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Why should you use an ORM? [closed]
...D operations. Some ORM frameworks can inspect database metadata directly, read metadata mapping files, or use declarative class properties.
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How to find out which fonts are referenced and which are embedded in a PDF document
...e file that actually seems to have fonts embedded.
Using the normal Adobe Reader (or Foxit if you prefer). Select File->Properties on the resulting Dialog choose the Font tab. You will see a list of fonts. The ones that are embedded will state this fact in ( ) behind the font name.
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What are the rules for calling the superclass constructor?
...
This answer is somewhat confusing even though I have read over it a couple of times and took a look at the linked to question. I think that what it is saying is that if you use an explicit call to a parent class or super class constructor in the body of a derived class, this i...
Elegant solution to duplicate, const and non-const, getters? [duplicate]
...e object itself is non-const, and casting away the const is allowed. After reading this statement many times, I finally understand why this approach is safe and correct.
– Boinst
Aug 14 '12 at 0:43
...
CSS hexadecimal RGBA?
...unks cut out and the source may have been heavily modified by the time you read this (as mentioned above, it's an editor's draft and not a finalised document).If things have heavily changed, please leave a comment letting me know so I can update this answer!
§ 4.2. The RGB hexadecimal notations...
Doctrine and composite unique keys
.... Also note that you can break annotation to several lines to make it more readable especially if you have several items to mention (index in the example below).
use Doctrine\ORM\Mapping as ORM;
/**
* VideoSettings
*
* @ORM\Cache(usage="NONSTRICT_READ_WRITE")
* @ORM\Entity(repositoryClass="App...
Can I have an onclick effect in CSS?
...
This solution is still nice, but when I read "2017 answer" I was expecting something really cool (like a CSS3 feature that finally gained broad browser support), not the grand old checkbox hack that has been around since 2011... Somewhat disappointed.
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How to check if a python module exists without importing it
...m', *spam_info)
imp.find_module('eggs', spam.__path__) # __path__ is already a list
found = True
except ImportError:
found = False
You can also use pkgutil.find_loader (more or less the same as the python3 part
import pkgutil
eggs_loader = pkgutil.find_loader('eggs')
found = eggs_loader...
Indentation in Go: tabs or spaces?
...e with
go fmt
or using the gofmt command directly
gofmt -w .
You can read more about it here on the golang.org blog, or from the Effective go document:
Indentation
We use tabs for indentation and gofmt emits them by default. Use spaces only if you must.
...
Difference between System.DateTime.Now and System.DateTime.Today
... can tell what I meant.
I wrote a blog post on this very subject. Please read - The Case Against DateTime.Now.
Also, there are some places in this world (such as Brazil) where the "spring-forward" transition happens exactly at Midnight. The clocks go from 23:59 to 01:00. This means that the val...