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Step out of current function with GDB
...familiar with the Shift + F11 hotkey , which steps out of a function, meaning it continues execution of the current function until it returns to its caller, at which point it stops.
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Transfer-Encoding: gzip vs. Content-Encoding: gzip
...lly being transmitted. If a given URL resource changes its ETag value, it means the server-side data for that resource has changed.
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“Add as Link” for folders in Visual Studio projects
...o every files in the sources folder, not a link to the folder itself. That means that if you add a file to the source folder, it will not be automatically linked.
– Johnny5
Feb 26 '14 at 15:46
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Selectors in Objective-C?
... the selector is wrong. The colon here is part of the method signature; it means that the method takes one argument. I believe that you want
SEL sel = @selector(lowercaseString);
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Database: To delete or not to delete records
...our database. If you're using it to store session information, then by all means wipe it immediately when the session expires (or is closed), you don't want that garbage lying around. As it cannot really be used again for any practical purposes.
Basically, what you need to ask yourself, might I nee...
Python (and Python C API): __new__ versus __init__
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I don't understand why should we use super? I mean why should new return an instance of the superclass? Furthermore, as your put it, why should we pass cls explicitly to new? super(ModularTuple, cls) doesn't return a bound method?
– Alcott
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Why are Perl 5's function prototypes bad?
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Some people, looking at a Perl subroutine prototype, thinks it means something that it doesn't:
sub some_sub ($$) { ... }
To Perl, that means that the parser expects two arguments. It's Perl's way of letting you create subroutines that behave like built-ins, all of which know what to ...
Return type of '?:' (ternary conditional operator)
...ct in memory. Can you explain this in more simple term? . Also what do you mean by type and value *category*?. Thanks
– Mr.Anubis
Apr 4 '12 at 7:19
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How do I fit an image (img) inside a div and keep the aspect ratio?
...img element, I want to fit it into the div without losing any part, in the mean time the ratio is kept, is it achievable using html and css?
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In JavaScript, does it make a difference if I call a function with parentheses?
...ole.log(foo);
---outout------
function foo(){
return 123;
}
Using no () means to fetch the function itself. You would do this if you want it to be passed along as a callback.
if you log "foo()" - with ()
console.log(foo());
-----output-----
123
Using () after a function means to execute the fu...