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How to select rows with no matching entry in another table?
I'm doing some maintenance work on a database application and I've discovered that, joy of joys, even though values from one table are being used in the style of foreign keys, there's no foreign key constraints on the tables.
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if/else in a list comprehension
..., 'is', 'a', 'filler', 'test', 'string', None]
d = {None: '', 'filler': 'manipulated'}
res = [d.get(x, x) for x in row]
print(res)
['', 'This', 'is', 'a', 'manipulated', 'test', 'string', '']
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UnicodeDecodeError: 'utf8' codec can't decode byte 0x9c
I have a socket server that is supposed to receive UTF-8 valid characters from clients.
9 Answers
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How can I give eclipse more memory than 512M?
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It's helpful to know the meaning of the options: all -X options after -vmargs are passed directly to the JVM, so run 'java -X' to get documentation. -Xms sets the initial heap, and -Xmx sets the maximum size the heap can grow to. PermSize is the area w...
a href link for entire div in HTML/CSS
Here is what I am trying to accomplish in HTML/CSS:
10 Answers
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HTTP could not register URL http://+:8000/HelloWCF/. Your process does not have access rights to thi
...er and use that. @Bryan's answer below is better.
– Daniel James Bryars
Dec 31 '15 at 12:26
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How to use JUnit to test asynchronous processes
How do you test methods that fire asynchronous processes with JUnit?
17 Answers
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How can I close a buffer without closing the window?
Vim's multilayered views (Windows, Buffers and Tabs) left me a little confused. Let's say I split the display (:sp) and then select a different buffer to display in each window. Now I want to close one of the buffers, yet I don't want the window to close (After the closing it can display the next bu...
How to run Visual Studio post-build events for debug build only
How can I limit my post-build events to running only for one type of build?
10 Answers
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C++ catching all exceptions
...d be considered bad design. You can use c++11's new current_exception mechanism, but if you don't have the ability to use c++11 (legacy code systems requiring a rewrite), then you have no named exception pointer to use to get a message or name. You may want to add separate catch clauses for the v...