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SharedPreferences.onSharedPreferenceChangeListener not being called consistently
...tener() {
public void onSharedPreferenceChanged(SharedPreferences prefs, String key) {
// Implementation
}
});
do this:
// Use instance field for listener
// It will not be gc'd as long as this instance is kept referenced
listener = new SharedPreferences.OnSharedPreferenceChangeListener()...
The multi-part identifier could not be bound
... In my case, I was forgetting to put spaces when I concatenated strings to build the sql, so 'FROM dbo.table_a a' + 'INNER JOIN dbo.table_b b' became 'FROM dbo.table_a aINNER JOIN dbo.table_b b', and it got confused and gave me this error message. Details, details, details.
...
How do I stop Entity Framework from trying to save/insert child objects?
...like this:
public class City
{
public int Id { get; set; }
public string Name { get; set; }
}
public class School
{
public int Id { get; set; }
public string Name { get; set; }
[Required]
public City City { get; set; }
}
And you might do the School insertion like this (a...
Haml: Control whitespace around text
...
Once approach I've taken to this sort of thing is to use string interpolation:
I will first #{link_to 'Link somewhere'}#{', then render this half of the sentence if a condition is met' if condition}
I don't like the look of the literal string in the interpolation, but I've used ...
Quickest way to compare two generic lists for differences
...want the results to be case insensitive, the following will work:
List<string> list1 = new List<string> { "a.dll", "b1.dll" };
List<string> list2 = new List<string> { "A.dll", "b2.dll" };
var firstNotSecond = list1.Except(list2, StringComparer.OrdinalIgnoreCase).ToList();
v...
Non-alphanumeric list order from os.listdir()
...
You can use the builtin sorted function to sort the strings however you want. Based on what you describe,
sorted(os.listdir(whatever_directory))
Alternatively, you can use the .sort method of a list:
lst = os.listdir(whatever_directory)
lst.sort()
I think should do the...
Get escaped URL parameter
...g for a jQuery plugin that can get URL parameters, and support this search string without outputting the JavaScript error: "malformed URI sequence". If there isn't a jQuery plugin that supports this, I need to know how to modify it to support this.
...
JavaScript regex multiline flag doesn't work
I wrote a regex to fetch string from HTML, but it seems the multiline flag doesn't work.
5 Answers
...
FIND_IN_SET() vs IN()
...('1,2,3' AS INT)) ≡ companyID IN (1)
In PostgreSQL, you could cast the string into array (or store it as an array in the first place):
SELECT name
FROM orders
JOIN company
ON companyID = ANY (('{' | attachedCompanyIDs | '}')::INT[])
WHERE orderID = 1
and this would even use an i...
Determine file creation date in Java
...util.concurrent.TimeUnit;
public class Main
{
public static void main(String[] args) {
File file = new File("c:\\1.txt");
Path filePath = file.toPath();
BasicFileAttributes attributes = null;
try
{
attributes =
Files.read...