc. for terminal output.
This Atlassian blog post comments that this feature is part of several others ...
How to specify JVM maximum heap size “-Xmx” for running an application with “run” action in SBT?
...data arrays processing and needs more memory than JVM gives by default. I know in Java it's specified by "-Xmx" option. How do I set SBT up to use particular "-Xmx" value to run an application with "run" action?
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What is the difference between a schema and a table and a database?
...grant rights on the schema.
In 2000 a schema was equivalent to a user. Now it has broken free and is quite useful. You could throw all your user procs in a certain schema and your admin procs in another. Grant EXECUTE to the appropriate user/role and you're through with granting EXECUTE on spec...
What exactly does the post method do?
...he question, this is more like a generic answer for beginners who doesn't know anything about the ui-thread and multi threading. This doesn't explains why throwing the animation ahead in the queue makes the animation work; an animation is supposed to be something to execute directly in the ui-thread...
How to perform a mysqldump without a password prompt?
I would like to know the command to perform a mysqldump of a database without the prompt for the password.
13 Answers
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