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Handle file download from ajax post
...ent). I can easily detect Content-Type and Content-Disposition in my ajax call, but once I detect that the response contains a file, how do I offer the client to download it? I've read a number of similar threads here but none of them provide the answer I'm looking for.
...
C# 4.0 optional out/ref arguments
...ecification, section 21.1:
Formal parameters of constructors, methods, indexers and delegate types can be declared optional:
fixed-parameter:
attributesopt parameter-modifieropt type identifier default-argumentopt
default-argument:
= expression
A fixed-parame...
How to get the position of a character in Python?
...
There are two string methods for this, find() and index(). The difference between the two is what happens when the search string isn't found. find() returns -1 and index() raises ValueError.
Using find()
>>> myString = 'Position of a character'
>>> myS...
Multiple modals overlay
...ter solution that is inspired by @YermoLamers & @Ketwaroo.
Backdrop z-index fix
This solution uses a setTimeout because the .modal-backdrop isn't created when the event show.bs.modal is triggered.
$(document).on('show.bs.modal', '.modal', function () {
var zIndex = 1040 + (10 * $('.modal:v...
✔ Checkmark selected row in UITableViewCell
.../ its a hammer.
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
[tableView cellForRowAtIndexPath:indexPath].accessoryType = UITableViewCellAccessoryCheckmark;
}
-(void)tableView:(UITableView *)tableView didDeselectRowAtIndexPath:(NSIndexPath *)i...
Why should I use Google's CDN for jQuery?
...
This is because:
It increases the parallelism available. (Most browsers will only download 3 or 4 files at a time from any given site.)
It increases the chance that there will be a cache-hit. (As more sites follow this practice, more users already have the fil...
c++ boost::multi_index composite keys efficiency - C/C++ - 清泛网 - 专注C/C++及内核技术
c++ boost::multi_index composite keys efficiencyLong time reader first time poster! I'm playing around with the boost::multi_index container stuff and have a...Long time reader first time poster! I'm playing around with the boost::multi_index container stuff and have a rather in-depth question that ...
Avoiding if statement inside a for loop?
...lt;vector>
template <typename Container, typename Functor, typename Index = std::size_t>
void for_each_indexed(const Container& c, Functor f, Index index = 0) {
for (const auto& e : c)
f(index++, e);
}
int main() {
using namespace std;
set<char> s{'b',...
How to index into a dictionary?
...re about the order of the entries and want to access the keys or values by index anyway, you can use d.keys()[i] and d.values()[i] or d.items()[i]. (Note that these methods create a list of all keys, values or items in Python 2.x. So if you need them more then once, store the list in a variable to...
When to use a linked list over an array/array list?
...e list (such as a priority queue)
Arrays are preferable when:
you need indexed/random access to elements
you know the number of elements in the array ahead of time so that you can allocate the correct amount of memory for the array
you need speed when iterating through all the elements in seque...