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Test if object implements interface
...
if (object is IBlah)
or
IBlah myTest = originalObject as IBlah
if (myTest != null)
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foll...
change html text from link with jquery
... contains the combined text
contents of all matched elements. This
method works on both HTML and XML
documents. Cannot be used on input
elements. For input field text use the
val attribute.
For example:
Find the text in the first paragraph
(stripping out the html), then set the
html of the last pa...
java.lang.IllegalArgumentException: View not attached to window manager
I have an activity that starts AsyncTask and shows progress dialog for the duration of operation. The activity is declared NOT be recreated by rotation or keyboard slide.
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Accessing a Dictionary.Keys Key through a numeric index
...
As @Falanwe points out in a comment, doing something like this is incorrect:
int LastCount = mydict.Keys.ElementAt(mydict.Count -1);
You should not depend on the order of keys in a Dictionary. If you need ordering, you should use an OrderedDictionary, as suggested in this answer. The other ...
How to get string objects instead of Unicode from JSON?
...
A solution with object_hook
import json
def json_load_byteified(file_handle):
return _byteify(
json.load(file_handle, object_hook=_byteify),
ignore_dicts=True
)
def json_loads_byteified(json_text):
return _byteify(
jso...
What is the best way to solve an Objective-C namespace collision?
...pace. Common practice is to prefix classes with initials, e.g. if you are working at IBM, you could prefix them with "IBM"; if you work for Microsoft, you could use "MS"; and so on. Sometimes the initials refer to the project, e.g. Adium prefixes classes with "AI" (as there is no company behind it o...
How to get all possible combinations of a list’s elements?
...from
the input iterable.
Combinations are emitted in lexicographic sort order. So, if the
input iterable is sorted, the
combination tuples will be produced in
sorted order.
Since 2.6, batteries are included!
s...
How to search in array of object in mongodb
...: {award:'National Medal', year:1975}}})
$elemMatch allows you to match more than one component within the same array element.
Without $elemMatch mongo will look for users with National Medal in some year and some award in 1975s, but not for users with National Medal in 1975.
See MongoDB $elemMa...
How to write LDAP query to test if user is member of a group?
...er of a particular group. Is it possible to do that so that I get either 0 or 1 result records?
4 Answers
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Does R have an assert statement as in python?
a statement that checks if something is true and if not prints a given error message and exits
3 Answers
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