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Error: Could not find or load main class in intelliJ IDE
... just close your intelliJ IDE and remove intelliJ IDE file and folder from root of project:
rm -rf .idea *.iml
Then open project with intelliJ. It must work now.
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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
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If you run Django with Apache and MySQL, restart apache after making migration with makemigrations.
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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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Rails detect if request was AJAX
...ad resource(s)
end
private
def require_xhr_request
redirect_to(root_url) unless request.xhr?
end
end
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How to drop a table if it exists?
...MS servers provide, at least, basic INFORMATION_SCHEMA support, including: MySQL, Postgres, Oracle, IBM DB2, and Microsoft SQL Server 7.0 (and greater).
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How to pass arguments to addEventListener listener function?
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You can just bind all necessary arguments with 'bind':
root.addEventListener('click', myPrettyHandler.bind(null, event, arg1, ... ));
In this way you'll always get the event, arg1, and other stuff passed to myPrettyHandler.
http://passy.svbtle.com/partial-application-in-javasc...
Hook up Raspberry Pi via Ethernet to laptop without router? [closed]
...fork to /home/pi/.vnc/xstartup
#!/bin/sh
xrdb $HOME/.Xresources xsetroot -solid grey
autocutsel -fork
#x-terminal-emulator -geometry 80x24+10+10 -ls -title "$VNCDESKTOP Desktop" &
#x-window-manager &
# Fix to make GNOME work
export XKL_XMODMAP_DISABLE=1
/etc/X11/Xsession
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How can you check which options vim was compiled with?
...- Vi IMproved 7.3 (2010 Aug 15, compiled Jun 20 2012 13:16:02)
Compiled by root@apple.com
Normal version without GUI. Features included (+) or not (-):
-arabic +autocmd -balloon_eval -browse +builtin_terms +byte_offset +cindent
-clientserver -clipboard +cmdline_compl +cmdline_hist +cmdline_info +c...
Converting Epoch time into the datetime
...-%m-%d %H:%M:%S", time.gmtime(1347517119))
'2012-09-12 23:18:39'
Also in MySQL, you can FROM_UNIXTIME like:
INSERT INTO tblname VALUES (FROM_UNIXTIME(1347517119))
For your 2nd question, it is probably because getbbb_class.end_time is a string. You can convert it to numeric like: float(getbbb_c...