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Understanding generators in Python
...u do not look into until you understand the basic concept of a generator.
Now you may ask: why use generators? There are a couple of good reasons:
Certain concepts can be described much more succinctly using generators.
Instead of creating a function which returns a list of values, one can write ...
How to organize a node app that uses sequelize?
...plex and hard to understand code that would be hard to upgrade and debug.
Now what you want to do is to have models get data from a layer that knows where and how to get it, but your models only use API methods, e.g. fetch, save, delete etc. And inside this layer you have specific implementations f...
What is the difference between dict.items() and dict.iteritems() in Python2?
...or backwards compatibility.
One of Python 3’s changes is that items() now return iterators, and a list is never fully built. The iteritems() method is also gone, since items() in Python 3 works like viewitems() in Python 2.7.
...
Resumable downloads when using PHP to send the file?
...
// multiple ranges, which can become pretty complex, so ignore it for now
preg_match('/bytes=(\d+)-(\d+)?/', $_SERVER['HTTP_RANGE'], $matches);
$offset = intval($matches[1]);
$length = intval($matches[2]) - $offset;
} else {
$partialContent = false;
}
$file = fopen($file, 'r')...
Why can't I see the “Report Data” window when creating reports?
...the toolbox, and add controls to the report, but the "Report Data" pane is nowhere to be found, so I can't fill the controls on my report. However, if I run the solution, the "Report Data" pane appears, and I can drag fields on to my report, however the Toolbox contains no controls while I'm runnin...
How do I remove an item from a stl vector with a certain value?
...ontainer_type::erase to do the REAL removal of the extra elements that are now at the end of the container:
std::vector<int> vec;
// .. put in some values ..
int int_to_remove = n;
vec.erase(std::remove(vec.begin(), vec.end(), int_to_remove), vec.end());
...
Getting the current page
...he last of which - page five - will show that remaining 0.313 of content.
Now, numberOfPages being five means that the page indices will be 0, 1, 2, 3, and 4.
When I swipe rightwards, paging towards the final offset, the scrollViewDidEndDecelerating method gives a final X offset of 2412.
Applyin...
How get integer value from a enum in Rails?
...turns the integer value
Update for rails 5
For rails 5 the above method now returns the string value :(
The best method I can see for now is:
my_model.sale_info_before_type_cast
Shadwell's answer also continues to work for rails 5.
...
Preloading images with JavaScript
... globally which can cause error that are really hard to solve (unless you know that you forgot the var statement. for (var i = 0.....
– Mohammer
Jun 13 '16 at 23:37
2
...
WCF Service , how to increase the timeout?
...ns to <system.serviceModel> in web.config, but its throwing an error now.... any additional steps I've missed out on...
– JL.
Oct 5 '09 at 14:23
...