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Check if OneToOneField is None in Django
...s or not, you can use the hasattr function:
if hasattr(request.user, 'type1profile'):
# do something
elif hasattr(request.user, 'type2profile'):
# do something else
else:
# do something else
share
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Hash function that produces short hashes?
...a way of encryption that can take a string of any length and produce a sub-10-character hash? I want to produce reasonably unique ID's but based on message contents, rather than randomly.
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Incompatible implicit declaration of built-in function ‘malloc’
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answered Aug 13 '11 at 13:50
cnicutarcnicutar
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Export specific rows from a PostgreSQL table as INSERT SQL script
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291
Create a table with the set you want to export and then use the command line utility pg_dump to ...
Ruby class types and case statements
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edited May 26 '19 at 6:55
Rambatino
3,37911 gold badge2323 silver badges4444 bronze badges
an...
gem install: Failed to build gem native extension (can't find header files)
I am using Fedora 14 and I have MySQL and MySQL server 5.1.42 installed and running.
Now I tried to do this as root user:
1...
ActionBar text color
...ou can also tweak the subtitle.
Here is my styles.xml:
<?xml version="1.0" encoding="utf-8"?>
<resources>
<style name="MyTheme" parent="@android:style/Theme.Holo.Light">
<item name="android:actionBarStyle">@style/MyTheme.ActionBarStyle</item>
</style>
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Determine if an object property is ko.observable
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158
Knockout includes a function called ko.isObservable(). You can call it like ko.isObservable(...