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How to define two fields “unique” as couple
... constraints features UniqueConstraint is preferred over unique_together.
From the Django documentation for unique_together:
Use UniqueConstraint with the constraints option instead.
UniqueConstraint provides more functionality than unique_together.
unique_together may be deprecated in the ...
How can I calculate the time between 2 Dates in typescript
...
@KenLyon From MDN getTime documentation: You can use this method to help assign a date and time to another Date object. This method is functionally equivalent to the valueOf() method.
– PhoneixS
...
Example for boost shared_mutex (multiple reads/one write)?
...there is now a window of opportunity for other writers to change the state from when you first read.
– mmocny
Mar 4 '11 at 21:30
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How to write very long string that conforms with PEP8 and prevent E501
...w people to be able to come in and be comfortable with the code formatting from day one.
– retracile
Dec 9 '09 at 15:34
1
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Merging two images in C#/.NET
...n over a frame of a video:
Image playbutton;
try
{
playbutton = Image.FromFile(/*somekindofpath*/);
}
catch (Exception ex)
{
return;
}
Image frame;
try
{
frame = Image.FromFile(/*somekindofpath*/);
}
catch (Exception ex)
{
return;
}
using (frame)
{
using (var bitmap = new Bitm...
How to design RESTful search/filtering? [closed]
...: "123456789"
},
"order": { ... },
...
}
You are creating a search from the user's standpoint. The implementation details of this are irrelevant. Some RESTful APIs may not even need persistence. That is an implementation detail.
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Logging errors in ASP.NET MVC
...xceptions. The way I'm doing this is by having all my controllers inherit from a BaseController class. In the BaseController's OnActionExecuting event, I log any exceptions that may have occurred:
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'Specified condition “$(PackageAsSingleFile)” evaluates to “” instead of a boolean?
...to debug a program in VS2013 (Update 2), then cancelled with Ctrl + Break. From that point, I started getting this error whenever I attempted to build, publish or debug the project again. Restarting VS2013 resolved it.
– Xaniff
May 24 '14 at 19:33
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Debug a java application without starting the JVM with debug arguments
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It seems SADebugServerAttachingConnector was removed from jdb as well, and I think the replacement is supposed to be jhsdb hsdb / jhsdb clhsdb. I can't find any docs on what arguments to give to jhsdb clhsdb.
– Delthas
May 1 at 4:20
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Function that creates a timestamp in c#
I was wondering, is there a way to create a timestamp in c# from a datetime?
I need a millisecond precision value that also works in Compact Framework(saying that since DateTime.ToBinary() does not exist in CF).
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