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Convert Base64 string to an image file? [duplicate]

... data in the function before decoding the string, like so. function base64_to_jpeg($base64_string, $output_file) { // open the output file for writing $ifp = fopen( $output_file, 'wb' ); // split the string on commas // $data[ 0 ] == "data:image/png;base64" // $data[ 1 ] == &l...
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How do I pass extra arguments to a Python decorator?

... it needs to return another function which is the actual decorator: def my_decorator(param): def actual_decorator(func): print("Decorating function {}, with parameter {}".format(func.__name__, param)) return function_wrapper(func) # assume we defined a wrapper somewhere ret...
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Python Flask, how to set content type

... Try like this: from flask import Response @app.route('/ajax_ddl') def ajax_ddl(): xml = 'foo' return Response(xml, mimetype='text/xml') The actual Content-Type is based on the mimetype parameter and the charset (defaults to UTF-8). Response (and request) objects are docume...
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When should I use C++14 automatic return type deduction?

...tatement boundaries we make types explicit, within expressions they are usually implicit but we can make them explicit with casts". C++11 and C++1y introduce type deduction tools so that you can leave out the type in new places. Sorry, but you're not going to solve this up front by making general r...
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cleanest way to skip a foreach if array is empty [duplicate]

...t need: foreach ((array) $items as $item) { print $item; } Note: to all the people complaining about typecast, please note that the OP asked cleanest way to skip a foreach if array is empty (emphasis is mine). A value of true, false, numbers or strings is not considered empty. In addition, th...
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Calling a function when ng-repeat has finished

What I am trying to implement is basically a "on ng repeat finished rendering" handler. I am able to detect when it is done but I can't figure out how to trigger a function from it. ...
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using jquery $.ajax to call a PHP function

This may be a simple answer, but I'm using jQuery's $.ajax to call a PHP script. What I want to do is basically put that PHP script inside a function and call the PHP function from javascript. ...
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Changing Font Size For UITableView Section Headers

...wForHeaderInSection:(NSInteger)section { UILabel *myLabel = [[UILabel alloc] init]; myLabel.frame = CGRectMake(20, 8, 320, 20); myLabel.font = [UIFont boldSystemFontOfSize:18]; myLabel.text = [self tableView:tableView titleForHeaderInSection:section]; UIView *headerView = [[UIV...
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Routes with Dash `-` Instead of Underscore `_` in Ruby on Rails

... there has to be a better and faster way to convert all routes that has undersore to hyphens – carbonr Mar 31 '13 at 17:59 ...
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Block Comments in Clojure

... Actually, there is a way! (comment (defn hey [] ("Hey there!")) Check me out! ) Just wrap your comments in (comment ..) :) Have fun! share ...