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How to delete shared preferences data from App in Android
...ring the preferences file does not appear to actually delete it. In my own tests by watching the "Data" usage listed in the App Info panel, creating a new SharedPreference file adds 4KB to this value but using editor.clear().commit() does not reduce the number.
– Code Commander...
How to unset a JavaScript variable?
... window property and its value will be 10 at the end of the code:
function test() { a = 5; var a = 10; }
The above discussion is when "strict mode" is not enabled. Lookup rules are a bit different when using "strict mode" and lexical references that would have resolved to window properties without...
ObservableCollection not noticing when Item in it changes (even with INotifyPropertyChanged)
...entArgs args) : this(index, args.PropertyName)
{ }
}
}
NUnit Tests
So you can check changes you might make (and see what I tested in the first place!), I've also included my NUnit test class. Obviously, the following code is not necessary just to use FullyObservableCollection<T>...
What's Mongoose error Cast to ObjectId failed for value XXX at path “_id”?
...
This worked me as well. Looks like The /test/create satisfies this /test/:id with id=create. and string cannot be cast to_id.
– kaila88
Mar 30 at 22:02
...
How can I get around MySQL Errcode 13 with SELECT INTO OUTFILE?
...help. Here is my experience:
tmp $ pwd
/Users/username/tmp
tmp $ mkdir bkptest
tmp $ mysqldump -u root -T bkptest bkptest
mysqldump: Got error: 1: Can't create/write to file '/Users/username/tmp/bkptest/people.txt' (Errcode: 13) when executing 'SELECT INTO OUTFILE'
tmp $ chmod a+rwx bkptest/
tmp $ ...
How to force 'cp' to overwrite directory instead of creating another one inside?
...al file
So as per your example, following is the file structure.
$ tree test
test
|-- bar
| |-- a
| `-- b
`-- foo
|-- a
`-- b
2 directories, 4 files
You can see the clear difference when you use -v for Verbose.
When you use just -R option.
$ cp -Rv foo/ bar/
`foo/' -> `bar/foo'
...
How to escape a single quote inside awk
...%s%s ", q, $1, q}'
Simpler example with string concatenation:
# Prints 'test me', *including* the single quotes.
$ awk -v q=\' '{print q $0 q }' <<<'test me'
'test me'
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What is the right way to check for a null string in Objective-C?
...t check for pointer equality. See Topics for Cocoa: Using Null.
So a good test might be:
if (title == (id)[NSNull null] || title.length == 0 ) title = @"Something";
Note how you can use the fact that even if title is nil, title.length will return 0/nil/false, ie 0 in this case, so you do not hav...
What's the main difference between int.Parse() and Convert.ToInt32
...3456";
int res;
try
{
// int.Parse() - TEST
res = int.Parse(strInt); // res = 24532
res = int.Parse(strNull); // System.ArgumentNullException
res = int.Parse(strWrongFrmt); // System.FormatException
res = int.Parse(s...
val() doesn't trigger change() in jQuery [duplicate]
...
You need to chain the method like this:
$('#input').val('test').change();
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