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Hibernate: “Field 'id' doesn't have a default value”
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Django auto_now and auto_now_add
...t using a custom save() method.
So, to make this work properly, I would recommend not using auto_now or auto_now_add and instead define your own save() method to make sure that created is only updated if id is not set (such as when the item is first created), and have it update modified every time...
Trigger a button click with JavaScript on the Enter key in a text box
...rt("Button code executed.");
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
Username:<input id="username" type="text"><br>
Password:&nbsp;<input id="pw" type="password"><br>
<button id="myButton">Submi...
OS X Framework Library not loaded: 'Image not found'
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What is the difference between == and equals() in Java?
...al, the answer to your question is "yes", but...
.equals(...) will only compare what it is written to compare, no more, no less.
If a class does not override the equals method, then it defaults to the equals(Object o) method of the closest parent class that has overridden this method.
If no pare...
Automatic Retina images for web sites
...low-res.jpg" srcset="high-res.jpg 2x">
Browser Support: http://caniuse.com/#search=srcset
Other Resources:
WebKit release post
W3C documentation for srcset
good explanation about why and how to use srcset
Chris Coyer's post for more good info
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Git Push into Production (FTP)
...last updated files. If you're not familiar with DockSend, check out http://www.panic.com/blog/2010/11/15-secrets-of-transmit/.
Setup:
cp git-transit /usr/sbin/.
cd /usr/sbin
chmod +x git-transmit
Setup drop send for your live app
Run git-transmit in your git repository.
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How can I use “sizeof” in a preprocessor macro?
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nevermindnevermind
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Using module 'subprocess' with timeout
Here's the Python code to run an arbitrary command returning its stdout data, or raise an exception on non-zero exit codes:
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Elegant way to invert a map in Scala
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– Daniel C. Sobral
May 2 '19 at 17:01
I agree. Sorry, I've overlooked that.
– dev-null
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