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postgresql COUNT(DISTINCT …) very slow
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323
You can use this:
SELECT COUNT(*) FROM (SELECT DISTINCT column_name FROM table_name) AS temp;...
onTouchListener warning: onTouch should call View#performClick when a click is detected
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133
Here you go:
public boolean onTouch(View v, MotionEvent event) {
switch (event.getAction()...
How can I reference a commit in an issue comment on GitHub?
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3 Answers
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Active
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Passing two command parameters using a WPF binding
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Alexander Abakumov
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answered Aug 29 '09 at 9:50
Kent BoogaartKent Boogaart
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Does a valid XML file require an XML declaration?
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3 Answers
3
Active
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WARNING: Can't verify CSRF token authenticity rails
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378
You should do this:
Make sure that you have <%= csrf_meta_tag %> in your layout
Add be...
Bundle ID Suffix? What is it?
...by a period (.) — an App ID Prefix (your Team ID by default, e.g. ABCDE12345), and an App ID Suffix (a Bundle ID search string, e.g. com.mycompany.appname). [emphasis added]
So in this case the suffix is the full string com.awesomeapps.thebestapp.
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Mongoose's find method with $or condition does not work properly
...se').Types.ObjectId;
var objId = new ObjectId( (param.length < 12) ? "123456789012" : param );
// You should make string 'param' as ObjectId type. To avoid exception,
// the 'param' must consist of more than 12 characters.
User.find( { $or:[ {'_id':objId}, {'name':param}, {'nickname':param} ]},...
How to remove jar file from local maven repository which was added with install:install-file?
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edited Sep 3 at 11:45
shareef
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a...
Deserialize json object into dynamic object using Json.net
... this:
dynamic d = JObject.Parse("{number:1000, str:'string', array: [1,2,3,4,5,6]}");
Console.WriteLine(d.number);
Console.WriteLine(d.str);
Console.WriteLine(d.array.Count);
Output:
1000
string
6
Documentation here: LINQ to JSON with Json.NET
See also JObject.Parse and JArray.Parse
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