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How do you dismiss the keyboard when editing a UITextField
...n the user has pressed the "Done" key on the keyboard. Is there a notification I can watch for?
22 Answers
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iphone Core Data Unresolved error while saving
...roperty has been assigned nil. Either in your *.xcodatamodel check the "optional" box or when you are saving to the managedObjectContext make sure that your properties are filled in.
If you're getting further errors after changing your code to suit the two requirements try cleaning your build and ...
Python ElementTree module: How to ignore the namespace of XML files to locate matching element when
.... This way you can handle multiple namespaces and namespace aliases:
from io import StringIO # for Python 2 import from StringIO instead
import xml.etree.ElementTree as ET
# instead of ET.fromstring(xml)
it = ET.iterparse(StringIO(xml))
for _, el in it:
prefix, has_namespace, postfix = el.tag...
Espresso: Thread.sleep( );
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On my mind correct approach will be:
/** Perform action of waiting for a specific view id. */
public static ViewAction waitId(final int viewId, final long millis) {
return new ViewAction() {
@Override
public Matcher<View> getConstraints() {
...
How to convert a Base64 string into a Bitmap image to show it in a ImageView?
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byte[] b = Base64.decode(previouslyEncodedImage.getBytes(), Base64.DEFAULT);bitmap = BitmapFactory.decodeByteArray(b, 0, b.length); bitmap returns null in my case.how to convert base 64 string to bitmap?
– Rajesh
De...
Remove All Event Listeners of Specific Type
...ws such features unfortunately. It would have been if the listeners collection was accessible but the feature wasn't implemented.
The closest thing you can do is to remove all listeners by cloning the element, which will not clone the listeners collection.
Note: This will also remove listeners on ...
Tools to get a pictorial function call graph of code [closed]
...k space which has many source files of C code. Although I can see the functions called from a function in MS VS2005 using the Object browser, and in MSVC 6.0 also, this only shows functions called from a particular function in a non-graphical kind of display. Additionally, it does not show the funct...
How to check a not-defined variable in JavaScript
...lared and is not undefined:
if (yourvar !== undefined) // Any scope
Previously, it was necessary to use the typeof operator to check for undefined safely, because it was possible to reassign undefined just like a variable. The old way looked like this:
if (typeof yourvar !== 'undefined') // Any ...
HTML5 Video Dimensions
I'm trying to get the dimensions of a video of which I'm overlaying onto a page with JavaScript, however it is returning the dimensions of the poster image instead of the actual video as it seems it's being calculated before the video is loaded.
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How do I clone a Django model instance object and save it to the database?
...ne's and m2m's involved (i.e., there may be more complex "deep copy" scenarios)
– B Robster
Sep 30 '14 at 21:47
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