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How to track down a “double free or corruption” error
When I run my (C++) program it crashes with this error.
8 Answers
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Does a foreign key automatically create an index?
... @vsingh: that's exactly what the article tries to convey - it's a common misconception that a FK automatically creates an index - it does not do that.
– marc_s
Dec 9 '11 at 17:12
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Dictionary vs Object - which is more efficient and why?
What is more efficient in Python in terms of memory usage and CPU consumption - Dictionary or Object?
8 Answers
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Merge two Git repositories without breaking file history
...ories? ) and following those instructions mostly works, except that when I commit the subtree merge all of the files from the old repositories are recorded as new added files. I can see the commit history from the old repositories when I do git log , but if I do git log <file> it shows onl...
sed in-place flag that works both on Mac (BSD) and Linux
Is there an invocation of sed todo in-place editing without backups that works both on Linux and Mac? While the BSD sed shipped with OS X seems to need sed -i '' … , the GNU sed Linux distributions usually come with interprets the quotes as empty input file name (instead of the backup exten...
Need to list all triggers in SQL Server database with table name and table's schema
I need to list all triggers in SQL Server database with table name and table's schema.
19 Answers
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Where is the WPF Numeric UpDown control?
...dd to your XAML the following namespace:
xmlns:xctk="http://schemas.xceed.com/wpf/xaml/toolkit"
In your XAML where you want the control use:
<xctk:IntegerUpDown Name="myUpDownControl" />
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What happens to a declared, uninitialized variable in C? Does it have a value?
...in undefined behavior.
void foo() {
int x;
printf("%d", x); // the compiler is free to crash here
}
In practice, they tend to just have some nonsensical value in there initially - some compilers may even put in specific, fixed values to make it obvious when looking in a debugger - but stric...
Convert a series of parent-child relationships into a hierarchical tree?
I have a bunch of name-parentname pairs, that I'd like to turn into as few heirarchical tree structures as possible. So for example, these could be the pairings:
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Add a properties file to IntelliJ's classpath
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Check the Resource patterns in the Compiler settings. Check that "?*.properties" is in there. It's there by default, but that's the only other thing I can think of off the top of my head.
– ColinD
Sep 22 '10 at 4:02
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