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What's the difference between Cache-Control: max-age=0 and no-cache?
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Old question now, but if anyone else comes across this through a search as I did, it appears that IE9 will be making use of this to configure the behaviour of resources when using the back and forward buttons. When max-age=0 is used, the ...
How to check task status in Celery?
...o True, then the state will be STARTED.
The state PENDING means "I don't know."
An AsyncResult with the state PENDING does not mean anything more than that Celery does not know the status of the task. This could be because of any number of reasons.
For one thing, AsyncResult can be constructed wi...
Git mergetool with Meld on Windows
...meld
[mergetool "meld"]
path = C:\\Program Files (x86)\\Meld\\Meld.exe
Now call git difftool in Git Bash for Windows and Meld will open up as your default difftool viewer.
Linux:
UPDATE 20 Sept. 2019:
- I might as well put the Linux version here too for my own reference in one place if nothi...
File path to resource in our war/WEB-INF folder?
...he FAQs that you can read a file from there in a servlet context. I don't know how to form the path to the resource though:
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How do CDI and EJB compare? interact?
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It is currently indeed a bit confusing as there are now multiple component models in Java EE. They are CDI, EJB3 and JSF Managed Beans.
CDI is the new kid on the block. CDI beans feature dependency injection, scoping and an event bus. CDI beans are the most flexible with resp...
Git merge errors
...h:
git checkout master
# Merge the topic branch into master - this should now be a fast-forward
# that leaves you with master exactly as 9-sign-in-out was:
git merge 9-sign-in-out
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Delete a closed pull request from GitHub
...uest and ended up closing the request myself. It's in a closed state right now but it's accessible via direct URL and showing on my activity bar.
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Reading header data in Ruby on Rails
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Rails now attaches HTTP_ to the header as well as converting it to all caps so it would now be:
request.headers["HTTP_CONTENT_TYPE"]
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Modify SVG fill color when being served as Background-Image
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This answer was great as of 2012, but now CSS masks and/or filters have been supported in all browsers for some time. I recommend that anyone reading this now check out the links in widged's answer below or just skip to CSS Masks here, which is a really easy solu...
How can I conditionally require form inputs with AngularJS?
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This feature is documented by now: docs.angularjs.org/api/ng/directive/ngRequired
– bjunix
May 9 '16 at 11:42
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