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Is there shorthand for returning a default value if None in Python? [duplicate]
In C#, I can say x ?? "" , which will give me x if x is not null, and the empty string if x is null. I've found it useful for working with databases.
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How to change the background color of the options menu?
...arate item background, for example it will add borders to each item if you set such background (with borders)...
– user25
May 3 '18 at 19:53
1
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SQLite: How do I save the result of a query as a CSV file?
I'm new to SQLite. Is there a way I can export the results of a query into a CSV file?
6 Answers
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Bootstrap select dropdown list placeholder
I am trying to make a dropdown list that contains a placeholder. It doesn't seem to support placeholder="stuff" as other forms do. Is there a different way to obtain a placeholder in my dropdown?
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Swift to Objective-C header not created in Xcode 6
...a Product Module Name that does not include spaces.
Defines Module must be set to Yes in Build Settings, under Packaging.
Finally works. Thanks to everyone for the help :-)
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How can I detect the touch event of an UIImageView?
... how can I do that programmatically? Also, could you let me know how can I set the button property to "custom" programmatically?
– ebaccount
May 13 '09 at 20:52
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How do I get the current date and time in PHP?
...e would go by your server time. An easy workaround for this is to manually set the timezone by using date_default_timezone_set before the date() or time() functions are called to.
I'm in Melbourne, Australia so I have something like this:
date_default_timezone_set('Australia/Melbourne');
Or anot...
How to generate serial version UID in Intellij
...t: (Idea v.2016, 2017 and 2018, previous versions may have same or similar settings)
File -> Settings -> Editor -> Inspections -> Java -> Serialization issues -> Serializable class without 'serialVersionUID' - set flag and click 'OK'.
(For Macs, Settings is under IntelliJ ID...
Entity Framework DateTime and UTC
... if (dt == null)
continue;
property.SetValue(entity, DateTime.SpecifyKind(dt.Value, attr.Kind));
}
}
}
Now hook that attribute up to your EF context:
public class MyContext : DbContext
{
public DbSet<Foo> Foos { get; set; }
public ...