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What are the First and Second Level caches in Hibernate?
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1.1) First-level cache
First-level cache always Associates with the Session object. Hiberna...
What is the difference between Trap and Interrupt?
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A trap is an exception in a user process. It's caused by division by zero or invalid memory acc...
Mac OS X - EnvironmentError: mysql_config not found
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Ok, well, first of all, let me check if I am on the same page as you:
You installed python
You did brew install mysql
You did expor...
Return all enumerables with yield return at once; without looping through
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answered Aug 13 '09 at 5:30
Jon SkeetJon Skeet
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Android: What is better - multiple activities or switching views manually?
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answered Jan 15 '10 at 14:49
Dan LewDan Lew
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How do I add a foreign key to an existing SQLite table?
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You can't.
Although the SQL-92 syntax to add a foreign key to your table would be as follows...
CSS3 box-sizing: margin-box; Why not?
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Couldn't you use width: calc(50% - 24px); for your cols? Then set your margins.
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No visible cause for “Unexpected token ILLEGAL”
...ible character in the code, right after the semicolon. It's the Unicode U+200B Zero-width space character (a.k.a. ZWSP, HTML entity ​). That character is known to cause the Unexpected token ILLEGAL JavaScript syntax error.
And where did it come from?
I can't tell for sure, but my bet is on...
How many database indexes is too many?
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edited Sep 27 '08 at 9:10
answered Sep 26 '08 at 18:52
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adb not finding my device / phone (MacOS X)
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Additonal Update : Do not underestimate the value of a good USB cable. Sometimes just swapping cables will help.
Update for newer ver...