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remove_if equivalent for std::map
...name ContainerT, typename PredicateT >
void erase_if( ContainerT& items, const PredicateT& predicate ) {
for( auto it = items.begin(); it != items.end(); ) {
if( predicate(*it) ) it = items.erase(it);
else ++it;
}
}
}
This won't return anything, but it will remov...
How Do I Fetch All Old Items on an RSS Feed?
...eplies here mentioned, a feed may not provide archival data but historical items may be available from another source.
Archive.org’s Wayback Machine has an API to access historical content, including RSS feeds (if their bots have downloaded it). I’ve created the web tool Backfeed that uses this...
Angularjs if-then-else construction in expression
...ator) in angularjs expression, for example I have function $scope.isExists(item) that has to return bool value.
I want something like this,
...
how to iterate through dictionary in a dictionary in django template?
...a = {'a': [ [1, 2] ], 'b': [ [3, 4] ],'c':[ [5,6]] }
You can use the data.items() method to get the dictionary elements. Note, in django templates we do NOT put (). Also some users mentioned values[0] does not work, if that is the case then try values.items.
<table>
<tr>
&l...
Delete ActionLink with confirm dialog
...oad:
<%= Html.ActionLink(
"Delete",
"Delete",
new { id = item.storyId },
new { onclick = "return confirm('Are you sure you wish to delete this article?');" })
%>
share
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...
Footnotes for tables in LaTeX
...
The best way to do it without any headache is to use the
\tablefootnote command from the tablefootnote package. Add the following to your preamble:
\usepackage{tablefootnote}
It just works without the need of additional trick...
Get all non-unique values (i.e.: duplicate/more than one occurrence) in an array
...
This is the best solution, but be careful of adding it to the array prototype, since that will mess up IE if looping through the values.
– Sampsa Suoninen
Oct 12 '12 at 6:59
...
Load view from an external xib file in storyboard
...
For a while Christopher Swasey's approach was the best approach I had found. I asked a couple of the senior devs on my team about it and one of them had the perfect solution! It satisfies every one of the concerns that Christopher Swasey so eloquently addressed and it doesn'...
How do Python's any and all functions work?
...t *
builtin_any(PyObject *module, PyObject *iterable)
{
PyObject *it, *item;
PyObject *(*iternext)(PyObject *);
int cmp;
it = PyObject_GetIter(iterable);
if (it == NULL)
return NULL;
iternext = *Py_TYPE(it)->tp_iternext;
for (;;) {
item = iternext(it)...
Length of generator output [duplicate]
...ed to use itertools.count() with itertools.izip() but no luck. This is the best/shortest answer I've come up with:
#!/usr/bin/python
import itertools
def func():
for i in 'yummy beer':
yield i
def icount(ifunc):
size = -1 # for the case of an empty iterator
for size, _ in enu...