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Create space at the beginning of a UITextField
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Apple provides the equivalent of the newBounds method with the UIEdgeInsetsInsetRect function. Instead of return self.newBounds(bounds) you could use return UIEdgeInsetsInsetRect(bounds, padding) and remove the newBounds meth...
How to set environment variables from within package.json
...ironment variable in the script command:
...
"scripts": {
"start": "node app.js",
"test": "NODE_ENV=test mocha --reporter spec"
},
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Then use process.env.NODE_ENV in your app.
Note: This is for Mac & Linux only. For Windows refer to the comments.
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How to fix getImageData() error The canvas has been tainted by cross-origin data?
...onymous";
This only works if the remote server sets the following header appropriately:
Access-Control-Allow-Origin "*"
The Dropbox file chooser when using the "direct link" option is a great example of this. I use it on oddprints.com to hoover up images from the remote dropbox image url, into ...
How to make links in a TextView clickable?
...<a> tags in the string
// resource. By default these links will appear but not
// respond to user input. To make them active, you need to
// call setMovementMethod() on the TextView object.
TextView t2 = (TextView) findViewById(R.id.text2);
t2.setMovementMethod(LinkMovem...
Setting action for back button in navigation controller
...he view controller where you want to detect the press:
-(void) viewWillDisappear:(BOOL)animated {
if ([self.navigationController.viewControllers indexOfObject:self]==NSNotFound) {
// back button was pressed. We know this is true because self is no longer
// in the navigation stac...
Dealing with nginx 400 “The plain HTTP request was sent to HTTPS port” error
I'm running a Sinatra app behind passenger/nginx. I'm trying to get it to respond to both http and https calls. The problem is, when both are defined in the server block https calls are responded to normally but http yields a 400 "The plain HTTP request was sent to HTTPS port" error. This is for a s...
How can I find the number of arguments of a Python function?
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str(sig) # returns: '(self, arg1, kwarg1=None)'
or you can also get a mapping of attribute names to parameter objects via sig.parameters.
params = sig.parameters
print(params['kwarg1']) # prints: kwarg1=20
Additionally, you can call len on sig.parameters to also see the number of arguments ...
Determine if code is running as part of a unit test
...ich checked whether the NUnit framework assembly was loaded in the current AppDomain. It only needed to do this once, then cache the result. Ugly, but simple and effective.
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Passing Data between View Controllers
...extField and the UILabel.
Set the first and second View Controllers to the appropriate Swift files in IB.
Passing data back to the previous View Controller
To pass data back from the second view controller to the first view controller, you use a protocol and a delegate. This video is a very clear w...
QuotaExceededError: Dom exception 22: An attempt was made to add something to storage that exceeded
...torage is not available at all.
One solution is to warn the user that the app needs non-private mode to work.
UPDATE: This has been fixed in Safari 11, so the behaviour is now aligned with other browsers.
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