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How to handle button clicks using the XML onClick within Fragments
...ayoutInflater.class.getDeclaredMethod(
"onCreateView", String.class, AttributeSet.class);
method.setAccessible(true);
sOnCreateViewMethod = method;
} catch (NoSuchMethodException e) {
// Public API: Should not happen.
throw ...
What does “hashable” mean in Python?
...unhashable
List of immutable types:
int, float, decimal, complex, bool, string, tuple, range, frozenset, bytes
List of mutable types:
list, dict, set, bytearray, user-defined classes
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How can I access and process nested objects, arrays or JSON?
...a key -> value structure. Keys in an array must be numeric, whereas any string can be used as key in objects. The key-value pairs are also called the "properties".
Properties can be accessed either using dot notation
const value = obj.someProperty;
or bracket notation, if the property name wo...
Html.RenderPartial() syntax with Razor
This works, because it returns the result of partial view rendering in a string:
4 Answers
...
Swapping column values in MySQL
...
Ok, so just for fun, you could do this! (assuming you're swapping string values)
mysql> select * from swapper;
+------+------+
| foo | bar |
+------+------+
| 6 | 1 |
| 5 | 2 |
| 4 | 3 |
+------+------+
3 rows in set (0.00 sec)
mysql> update swapper set
-...
Why JSF calls getters multiple times
...istener>).
someProperty = loadSomeProperty();
}
public String submit() {
// Or in POST action method (e.g. <h:commandXxx action>).
someProperty = loadSomeProperty();
return "outcome";
}
public SomeObject getSomeProperty() {
// Just k...
Resize a large bitmap file to scaled output file on Android
...nswer translated to code (works perfect for me):
private Bitmap getBitmap(String path) {
Uri uri = getImageUri(path);
InputStream in = null;
try {
final int IMAGE_MAX_SIZE = 1200000; // 1.2MP
in = mContentResolver.openInputStream(uri);
// Decode image size
BitmapFactory.Options op...
Python way of printing: with 'format' or percent form? [duplicate]
...er to
format tuples and dictionaries correctly. As the new
:ref:string-formatting syntax is more flexible and handles tuples and
dictionaries naturally, it is recommended for new code. However, there
are no current plans to deprecate printf-style formatting.
...
Url decode UTF-8 in Python
...а'
The Python 2 equivalent is urllib.unquote(), but this returns a bytestring, so you'd have to decode manually:
from urllib import unquote
url = unquote(url).decode('utf8')
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Convert int to ASCII and back in Python
...
ASCII to int:
ord('a')
gives 97
And back to a string:
in Python2: str(unichr(97))
in Python3: chr(97)
gives 'a'
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