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Where to use EJB 3.1 and CDI?
...synchronous method invocation. Starting threads is a no-no in any server-side environment. Having too many threads is a serious performance killer. This annotation allows you to parallelize things you do using the container's thread pool. This is awesome.
Available to @Stateful, @Stateless an...
Why doesn't django's model.save() call full_clean()?
...ul excerpt (IMHO) from the second reference: "Developing an "automatic" validation option which is both simple enough to actually be useful and robust enough to handle all the edge cases is -- if it's even possible -- far more than can be accomplished on the 1.2 timeframe. Hence, for now, Django doe...
How to pass arguments and redirect stdin from a file to program run in gdb?
...
@codehippo: Well, if you didn't specify --args then there aren't any arguments passed to the executable, so it's hardly ambiguous.
– Lightness Races in Orbit
Jul 23 '14 at 14:02
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How exactly does a generator comprehension work?
...type 'generator' has no len()
>>> # We extract each item out individually. We'll do it manually first.
...
>>> next(filtered_gen)
5
>>> next(filtered_gen)
9
>>> next(filtered_gen)
6
>>> next(filtered_gen) # Should be all out of items and give an error
Tr...
Recommended way to save uploaded files in a servlet application
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Store it anywhere in an accessible location except of the IDE's project folder aka the server's deploy folder, for reasons mentioned in the answer to Uploaded image only available after refreshing the page:
Changes in the IDE's project folder does not immediately get reflected in ...
Elevating process privilege programmatically?
... user: if this is undesirable (for example because it would happen in the middle of a lengthy process), you'll need to run your entire host process with elevated permissions by Create and Embed an Application Manifest (UAC) to require the 'highestAvailable' execution level: this will cause the UAC p...
What's the difference between window.location= and window.location.replace()?
... it.
See window.location:
assign(url): Load the document at
the provided URL.
replace(url):Replace the current
document with the one at the provided
URL. The difference from the
assign() method is that after using
replace() the current page will not
be saved in session history,...
How do I prevent angular-ui modal from closing?
... Is there any way to set these dynamically -- say if the popup is in the middle of an operation that shouldn't be interrupted?
– RonLugge
Nov 28 '15 at 1:04
add a comment
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Why does running the Flask dev server run itself twice?
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Ah ok. Thanks for the explanation! So its considered normal behaviour? At least good that nothing's wrong with my code.. :)
– kramer65
Aug 26 '14 at 11:06
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Where is Python's sys.path initialized from?
...ly set sys.path. How it is
set can get really complicated. The following guide is a watered-down,
somewhat-incomplete, somewhat-wrong, but hopefully-useful guide
for the rank-and-file python programmer of what happens when python
figures out what to use as the initial values of sys.path,
sys.executa...