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How can I use UUIDs in SQLAlchemy?
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If you are happy with a 'String' column having UUID value, here goes a simple solution:
def generate_uuid():
return str(uuid.uuid4())
class MyTable(Base):
__tablename__ = 'my_table'
uuid = Column(String, name="uuid", pri...
Generating a random & unique 8 character string using MySQL
...tions
if the seed is an INT32
So we use @AndreyVolk's or @GordonLinoff's approach, but with a seeded RAND:
e.g. Assumin id is an AUTO_INCREMENT column:
INSERT INTO vehicles VALUES (blah); -- leaving out the number plate
SELECT @lid:=LAST_INSERT_ID();
UPDATE vehicles SET numberplate=concat(
su...
Re-enabling window.alert in Chrome
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For our application there are over 150 confirm windows that rely on the synchronous native confirms. We are planning on changing it, but that would result in us spending two weeks to go through each one of these cases. Plus testing,...
What is the ellipsis (…) for in this method signature?
In the App Engine docs , what is the ellipsis ( JID... ) for in this method signature?
5 Answers
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libpng warning: iCCP: known incorrect sRGB profile
... to load a PNG image using SDL but the program doesn't work and this error appears in the console
13 Answers
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What are the differences between a UIView and a CALayer?
...ed before Core Animation existed, UIViews are intended to be lightweight wrappers around these CALayers.
As I describe in the similar question "When to use CALayer on the Mac/iPhone?", working directly with CALayers doesn't give you significant performance advantages over UIViews. One of the reaso...
How to change the color of an svg element?
...tionally display or not a fallback image. You can then inline your SVG and apply the styles you need.
See :
#time-3-icon {
fill: green;
}
.my-svg-alternate {
display: none;
}
.no-svg .my-svg-alternate {
display: block;
width: 100px;
height: 100px;
background-image: url...
Setting Corner Radius on UIImageView not working
...e layer property of UIView to round the corners of multiple elements in my app. However, this one UIImageView is simply not complying. Not sure what I am missing.
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Ruby : How to write a gem? [closed]
... best resources for writing your own gem.
If you're using Bundler in your app, you might want to look at Ryan Bigg's guide to Developing a RubyGem using Bundler and the Railscast on creating gems with Bundler.
If you're interested in tools to help you write gems:
Jeweler - Opinionated tool for c...
How does “do something OR DIE()” work in PHP?
I'm writing a php app to access a MySQL database, and on a tutorial, it says something of the form
4 Answers
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