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How to get active user's UserDetails
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Preamble: Since Spring-Security 3.2 there is a nice annotation @AuthenticationPrincipal described at the end of this answer. This is the best way to go when you use Spring-Security >= 3.2.
When you:
use an older version of Spring-Security,
need to...
List vs tuple, when to use each? [duplicate]
...neous collections, similar to what you'd use arrays for. But I've never quite squared this with the mutability issue mentioned in the other answers. Mutability has teeth to it (you actually can't change a tuple), while homogeneity is not enforced, and so seems to be a much less interesting distinc...
How does RewriteBase work in .htaccess
...n my own words, after reading the docs and experimenting:
You can use RewriteBase to provide a base for your rewrites. Consider this
# invoke rewrite engine
RewriteEngine On
RewriteBase /~new/
# add trailing slash if missing
rewriteRule ^(([a-z0-9\-]+/)*[a-z0-9\-]+)$ $1/ [NC,R=301,L]
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Why is the shovel operator (
...follow
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edited Jan 13 '11 at 22:54
answered Jan 13 '11 at 19:46
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How can I keep Bootstrap popovers alive while being hovered?
...trap popover to create a hover card showing user info, and I am triggering it on mouseover of a button. I want to keep this popover alive while the popover itself is being hovered, but it disappears as soon as the user stops hovering over the button. How can I do this?
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Resetting remote to a certain commit
I want to discard all changes done after commit <commit-hash> .
So I did:
9 Answers
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Regex Pattern to Match, Excluding when… / Except between
--Edit-- The current answers have some useful ideas but I want something more complete that I can 100% understand and reuse; that's why I set a bounty. Also ideas that work everywhere are better for me than not standard syntax like \K
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Prevent dialog dismissal on screen rotation in Android
I am trying to prevent dialogs built with Alert builder from being dismissed when the Activity is restarted.
11 Answers
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Is there a MySQL option/feature to track history of changes to records?
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It's subtle.
If the business requirement is "I want to audit the changes to the data - who did what and when?", you can usually use audit tables (as per the trigger example Keethanjan posted). I'm not a huge fan of triggers,...
Is it feasible to compile Python to machine code?
How feasible would it be to compile Python (possibly via an intermediate C representation) into machine code?
12 Answers
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