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How to automatically generate a stacktrace when my program crashes
...9/csu/../sysdeps/i386/elf/start.S:122(_start)[0x8049801]
If you want to know the gory details, the best source is unfortunately the source: See http://sourceware.org/git/?p=glibc.git;a=blob;f=debug/segfault.c and its parent directory http://sourceware.org/git/?p=glibc.git;a=tree;f=debug
...
What do linkers do?
I've always wondered. I know that compilers convert the code you write into binaries but what do linkers do? They've always been a mystery to me.
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Compile time string hashing
...§5.19/2/2). I did make a mistake in the termination condition, which I've now fixed (I accidentally used || where it should have been &&).
– Jerry Coffin
Jan 21 '10 at 22:17
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Why is iterating through a large Django QuerySet consuming massive amounts of memory?
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Small improvements now possible since post. Paginator now has a page_range property to avoid boilerplate. If in search of minimal memory overhead, you can use object_list.iterator() which will not populate the queryset cache. prefetch_relat...
How to close current tab in a browser window?
...se the browser will attempt to go to that URL (which it obviously isn't).
Now the options on the window.confirm() dialog box will be OK and Cancel (not Yes and No). If you really want Yes and No you'll need to create some kind of modal Javascript dialog box.
Note: there is browser-specific differe...
Rails layouts per action?
... method before, but wasn't thinking of testing that when I had the problem now, thanks again.
– 244an
Oct 1 '15 at 15:07
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How does Bluebird's util.toFastProperties function make an object's properties “fast”?
...object->HasFastProperties()) {
MigrateSlowToFast(object, 0);
}
}
Now, JSObject::MigrateSlowToFast just explicitly takes the Dictionary and converts it into a fast V8 object. It's a worthwhile read and an interesting insight into v8 object internals - but it's not the subject here. I still ...
Force browser to clear cache
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SO is using GET arguments now.
– Saeb Amini
Nov 23 '11 at 16:36
61
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What is the difference between #import and #include in Objective-C?
...was already included, as
far as #import is concerned, that file is now already completely included.
Bottom line:
C/C++ headers traditionally includes parts of other include files.
So for C/C++ headers, use #include.
For objc/objc++ headers, use #import.
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How do I mock a service that returns promise in AngularJS Jasmine unit test?
...e,'actionBeingCalled')
.returns(httpPromise(200));
Known that, httpPromise can be :
const httpPromise = (code) => new Promise((resolve, reject) =>
(code >= 200 && code <= 299) ? resolve({ code }) : reject({ code, error:true })
);
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