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django test app error - Got an error creating the test database: permission denied to create databas
...RIVILEGES ON myproject_test.* TO 'chandan'@'localhost';
Now you can run python manage.py test polls.
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NameError: name 'self' is not defined
...k fine), the above actually works as a workaround. It's still awkward that python chose to make self unavailable in a parameter list.
– shevy
Jan 2 '18 at 11:30
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Making heatmap from pandas DataFrame
I have a dataframe generated from Python's Pandas package. How can I generate heatmap using DataFrame from pandas package.
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How to remove jar file from local maven repository which was added with install:install-file?
...and it causes issues because on our project we have to modify the settings.xml file.
– Tiris
Jan 29 '15 at 17:42
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How to overcome “datetime.datetime not JSON serializable”?
...elds were represented as:
{"$date": 1506816000000}
If you want a generic Python solution for serializing datetime to json, check out @jjmontes' answer for a quick solution which requires no dependencies.
As you are using mongoengine (per comments) and pymongo is a dependency, pymongo has built-...
How to create an installer for a .net Windows Service using Visual Studio
...article to understand how to create a merge module using Windows Installer XML that can express the service and then consume that merge module in your VDPROJ solution.
Augmenting InstallShield using Windows Installer XML - Windows Services
IsWiX Windows Service Tutorial
IsWiX Windows Service Vid...
Would you, at present date, use JBoss or Glassfish (or another) as Java EE server for a new project?
...upgrade to the next patch release only to run into new problem parsing web.xml. It took a 48hr shift to work through all that.
At the moment though I am using JBoss. About 3 months ago I was about to embark on my new project with Tomcat and Jetspeed 2, But I noticed that Jetspeed 2 seems a bit stag...
Java Programming - Where should SQL statements be stored? [closed]
...as static final constants) is the first step.
Stored in a file (properties/xml file) is the next step.
Metadata driven (as done by an ORM like Hibernate/JPA) is the last step.
Hardcoded has the disadvantage that your code is likely to become DB-specific and that you need to rewrite/rebuild/redistri...
Using a strategy pattern and a command pattern
...ries is algorithm. For example, one strategy object knows how to output to XML file, while the other outputs to, say, JSON. Different algorithms are kept (encapsulated) in different classes. It is as simple as that.
In case of command, what varies is the request itself. Request may come from File M...
How do I check if there are duplicates in a flat list?
...en check its length. Its advantage is that it's letting the C code inside Python do the heavy lifting. Your solution loops in Python code, but has the advantage of short-circuiting when a single match has been found. If the odds are that the list probably has no duplicates, I like Denis Otkidach'...