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How do I access the host machine itself from the iPhone simulator
...'m developing an app that connects to a web service for most of it's operations. As a shortcut, I'd like to run a copy of my development server on my machine. Question is:
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How to convert a PNG image to a SVG? [closed]
... # PNG to PNM
potrace file.pnm -s -o file.svg # PNM to SVG
Explain options
potrace -s => Output file is SVG
potrace -o file.svg => Write output to file.svg
Example
Input file = 2017.png
convert 2017.png 2017.pnm
Temporary file = 2017.pnm
potrace 2017.pnm -s -o 2017.svg
Output ...
Download large file in python with requests
...r that is often far bigger, and is expected to be different in every iteration.
See https://requests.readthedocs.io/en/latest/user/advanced/#body-content-workflow and https://requests.readthedocs.io/en/latest/api/#requests.Response.iter_content for further reference.
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How to import an excel file in to a MySQL database
...it into some text format. The easiest will probably be a tab-delimited version, but CSV can work as well.
Use the load data capability. See http://dev.mysql.com/doc/refman/5.1/en/load-data.html
Look half way down the page, as it will gives a good example for tab separated data:
FIELDS TERMINATED BY...
How to set bootstrap navbar active class with Angular JS?
...gt;
<div ng-view></div>
and include in controllers.js:
function HeaderController($scope, $location)
{
$scope.isActive = function (viewLocation) {
return viewLocation === $location.path();
};
}
...
WebRTC - scalable live stream broadcasting / multicasting
...d here, what you are trying to do here is not possible with plain, old-fashionned WebRTC (strictly peer-to-peer). Because as it was said earlier, WebRTC connections renegotiate encryption keys to encrypt data, for each session. So your broadcaster (B) will indeed need to upload its stream as many ti...
How can I wait for set of asynchronous callback functions?
...
You haven't been very specific with your code, so I'll make up a scenario. Let's say you have 10 ajax calls and you want to accumulate the results from those 10 ajax calls and then when they have all completed you want to do something. You can do it like this by accumulating the data in an arr...
Link and execute external JavaScript file hosted on GitHub
...change the linked reference of a local JavaScript file to a GitHub raw version my test file stops working. The error is:
1...
Why did my Git repo enter a detached HEAD state?
... a branch, and get a detach HEAD, except:
it has an explicit --detach option
To check out commit HEAD~3 for temporary inspection or experiment without creating a new branch:
git switch --detach HEAD~3
HEAD is now at 9fc9555312 Merge branch 'cc/shared-index-permbits'
it cannot detached by...
ReferenceError: event is not defined error in Firefox
...
You're declaring (some of) your event handlers incorrectly:
$('.menuOption').click(function( event ){ // <---- "event" parameter here
event.preventDefault();
var categories = $(this).attr('rel');
$('.pages').hide();
$(categories).fadeIn();
});
You need "event" to be a par...