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How can i tell if an object has a key value observer attached
if you tell an objective c object to removeObservers: for a key path and that key path has not been registered, it cracks the sads. like -
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Android: Remove all the previous activities from the back stack
...t i = new Intent(OldActivity.this, NewActivity.class);
// set the new task and clear flags
i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
startActivity(i);
Kotlin
val i = Intent(this, NewActivity::class.java)
// set the new task and clear flags
i.flags = Intent.FLAG_...
All permutations of a Windows license key
...mer: Yes, I know that this is not Python code. It just popped into my mind and I simply had to write it down.
The simplest way is the use of shell expansion:
$ echo MPP6R-09RXG-2H{8,B}MT-{B,8}K{H,N}M9-V{6,G}C8R
MPP6R-09RXG-2H8MT-BKHM9-V6C8R
MPP6R-09RXG-2H8MT-BKHM9-VGC8R
MPP6R-09RXG-2H8MT-BKNM9-V6C...
Aligning UIToolBar items
I have three UIBarButtonItem created as below. They align left and I'd like to align center so there isn't a gap on the right side. I don't see an align property on UIToolBar . Is there another way to accomplish this?
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What's the UIScrollView contentInset property for?
...e what the contentInset property in a UIScrollView instance is used for? And maybe provide an example?
5 Answers
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Using tags in the with other HTML
...upposed to generate some data structure using all the css styles on a page and use that for rendering?
11 Answers
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JAXB creating context and marshallers cost
...s a bit theoretical, what is the cost of creating JAXB context, marshaller and unmarshaller?
8 Answers
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Initializing a member array in constructor initializer
...ins an array. You say you already know about that, but then I don't understand the question. That way, you do initialize an array in the constructor, without assignments in the body. This is what boost::array does.
Does the C++03 standard say anything special about initializing aggregates (incl...
URL: Username with @
To send username and password with a URL, we use this scheme:
3 Answers
3
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Isn't “package private” member access synonymous with the default (no-modifier) access?
...ion uses, along with the usage of "default access." Aren't package-private and default access both synonymous with protected?
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