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How do I put an 'if clause' in an SQL string?
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432
For your specific query, you can do:
UPDATE purchaseOrder
SET purchaseOrder_status = 'COMPL...
How dangerous is it to compare floating point values?
... you can see this is adding x = 0x1fffffe and y = 1 as floats. Here, x has 24 bits of precision in the mantissa (ok) and y has just 1 bit, but when you add them, their bits are not in overlapping places, and the result would need 25 bits of precision. Instead, it gets rounded (to 0x2000000 in the de...
Give all the permissions to a user on a DB
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284
The user needs access to the database, obviously:
GRANT CONNECT ON DATABASE my_db TO my_user;...
In Django - Model Inheritance - Does it allow you to override a parent model's attribute?
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class AbstractPlace(models.Model):
name = models.CharField(max_length=20)
rating = models.DecimalField()
class Meta:
abstract = True
class Place(AbstractPlace):
pass
class LongNamedRestaurant(AbstractPlace):
name = models.CharField(max_length=255)
food_type = mode...
Can constructors be async?
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221
Constructor acts very similarly to a method returning the constructed type. And async method c...
CSS: Set a background color which is 50% of the width of the window
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287
Older Browser Support
If older browser support is a must, so you can't go with multiple backg...
How to configure git push to automatically set upstream without -u?
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62
You can configure it with git config using git config --global push.default current.
Docs: http...
In a git merge conflict, what are the BACKUP, BASE, LOCAL, and REMOTE files that are generated?
... Edward ThomsonEdward Thomson
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PHP String to Float
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205
$rootbeer = (float) $InvoicedUnits;
Should do it for you. Check out Type-Juggling. You shoul...