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Changing UIButton text
...ly obvious, but there are several states available for buttons. If you provide the 'wrong' one, you will not see the text change as desired.
I noticed that my button was not showing the text I added, using the methods shown here. Check this link to make sure you are providing the UIControlState tha...
Navigation bar show/hide
...an app with a navigation bar consisting of 2 bar buttons. I would like to hide and show this navigation bar when a user double taps the screen.
...
Getting name of the class from an instance
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
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Copy files from one directory into an existing directory
...he current directory, not the directory itself. This method also includes hidden files and folders.
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AngularJS ng-repeat handle empty list case
..."!events.length">No events</li>
See example.
Or you can use ngHide
<li ng-hide="events.length">No events</li>
See example.
For object you can test Object.keys.
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Why would you use an ivar?
...ficantly more at times).
Program Correctness
Since the subclasses can override any method, you may eventually see there is a semantic difference between writing to the interface versus managing your state appropriately. Direct access for program correctness is especially common in partially construc...
How to convert a Drawable to a Bitmap?
...
URL url_value = new URL(name);
ImageView profile = (ImageView)v.findViewById(R.id.vdo_icon);
if (profile != null) {
Bitmap mIcon1 =
BitmapFactory.decodeStream(url_value.openConnection().getInputStream());
profile.setImageBitmap(mIcon1);
}
...
Returning JSON from a PHP Script
... should use header() commands only in addition with output buffering to avoid "headers already sent" warnings
– Kevin
Jul 2 '14 at 16:51
6
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What exactly can cause an “HIERARCHY_REQUEST_ERR: DOM Exception 3”-Error?
...node
You are attempting to append a node to a text node.
Your HTML is invalid (e.g. failing to close your target node)
The browser thinks the HTML you are attempting to append is XML (fix by adding <!doctype html> to your injected HTML, or specifying the content type when fetching via XHR)
...
How to define a function in ghci across multiple lines?
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You can completely avoid indentation using a trailing let. Simply type a let followed by a newline: let ⏎. Then fac 0 = 1 ⏎. Then fac n = n * fac (n-1) ⏎ ⏎ and you're done!
– Iceland_jack
Sep 17 '1...