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selecting unique values from a column
I have a MySQL table which contains the following type of information:
9 Answers
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Python read-only property
...t responsible user would set attr that literally can be set and will raise error somewhere else in code due to his set. So in the end both attr cannot be set. Should I use property on both or don't use it on any?
– Rafał Łużyński
Jan 30 '13 at 0:12
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How to create JSON string in JavaScript?
...this, I am trying to create JSON string just to play around. It's throwing error, but if I put all the name, age, married in one single line (line 2) it doesn't. Whats the problem?
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How to drop unique in MySQL?
... able to drop a key like this if a foreign key to the email column exists (error 150) . To get this to work, drop the foreign key first, then drop the index, and recreate the foreign key afterwards. e.g ALTER TABLE fuinfo DROP foreign key fk_name_for_email;
– Brad Parks
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SQL parser library for Java [closed]
Is there an open-source Java library for parsing SQL statements?
7 Answers
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What's the need of array with zero elements?
... change.
– Shahbaz
Feb 12 '13 at 13:05
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What is the result of % in Python?
...3 in Python.
– azam
Aug 3 '16 at 13:05
Can you please explain why -11%5 = 4 ??
– dahiya_boy
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What's the difference between utf8_general_ci and utf8_unicode_ci?
...ts.
– thomasrutter
Oct 11 '15 at 23:05
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I would disagree that using the newer, more standards-c...
Correct owner/group/permissions for Apache 2 site files/folders under Mac OS X?
... the /Users/username directory level before ls stopped throwing permission error. Wonder why?
– bhavinb
Nov 29 '12 at 13:50
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How to check for an undefined or null variable in JavaScript?
...e between cases:
Variables can be undefined or undeclared. You'll get an error if you access an undeclared variable in any context other than typeof.
if(typeof someUndeclaredVar == whatever) // works
if(someUndeclaredVar) // throws error
A variable that has been declared but not initialized is...