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Why a function checking if a string is empty always returns true? [closed]

...ilt-in empty() function for this; see comments and the PHP type comparison tables. share | improve this answer | follow | ...
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Rails: select unique values from a column

...nt a Model object, that would need to be instantiated from a record in the table. But you're not selecting a record just a unique value (from what may be multiple records). – Benissimo Jan 9 '15 at 15:34 ...
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Session timeout in ASP.NET

... You can also read the documentation for event messages and the associated table of events. share | improve this answer | follow | ...
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Set the layout weight of a TextView programmatically

I'm trying to dynamically create TableRow objects and add them to a TableLayout . The TableRow objects has 2 items, a TextView and a CheckBox . The TextView items need to have their layout weight set to 1 to push the CheckBox items to the far right. ...
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What does auto do in margin:0 auto?

...e replacement for the "center" tag. It comes in handy when you need broken tables and non-working centering for blocks and text. share | improve this answer | follow ...
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Datetime equal or greater than today in MySQL

... SELECT * FROM myTable WHERE DATE(myDate) = DATE(NOW()) Read more: http://www.tomjepson.co.uk/tutorials/36/mysql-select-where-date-today.html share | ...
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Difference between two dates in MySQL

... that. here i want to compare end result with my value, like SELECT * FROM table where datediff(today,databasedate) as days =3; something like this – Sooraj Abbasi Jun 16 at 19:34 ...
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java.sql.SQLException: - ORA-01000: maximum open cursors exceeded

...re bugs; increasing the number of cursors on the DB simply delays the inevitable failure. Leaks can be found using static code analysis, JDBC or application-level logging, and database monitoring. Background This section describes some of the theory behind cursors and how JDBC should be used. ...
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How do I lowercase a string in C?

... @J.F.: i see, they've used table, but i can optimize: for ( ; *p; ++p) if(*p > 'Z') {continue;} else if (*p < 'A') {continue;} else {*p = *p|0x60;} – Oleg Razgulyaev Apr 18 '10 at 20:27 ...
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center aligning a fixed position div

...ake a new static div with margin-left: auto and margin-right: auto, or for table make it align="center". Tadaaaah, you have centered your fixed div now Hope this will help. share | improve this an...