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What is the difference between OpenID and SAML?
...ed and in 2014, OpenID Connect (a more detailed timeline here).
To anyone reading this nowadays - OpenID Connect is not the same OpenID the original answer refers to, rather it's a set of extensions to OAuth2.0.
While this answer can shed some light from the conceptual viewpoint, a very concise ve...
How can I dynamically create a selector at runtime with Objective-C?
... Well, I still had the links flying around in my bookmarks since I've read through the Objective-C 2.0 docs a couple of days ago.
– Torsten Marek
Sep 22 '08 at 1:42
add a...
Best practice for Python assert
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@VajkHermecz: Actually, if you reread the question, this is two questions in one. People only looking at the title are only familiar with the first question, which this answer doesn't answer. This answer actually contains an answer to the second question.
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How do you sort a list in Jinja2?
... can use dictsort, which does accept a key specification for the sorting. Read this: http://jinja.pocoo.org/2/documentation/templates#dictsort for an example.
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Interview question: Check if one string is a rotation of other string [closed]
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@Jon - I read Beau's comment as being a joke
– oxbow_lakes
Mar 31 '10 at 15:04
37
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Git search for string in a single file's history
...ch all of git history for string)
git rev-list --all foo.rb | (
while read revision; do
git grep -F 'bar' $revision foo.rb
done
)
It will actually look for file content and not commit messages/patches for any occurence of bar.
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NOT IN vs NOT EXISTS
...anti semi join as below.
The effect of this is shown in the blog post already linked by Buckley. In the example there the number of logical reads increase from around 400 to 500,000.
Additionally the fact that a single NULL can reduce the row count to zero makes cardinality estimation very diffi...
Does Notepad++ show all hidden characters?
...nly turns on or off things like tabs, spaces, EOL, etc. So if you want to read some obscure coding with text in it - you actually need to look elsewhere. I also looked at changing the coding, ASCII is not listed, and that would not make the mess invisible anyway.
...
Test a weekly cron job [closed]
..." to attach and watch it run. If the command is a script, you can put a "read" command at the top to make it stop and wait for the screen attachment to complete (hit enter after attaching)
If your command is a bash script, you can do this instead:
* * * * * crontest --bashdb /command/to/be/teste...
Ruby on Rails Callback, what is difference between :before_save and :before_create?
...er_create
after_save
Update operations have exactly the same set, except read update instead of create everywhere (and UPDATE instead of INSERT).
From this, you can see that validation is carried out before the before_save and before_create callbacks.
The before_save occurs slightly before the ...