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Django admin: How to display a field that is marked as editable=False' in the model?
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Use Readonly Fields. Like so (for django >= 1.2):
class MyModelAdmin(admin.ModelAdmin):
readonly_fields=('first',)
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How to iterate for loop in reverse order in swift?
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Apply the reverse function to the range to iterate backwards:
For Swift 1.2 and earlier:
// Print 10 through 1
for i in reverse(1...10) {
println(i)
}
It also works with half-open ranges:
// Print 9 through 1
for i in reverse(1..<10) {
println(i)
}
Note: reverse(1...10) creates ...
EF Code First foreign key without navigation property
...wants to achieve the same thing using Entity Framework Core (I am using V1.1.2).
I don't need navigation properties (although they're nice) because I am practicing DDD and I want Parent and Child to be two separate aggregate roots. I want them to be able to talk to each other via foreign key not th...
javax.faces.application.ViewExpiredException: View could not be restored
...te in the session. So, when the session is expired for some reason (either timed out in server or client side, or the session cookie is not maintained anymore for some reason in browser, or by calling HttpSession#invalidate() in server, or due a server specific bug with session cookies as known in W...
Install go with brew, and running the gotour
...ar.gz
==> Pouring go-1.7.1.sierra.bottle.tar.gz
==> Caveats
As of go 1.2, a valid GOPATH is required to use the `go get` command:
https://golang.org/doc/code.html#GOPATH
You may wish to add the GOROOT-based install location to your PATH:
export PATH=$PATH:/usr/local/opt/go/libexec/bin
==&...
What is the official “preferred” way to install pip and virtualenv systemwide?
...v.egg-link that might point to /usr/lib/python2.x/site-packages/virtualenv-1.2-2.x.egg which may be a directory or zipped egg. Pip does something similar although it doesn't use eggs and instead will place the top level package directly in the lib directory.
I might be off on the paths, but the po...
Why does Java allow us to compile a class with a name different than the file name?
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Nested classes are the Java 1.2 way of doing lambdas or 'First Class Functions when Everything is An Object'. This is changing in 1.8 Syntax. They're also used when we want to model Algebraic Data Types in Java's Type system.
– haw...
Benchmarking (python vs. c++ using BLAS) and (numpy)
...8 Ghz) and/or better architecture.
Original Answer (04.10.2011):
Some time ago I had to optimize some linear algebra calculations/algorithms which were written in python using numpy and BLAS so I benchmarked/tested different numpy/BLAS configurations.
Specifically I tested:
Numpy with ATLA...
Intercepting links from the browser to open my Android app
...ould be noted, however, that this app is getting a little bit out of date (1.2), so you may find there are better ways of achieving this.
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What are Bearer Tokens and token_type in OAuth 2?
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From RFC 6750, Section 1.2:
Bearer Token
A security token with the property that any party in possession of the token (a "bearer") can use the token in any way that any other party in possession of it can. Using a bearer token does not require a b...