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Iterator invalidation rules
...m not sure how the rehashing part could be mapped on insert/erase, do you know of a way to check whether a rehash will be triggered or not ?
– Matthieu M.
Jun 22 '11 at 10:33
1
...
Why is auto_ptr being deprecated?
...f assignments supported by auto_ptr
copy assignment (4) culprit
Now coming to the reason WHY the copy assignment itself was so disliked, I have this theory :
Not all programmers read books or standards
auto_ptr on the face of it, promises you ownership of the object
the little-* (pun in...
Releasing memory in Python
...ere a way to force Python to release all the memory that was used (if you know you won't be using that much memory again)?
No, there is not. But there is an easy workaround: child processes.
If you need 500MB of temporary storage for 5 minutes, but after that you need to run for another 2 hours a...
What does “fragment” mean in ANTLR?
...with you that this is a meaningful example but (imo) only for who already knows what the fragment keyword means. I find it somewhat misleading for someone who is trying to figure out the correct use of fragments for the first time.
– BlackBrain
Dec 6 '18 at 17:...
Where do you store your salt strings?
...g the calculations for brute-forcing the hash), thus the argument that by knowing the salt someone could "generate a rainbow table" is spurious.
There's no real point in storing salts in a separate file as long as they're on a per-user basis - the point of the salt is simply to make it so that one ...
What does MVW stand for?
...but over time and thanks to many refactorings
and api improvements, it's now closer to MVVM – the $scope object
could be considered the ViewModel that is being decorated by a
function that we call a Controller.
Being able to categorize a framework and put it into one of the MV*
bucket...
What are some uses of template template parameters?
...lustrative, is no longer an amazing example due to c++11 introducing auto. Now the same function can be written as:
template <class Cont>
void f(Cont &v) {
auto temp = v.back();
v.pop_back();
// Do some work on temp
std::cout << temp << std::endl;
}
which i...
Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?
.../a/11227902/1001643
Compilers typically don't have enough information to know which branches will alias and whether those aliases will be significant. However, that information can be determined at runtime with tools such as Cachegrind and VTune.
...
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
...
Rotated elements in CSS that affect their parent's height correctly
...dth of your element is small enough that the text wraps: */
white-space: nowrap;
}
Stack snippet demo
p {
/* Tweak the visuals of the paragraphs for easier visualiation: */
background: pink;
margin: 1px 0;
border: 1px solid black;
}
.rotation-wrapper-outer {
display: table;...