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How to display loading message when an iFrame is loading?
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edited Jun 3 '19 at 18:01
Felipe Augusto
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MySQL: Fastest way to count number of rows
...SELECT:
SELECT SQL_CALC_FOUND_ROWS [needed fields or *] FROM table LIMIT 20 OFFSET 0;
After you have selected needed rows, you can get the count with this single query:
SELECT FOUND_ROWS();
FOUND_ROWS() has to be called immediately after the data selecting query.
In conclusion, everything a...
Format date in a specific timezone
...t in Manto's answer, .utcOffset() is the preferred method as of Moment 2.9.0. This function uses the real offset from UTC, not the reverse offset (e.g., -240 for New York during DST). Offset strings like "+0400" work the same as before:
// always "2013-05-23 00:55"
moment(1369266934311).utcOffset(6...
how to remove shared preference while application uninstall in android
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SharedPreferences is always deleted along with the app uninstall.
When you uninstall any applic...
Testing web application on Mac/Safari when I don't own a Mac
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How should I escape strings in JSON?
...aracters you must escape are \, ", and control codes (anything less than U+0020).
This structure of escaping is specific to JSON. You'll need a JSON specific function. All of the escapes can be written as \uXXXX where XXXX is the UTF-16 code unit¹ for that character. There are a few shortcuts, suc...
How to cast an Object to an int
...ce between autoboxing and casting?
Autoboxing: So I can write: Integer i = 0; instead of: Integer i = new Integer(0);
Convert Object into primitive int
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All possible array initialization syntaxes
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805
These are the current declaration and initialization methods for a simple array.
string[] arra...
What does bundle exec rake mean?
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answered Jul 5 '11 at 20:49
ghoppeghoppe
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