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How to reset a single table in rails?
...ipes all data and resets the autoincrement counters in the table. Works in MySQL and Postgres, does not work in Sqlite.
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tomcat - CATALINA_BASE and CATALINA_HOME variables
... is a pretty good description of this setup in the RUNNING.txt file in the root of the Apache Tomcat distribution under the heading Advanced Configuration - Multiple Tomcat Instances
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PostgreSQL query to list all table names?
...hema.tables
WHERE table_type='BASE TABLE'
AND table_schema='public';
For MySQL you would need table_schema='dbName' and for MSSQL remove that condition.
Notice that "only those tables and views are shown that the current user has access to". Also, if you have access to many databases and want to ...
Sending HTTP POST Request In Java
...g,String> arguments = new HashMap<>();
arguments.put("username", "root");
arguments.put("password", "sjh76HSn!"); // This is a fake password obviously
StringJoiner sj = new StringJoiner("&");
for(Map.Entry<String,String> entry : arguments.entrySet())
sj.add(URLEncoder.encode(e...
How do I copy an entire directory of files into an existing directory using Python?
...andard copytree:
it doesn't honor symlinks and ignore parameters for the root directory of the src tree;
it doesn't raise shutil.Error for errors at the root level of src;
in case of errors during copying of a subtree, it will raise shutil.Error for that subtree instead of trying to copy other sub...
How to extract a git subdirectory and make a submodule out of it?
...nstall
Usage
Split a larger into smaller chunks:
# Go into the project root
cd ~/my-project
# Create a branch which only contains commits for the children of 'foo'
git subtree split --prefix=foo --branch=foo-only
# Remove 'foo' from the project
git rm -rf ./foo
# Create a git repo for 'foo' (...
How to permanently set $PATH on Linux/Unix? [closed]
...n:/bin:/usr/games:/usr/local/games"
So you can just open up this file as root and add whatever you want.
For Immediate results,
Run (try as normal user and root):
source /etc/environment && export PATH
UPDATE:
If you use zsh (a.k.a Z Shell), add this line right after the comments in /...
How to fix Error: “Could not find schema information for the attribute/element” by creating schema
...
That should cause those messages to disappear.
I saved my web.xsd in the root of my web folder (which might not be the best place for it, but just for demonstration purposes) and my Schemas property looks like this:
"C:\Program Files (x86)\Microsoft
Visual Studio
10.0\xml\Schemas\DotNetCon...
How do I get list of all tables in a database using TSQL?
...ES
WHERE TABLE_TYPE = 'BASE TABLE'
AND TABLE_CATALOG='dbName' --(for MySql, use: TABLE_SCHEMA='dbName' )
PS: For SQL Server 2000:
SELECT * FROM sysobjects WHERE xtype='U'
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django syncdb and an updated model
...
If you run Django with Apache and MySQL, restart apache after making migration with makemigrations.
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