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Oracle SQL Query for listing all Schemas in a DB
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Using sqlplus
sqlplus / as sysdba
run:
SELECT *
FROM dba_users
Should you only want the usernames do the following:
SELECT username
FROM dba_users
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Eclipse: All my projects disappeared from Project Explorer
...hat my workspace meta data had become corrupted, probably due to Eclipse being improperly shutdown. The solution, as explained here, is to:
Note, steps 2 & 3 are optional if Eclipse isn't crashing, but just not showing any projects.
Close Eclipse.
cd /home/user/workspace/.metadata/.plugins
mv...
embedding image in html email
I'm trying to send a multipart/related html email with embedded gif images. This email is generated using Oracle PL/SQL. My attempts have failed, with the image showing up as a red X (in Outlook 2007 and yahoo mail)
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Remove a fixed prefix/suffix from a string in Bash
In my bash script I have a string and its prefix/suffix. I need to remove the prefix/suffix from the original string.
9 A...
How do I intercept a method call in C#?
For a given class I would like to have tracing functionality i.e. I would like to log every method call (method signature and actual parameter values) and every method exit (just the method signature).
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Django 1.7 throws django.core.exceptions.AppRegistryNotReady: Models aren't loaded yet
This is the traceback on my windows system.
12 Answers
12
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Reducing Django Memory Usage. Low hanging fruit?
My memory usage increases over time and restarting Django is not kind to users.
10 Answers
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Creating .pem file for APNS?
How do I create a .pem file to be stored in the hosting server for APN payload data?
11 Answers
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Auto reloading python Flask app upon code changes
I'm investigating how to develop a decent web app with Python. Since I don't want some high-order structures to get in my way, my choice fell on the lightweight Flask framework . Time will tell if this was the right choice.
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How to declare variable and use it in the same Oracle SQL script?
I want to write reusable code and need to declare some variables at the beginning and reuse them in the script, such as:
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