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What does -D_XOPEN_SOURCE do/mean?
...ne _XOPEN_SOURCE 600
#define _XOPEN_SOURCE 700
at the top of your source file before doing any #includes if you want to use strdup.
Or you could put
#define _GNU_SOURCE
there instead, which enables all functionality, with the downside that it might not compile on Solaris, FreeBSD, Mac OS X, et...
When and why should I use fragments in Android applications? [duplicate]
...mething? So to use a fragment, do we just have (for example) a main layout file and then use <include fragement code here/> inside that file whereever we want to include a fragment? And maybe if we dont want a fragment to always be there either hide it and show it when needed or inject it when...
When to create a new app (with startapp) in Django?
...ew applications for each logically separate set of models. e.g.:
User Profiles
Forum Posts
Blog posts
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Proper way to handle multiple forms on one page in Django
...'NegotiationAttachment-submit' in self.request.POST else None,
files = self.request.FILES if 'NegotiationAttachment-submit' in self.request.POST else None
)
context['offer_contact_form'] = NegotiationContactForm()
return context
### NegotiationGroupDetail...
How can I recover the return value of a function passed to multiprocessing.Process?
...indows or Jupyter Notebook, with multithreading you have to save this as a file and execute the file. If you do it in a command prompt you will see an error like this:
AttributeError: Can't get attribute 'worker' on <module '__main__' (built-in)>
...
.bashrc at ssh login
... sourced when you log in using SSH. You need to source it in your .bash_profile like this:
if [ -f ~/.bashrc ]; then
. ~/.bashrc
fi
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What is a StoryBoard ID and how can i use this?
... Added another edit showing how to access the storyboard from any file.
– Eric
Dec 13 '12 at 20:20
1
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Multiprocessing: How to use Pool.map on a function defined in a class?
...ork on giant iterables -> it causes a OSError: [Errno 24] Too many open files due to the number of pipes it opens.
– Eiyrioü von Kauyf
Jan 18 '13 at 19:19
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Unfortunately MyApp has stopped. How can I solve this?
...
You can use Google's ADB tool to get Logcat file to analyze the issue.
adb logcat > logcat.txt
open logcat.txt file and search for your application name. There should be information on why it failed, the line number, Class name, etc.
...
Reset the database (purge all), then seed a database
...set which drops and then recreates the database and includes your seeds.rb file.
http://guides.rubyonrails.org/migrations.html#resetting-the-database
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