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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...
How do I use valgrind to find memory leaks?
...first
gcc -o executable -std=c11 -Wall -ggdb3 main.c # add -ggdb3 to it
Now with this debug build, Valgrind points to the exact line of code
allocating the memory that got leaked! (The wording is important: it might not
be exactly where your leak is, but what got leaked. The trace helps you fin...
How to have favicon / icon set when bookmarklet dragged to toolbar?
...nize, and select Import
Import HTML file you just edited, your bookmarklet now has a favicon.
Basically the procedure is to get ICON attribute of a bookmark tag and insert it into bookmarklet tag
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Can you nest html forms?
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I ran into a similar problem, and I know that is not an answer to the question, but it can be of help to someone with this kind of problem:
if there is need to put the elements of two or more forms in a given sequence, the HTML5 <input> form attribute can ...
libxml install error using pip
...python-dev
For Debian based systems, it should be enough to install the known build dependencies of python-lxml or python3-lxml, e.g.
sudo apt-get build-dep python3-lxml
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What does f+++++++++ mean in rsync logs?
... a "+", (2) an identical item replaces the dots with spaces, and (3) an unknown attribute replaces each letter with a "?" (this can happen when talking to an older rsync).
The attribute that is associated with each letter is as follows:
A c means either that a regular file has a different checksu...
Remove tracking branches no longer on remote
... awk do all of the filtering: awk '/: gone]/{if ($1!="*") print $1}'. This now works as expected.
– rhaben
Aug 23 '16 at 17:29
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How can I improve my paw detection?
...he paw detection algorithm is fairly fast...)
Here's a full example (now with much more detailed explanations). The vast majority of this is reading the input and making an animation. The actual paw detection is only 5 lines of code.
import numpy as np
import scipy as sp
import scipy.ndimage...
Django dynamic model fields
....create(value='unkown')
ynu = EnumGroup.objects.create(name='Yes / No / Unknown')
ynu.enums.add(self.yes)
ynu.enums.add(self.no)
ynu.enums.add(self.unkown)
Attribute.objects.create(name='fever', datatype=Attribute.TYPE_ENUM,\
enum_group=ynu)
# When you regist...
Proper way to handle multiple forms on one page in Django
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Great idea with those prefixes, we used those now and they work like a charm. But we still had to insert a hidden field to detect which form was submitted, because both forms are in a lightbox (each in a separate one). Because we need to reopen the correct lightbox we ne...