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What is the reason for performing a double fork when creating a daemon?
... I've scratched around google and found plenty of resources declaring that one is necessary, but not why.
9 Answers
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How can I find the length of a number?
...oString().length;
This process will also work forFloat Number and for Exponential number also.
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C state-machine design [closed]
I am crafting a small project in mixed C and C++. I am building one small-ish state-machine at the heart of one of my worker thread.
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How to normalize a NumPy array to within a certain range?
...ized within a range before it can be written back to a file. This can be done like so:
7 Answers
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How can I inject a property value into a Spring Bean which was configured using annotations?
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systemProperties is an implicit object and strategyBean is a bean name.
One more example, which works when you want to grab a property from a Properties object. It also shows that you can apply @Value to fields:
@Value("#{myProperties['github.oauth.clientId']}")
private String githubOauthClientI...
Xcode 4: create IPA file instead of .xcarchive
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Creating an IPA is done along the same way as creating an .xcarchive: Product -> Archive. After the Archive operation completes, go to the Organizer, select your archive, select Share and in the "Select the content and options for sharing:" p...
Ternary Operator Similar To ?:
...having a temporary val for a following if-statement: Do it intelligible in one line, just like one have it in mind.
– Peter Schmitz
Feb 9 '11 at 22:48
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What are the main uses of yield(), and how does it differ from join() and interrupt()?
...riorities of other
threads, the yielding thread can be scheduled back in one interrupt
period later. (See the section on thread scheduling for more
information on timeslices.)
Linux
Under Linux, Hotspot simply calls sched_yield(). The consequences of
this call are a little differen...
Is XSLT worth it? [closed]
... be there and didn't give themselves time to write.
Functional language.
One way to get procedural behaviour, by the way, is to chain multiple transforms together. After each step you have a brand new DOM to work on which reflects the changes in that step. Some XSL processors have extensions to ef...
pull/push from multiple remote locations
...rge into HEAD, do:
git remote update
If it's not currently connected to one of the remotes, it will take time out or throw an error, and go on to the next. You'll have to manually merge from the fetched repositories, or cherry-pick, depending on how you want to organize collecting changes.
To fe...