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TransactionManagementError “You can't execute queries until the end of the 'atomic' block” while usi
...lready had a transaction.atomic() block, but I got this error and I had no idea why. I took this answer's advice and put a nested atomic block inside of my atomic block around the trouble-area. After that, it gave a detailed error of the integrity error I hit, allowing me to fix my code and do what ...
Best practices around generating OAuth tokens?
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Excellent, thanks. The version idea is a good one. I've got the URL-friendly Base64 going, but I am wishing I had a strictly alpha-numeric encoding for even easier reading.
– mckamey
Oct 26 '09 at 20:38
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How do I create a crontab through a script
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@Jared While I quite agree with the idea, saying it "is frowned upon" doesn't help much. Rather tell which other file should be edited, if any, or explain the risks of editing files manually. I'm planning to create some cron jobs via automated command line, an...
IntelliJ beginning of file keyboard shortcut
...ow and Command+DownArrow, it'll work like a normal text editor. I have no idea why that isn't the default in Intellij instead of the seemingly pointless "scroll one line" feature.
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difference between primary key and unique key
...ample given by the author may not seem suitable, but try to get an overall idea.
http://tsqltips.blogspot.com/2012/06/difference-between-unique-key-and.html
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D Programming Language in the real world? [closed]
...ly someone else can comment who's in this space, but there too I think the idea is that performance often really matters so you want a compiled-to-the-metal language. Services are often fairly small, self-contained processes, so interop with large amounts of legacy C++ code is not really necessary ...
How to check if a file is a valid image file?
... check, check the filesize to not be zero (or very small), is a very cheap idea:
statfile = os.stat(filename)
filesize = statfile.st_size
if filesize == 0:
#manage here the 'faulty image' case
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How can I set the color of a selected row in DataGrid
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wounderfull. Any idea on how to do the same to foreground color?
– Arsen Zahray
Jun 10 '12 at 9:12
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Is quoting the value of url() really necessary?
... Don't know why this got down-voted; for a high traffic site, ideas like this makes a big difference over the course of a year.
– Joisey Mike
Nov 10 '11 at 21:35
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Does Android keep the .apk files? if so where?
...folder with the name same as package name but '-1' or '-2' at the end, Any idea why ?
– shadygoneinsane
Nov 25 '17 at 15:20
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