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How to generate a core dump in Linux on a segmentation fault?
...pends on what shell you are using. If you are using bash, then the ulimit command controls several settings relating to program execution, such as whether you should dump core. If you type
ulimit -c unlimited
then that will tell bash that its programs can dump cores of any size. You can specif...
What is the difference between instanceof and Class.isAssignableFrom(…)?
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When using instanceof, you need to know the class of B at compile time. When using isAssignableFrom() it can be dynamic and change during runtime.
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String representation of an Enum
...n imagine that causing some interesting problems if people start trying to compare AuthenticationMethods. You probably need to overload various equality operators too.
– Ant
Feb 25 '10 at 9:18
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Is it possible to “decompile” a Windows .exe? Or at least view the Assembly?
... see what it does without infecting myself. I know that you can't really decompile an .exe, but can I at least view it in Assembly or attach a debugger?
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Random row from Linq to Sql
...ata context:
partial class MyDataContext {
[Function(Name="NEWID", IsComposable=true)]
public Guid Random()
{ // to prove not used by our C# code...
throw new NotImplementedException();
}
}
Then just order by ctx.Random(); this will do a random ordering at the SQL...
Java8 Lambdas vs Anonymous classes
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How do I use pagination with Django class based generic ListViews?
...sses in new tabs, and CTRL+F away the key word. so from docs.djangoproject.com/en/dev/ref/class-based-views/…, which we know exists from the basic tutorial, open all Ancestors links and search for "pagi"
– Ciro Santilli 郝海东冠状病六四事件法轮功
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How do I get a class instance of generic type T?
...to find the generic type at runtime. It turns out type erasure is far more complex than a blanket erasure. My answer shows you how to get the classes generic type.
– Ben Thurley
Nov 22 '12 at 10:58
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How to print the ld(linker) search path
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You can do this by executing the following command:
ld --verbose | grep SEARCH_DIR | tr -s ' ;' \\012
gcc passes a few extra -L paths to the linker, which you can list with the following command:
gcc -print-search-dirs | sed '/^lib/b 1;d;:1;s,/[^/.][^/]*/\.\./,/,;...
Git: How to remove file from index without deleting files from any repository
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I do not think a Git commit can record an intention like “stop tracking this file, but do not delete it”.
Enacting such an intention will require intervention outside Git in any repositories that merge (or rebase onto) a commit that deletes ...