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How do I enable EF migrations for multiple contexts to separate databases?
...les in the Migrations folder
In SSMS, delete the __MigrationHistory system table.
Creating the initial migration:
In Package Manager Console:
Enable-Migrations -EnableAutomaticMigrations -ContextTypeName
NamespaceOfContext.ContextA -ProjectName ProjectContextIsInIfNotMainOne
-StartupProjectName...
Vertically align an image inside a div with responsive height
...
Try this one
.responsive-container{
display:table;
}
.img-container{
display:table-cell;
vertical-align: middle;
}
share
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improve this ans...
How does this CSS produce a circle?
...v id="box">
<div id="innerBox"></div>
</div>
<table id="chooser">
<tr>
<td><label for="total">Total</label></td>
<td><input id="total" value="0" type="range" min="0" max="100" step="1" /></td>
<t...
multiprocessing: How do I share a dict among multiple processes?
...re my own work that is faster than Manager's dict and is simpler and more stable than pyshmht library that uses tons of memory and doesn't work for Mac OS. Though my dict only works for plain strings and is immutable currently.
I use linear probing implementation and store keys and values pairs in a...
What is a 'thunk'?
...ayed
computation (similar to a closure)
a feature of some virtual function
table implementations (similar to a
wrapper function)
a mapping of machine data from one
system-specific form to another,
usually for compatibility reasons
I have usually seen it used in the third context.
http://en.wikipe...
Overloading Macro on Number of Arguments
...t << "i = " << i << endl;
return 0;
}
Run:
User@Table 13:06:16 /c/T
$ g++ test_overloaded_macros.cpp
User@Table 13:16:26 /c/T
$ ./a.exe
counter = 3
counter = 4
abc = 0
abc = 1
abc = 2
abc = 3
i = 0
i = 1
i = 2
i = 100
i = 101
i = 102
Note that having both _OVR and _OVR...
Rails: How can I set default values in ActiveRecord?
...is. Which is really odd and unfortunate. A sensible preferred method for establishing model attribute defaults upon creation seems like something Rails should already have built in. The only other (reliable) way, overriding initialize, just seems really convoluted for something that should be clear ...
Width equal to content [duplicate]
...elements with "clearfix" div.
Another elegant solution is to use display: table for elements.
With this solution you don't need to insert line breaks manually (like with inline-block), you don't need a wrapper around your elements (like with floats) and you can center your element if you need.
ht...
Order data frame rows according to vector with specific order
...
Does anyone know a data.table version of this?
– Reilstein
Sep 23 '16 at 17:50
2
...
What are good examples of genetic algorithms/genetic programming solutions? [closed]
...Joel: of course it did, but that's not why I think it would have been profitable. It would have made money because of the heavy bias towards buying instead of selling. A system that just bought S&P500 futures at random times between 1995 and 1999 (without any kind of GA nonsense going on) would ...