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Differences in boolean operators: & vs && and | vs ||
...ogical" operation is performed.
If both operands mismatch, a compile time error is thrown.
The double operators &&, || behave similarly to their single counterparts, but both operands must be conditional expressions, for example:
if (( a < 0 ) && ( b < 0 )) { ... } or simila...
What does && mean in void *p = &&abc;
... printf("startp=%p\n", startp);
return 0;
}
In which case GCC says:
error: label ‘a’ used but not defined
Under the hood - assembly
You need to know assembler to really understand this, but I'll try to explain you what an address of a label means.
After the OS loads the .exe file from th...
Relation between CommonJS, AMD and RequireJS?
...age so horrible... I'm just trying to view the offical spec. It has syntax errors, incomplete documentation and the wiki page isn't resolving.
– taco
Mar 21 '15 at 5:56
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How do I migrate a model out of one django app and into a new one?
...en specific/0003_create_cat is run, throwing an django.db.utils.OperationalError: no such table: common_cat error at you.
South runs migrations in lexicographical order unless dependency is explicitly set. Since common comes before specific all the common's migrations would get run before table ren...
Using NSPredicate to filter an NSArray based on NSDictionary keys
...he iPhone? It works great on the sim but running it on the iPhone gives an error that the NSPredicate class could not be found.
– lostInTransit
Sep 25 '09 at 4:28
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How can I recover the return value of a function passed to multiprocessing.Process?
...ile and execute the file. If you do it in a command prompt you will see an error like this:
AttributeError: Can't get attribute 'worker' on <module '__main__' (built-in)>
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Using vagrant to run virtual machines with desktop environment
... not configured in virtualbox to download the xfce4"? I'm getting the same error when running startx after vagrant ssh
– Joshua Zastrow
May 2 '18 at 15:32
1
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Exclude a sub-directory using find
...
getting an error "find: bad option -not find: path-list predicate-list"
– Ravi
Nov 19 '12 at 19:28
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How to get exit code when using Python subprocess communicate method?
....wait(). The child process will be blocked If it writes to standard output/error, and/or reads from standard input, and there are no peers.
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Is there any JSON Web Token (JWT) example in C#?
...hange the resolver code to request the certificates because else you get a error in a few days when Google changes it's certificates.
– Thomas
Apr 4 '18 at 15:05
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