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How do you manually execute SQL commands in Ruby On Rails using NuoDB
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@bonafernando, Your database might start throwing "Too many connections" errors if you have code that uses ActiveRecord::Base.connection without calling ActiveRecord::Base.clear_active_connections!. See api.rubyonrails.org/v5.2/classes/ActiveRecord/…
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When to create a new app (with startapp) in Django?
...posite advice and says in their case they migrated to one single app after starting with many separate apps. They ran into problems with the migration dependency graph between apps.
Both sources agree that you should create a separate app in the following situations:
If you plan to reuse your ap...
What character to use to put an item at the end of an alphabetic list?
...said it shouldn't be done, and gave the same sort of inelegant answer they started with in the question.
– Jared Thirsk
Sep 10 '17 at 19:53
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What is Prefix.pch file in Xcode?
...different from precompiling.
A prefix header is implicitly included at the start of every source file. It’s like each source file adds
#import "Prefix.pch"
at the top of the file, before anything else.
Removing it.
You can remove the precompiled header. This question has been already answered in ...
Splitting templated C++ classes into .hpp/.cpp files--is it possible?
...tation of the template declarations in the corresponding hpp. So this post starts with a good premise - separating declarations and definitions to 2 different files, which can be easier to grok/grep or sometimes is required due to circular dependencies IME - but then ends badly by suggesting that th...
iOS 7 style Blur view
... and so if you increase the multiplier for the blur past that point you'll start to see artifacts from skipping pixels. This is done for performance reasons, but you could modify the vertex and fragment shaders to sample a larger number of pixels. That, or try to apply a CIGaussianBlur, which has a ...
Invalid postback or callback argument. Event validation is enabled using '
...t;/div>
</div>
</body>
Be aware that recently ASP.NET has started considering iframes within a form tag which contains a form tag in the iframe document itself a nested frame. I had to move the iframe out of the form tag to avoid this error.
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How do I get the current time zone of MySQL?
...changes it will still report the one which was "remembered" at the time of starting the server, see mysql bug 9518
– Mark
May 27 '13 at 11:54
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Could not calculate build plan: Plugin org.apache.maven.plugins:maven-resources-plugin:2.5 or one of
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Same was for me. But I started mvn with debug option and I noticed that a pom file in the local repository was corrupted. Deleting that file and running again mvn resulted in that file being downloaded again and everything worked.
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How do I determine the size of my array in C?
...an array value that has decayed to a pointer: even though it points to the start of an array, to the compiler it is the same as a pointer to a single element of that array. A pointer does not "remember" anything else about the array that was used to initialize it.
int a[10];
int* p = a;
assert(siz...