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Most efficient way to concatenate strings?
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The StringBuilder.Append() method is much better than using the + operator. But I've found that, when executing 1000 concatenations or less, String.Join() is even more efficient than StringBuilder.
StringBuilder sb = new StringBuilder();
sb....
What does status=canceled for a resource mean in Chrome Developer Tools?
...he source to find all the places where requests could get cancelled, and slapped breakpoints on all of them to debug. From memory, the only places where Chrome will cancel a request:
The DOM element that caused the request to be made got deleted (i.e. an IMG is being loaded, but before the load ha...
What are the Differences Between “php artisan dump-autoload” and “composer dump-autoload”?
... your project.
autoload_classmap.php also includes the providers in config/app.php
php artisan dump-autoload
It will call Composer with the optimize flag
It will 'recompile' loads of files creating the huge bootstrap/compiled.php
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Converting bool to text in C++
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not work in my app, "isExist: "+boost::lexical_cast<std::string>(isExit)); results isExist: 0
– Scott 混合理论
Jan 23 '14 at 4:01
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In a Django form, how do I make a field readonly (or disabled) so that it cannot be edited?
...ng get_readonly_fields.
Usually you should declare something like this in app/admin.py:
class ItemAdmin(admin.ModelAdmin):
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readonly_fields = ('url',)
I've adapted in this way:
# In the admin.py file
class ItemAdmin(admin.ModelAdmin):
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def get_readonly_fields(self, request...
Merge development branch with master
... won't be any conflicts now)
There isn't much of a difference in the two approaches, but I have noticed sometimes that I don't want to merge the branch into master yet, after merging them, or that there is still more work to be done before these can be merged, so I tend to leave master untouched u...
Pure CSS to make font-size responsive based on dynamic amount of characters
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You might be interested in the calc approach:
font-size: calc(4vw + 4vh + 2vmin);
done. Tweak values till matches your taste.
Source: https://codepen.io/CrocoDillon/pen/fBJxu
share
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C++ new int[0] — will it allocate memory?
A simple test app:
6 Answers
6
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Why are data transfer objects (DTOs) an anti-pattern?
...rue. You can serialize anonymous types to JSON just fine. Try it in an MVC app: return Json(new { Foo = "Hi there! } ); I promise you it works just fine. Better, perhaps, than non-anonymous types, since anonymous types generally have no cycles in their object graphs, which break the JSON serialize...
Objective-C: Property / instance variable in category
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fixed link for Associated Objects: developer.apple.com/library/ios/#documentation/cocoa/Conceptual/…
– MechEthan
Jan 4 '12 at 20:22
5
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