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Gridview with two columns and auto resized images
... public MyAdapter(Context context) {
mInflater = LayoutInflater.from(context);
mItems.add(new Item("Red", R.drawable.red));
mItems.add(new Item("Magenta", R.drawable.magenta));
mItems.add(new Item("Dark Gray", R.drawable.dark_gray));
mItems.add(new...
Is there a standard way to list names of Python modules in a package?
...t really part of the package. And .pyo is another valid extension. Aside from that, using imp.find_module is a really good idea; I think this is the right answer.
– DNS
Jan 28 '09 at 22:39
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.NET HashTable Vs Dictionary - Can the Dictionary be as fast?
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@Howiecamp: This is not really much different from Hashtable. Hash tables store 3 pieces of information in an entry: key hash, key itself, and the value. For items with equal hash, it'll have to traverse the list to find the item with equal key and return its value. This...
How to default to other directory instead of home directory
...
Just write that line to a file "cd.sh", then do this from your shell prompt:
. ./cd.sh
Or you can create an alias or function in your $HOME/.bashrc file:
foo() { cd /d/work_space_for_my_company/project/code_source ; }
If the directory name includes spaces or other shell m...
Insert an element at a specific index in a list and return the updated list
...:
>>> a = [1, 2, 4]
>>> insert_at = 2 # Index starting from which multiple elements will be inserted
# List of elements that you want to insert together at "index_at" (above) position
>>> insert_elements = [3, 5, 6]
>>> a[insert_at:insert_at] = insert_elements...
How to Correctly handle Weak Self in Swift Blocks with Arguments
...you had to go with [weak self] instead.
I really liked the whole section from the manual on using strong, weak, and unowned in closures:
https://developer.apple.com/library/content/documentation/Swift/Conceptual/Swift_Programming_Language/AutomaticReferenceCounting.html
Note: I used the term clo...
Immutable vs Mutable types
...he float object is considered to be immutable, with this type of example from my book:
16 Answers
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Get size of folder or file
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The variable has to be final when accessed from anonymous class
– Aksel Willgert
Dec 28 '14 at 10:30
1
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Why does Stream not implement Iterable?
...tream), as well as a host of other immensely awesome functionality missing from Stream.
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What does “where T : class, new()” mean?
...ed last.
where T : [base class name]
The type argument must be or derive from the specified base class.
where T : [interface name]
The type argument must be or implement the specified interface. Multiple interface constraints can be specified. The constraining interface can also be generic.
whe...