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In a django model custom save() method, how should you identify a new object?
... This MAY NOT WORK in some cases. Please check this answer: stackoverflow.com/a/940928/145349
– fjsj
Mar 5 '15 at 16:37
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can we use xpath with BeautifulSoup?
... alternative library, lxml, does support XPath 1.0. It has a BeautifulSoup compatible mode where it'll try and parse broken HTML the way Soup does. However, the default lxml HTML parser does just as good a job of parsing broken HTML, and I believe is faster.
Once you've parsed your document into an...
How to tell if JRE or JDK is installed
I have one computer that I intentionally installed JDK on. I have another computer with JRE, for, among other things, testing. However, when I got a java application working on this computer, and then tried it on another, it complained that JDK was required. How can I check if JDK was somehow instal...
Java GUI frameworks. What to choose? Swing, SWT, AWT, SwingX, JGoodies, JavaFX, Apache Pivot? [close
... Java 1.4 than a UI framework. Without JFace, you're missing many major UI components or very important features of UI components (like filtering on tables).
If SWT is missing a feature that you need, the framework is somewhat hostile to extending it. For example, you can't extend any class in it (...
How to find what code is run by a button or element in Chrome using Developer Tools
... edited May 23 '17 at 12:10
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answered May 7 '14 at 0:25
JesseJesse
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Is there a limit to the length of HTML attributes?
...ributes theoretically have no size limit." That's a lot of reading just to come away with such a simple answer.
– rinogo
Nov 14 '19 at 21:11
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AWS S3: how do I see how much disk space is using
...t size and number of objects that is updated daily. About time! aws.amazon.com/blogs/aws/…
– cudds
Jul 28 '15 at 23:13
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RabbitMQ and relationship between channel and connection
...nto
a Channel are serialized, with only one thread being able to run a
command on the Channel at a time. Even so, applications should prefer
using a Channel per thread instead of sharing the same Channel across
multiple threads.
There is no direct relation between Channel and Queue. A Chan...
JavaScript hide/show element
... needed if you don't want to let JavaScript change the url from yourdomain.com/ to yourdomain.com/# ... furthermore, the scrolling of the window may jump, or any other non considered problem may occur.
– Sascha Galley
Sep 24 '11 at 0:30
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Structs versus classes
...Structs consume less heap memory (because they are smaller and more easily compacted, not because they are "on the stack"). But they take longer to copy than a reference copy. I don't know what your performance metrics are for memory usage or speed; there's a tradeoff here and you're the person who ...