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What are the disadvantages of using persistent connection in PDO
...tion die when the script terminates abnormally.
If the dead script locked tables, those tables will remain locked until the connection dies or the next script that gets the connection unlocks the tables itself.
If the dead script was in the middle of a transaction, that can block a multitude of ta...
How to customize the background color of a UITableViewCell?
...ike to customize the background (and maybe the border too) of all of the UITableViewCells within my UITableView. So far I have not been able to customize this stuff, so I have a bunch of white background cells which is the default.
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Alter column, add default constraint
I have a table and one of the columns is "Date" of type datetime. We decided to add a default constraint to that column
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NULL values inside NOT IN clause
...s one using a not in where constraint and the other a left join . The table in the not in constraint had one null value (bad data) which caused that query to return a count of 0 records. I sort of understand why but I could use some help fully grasping the concept.
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Select last row in MySQL
How can I SELECT the last row in a MySQL table?
10 Answers
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What is the difference between NTFS Junction Points and Symbolic Links?
...ts, but Junction Points most definitely are not Symbolic Links! Oh and the table is wrong on one count also. The target of a Junction Point must exist upon creation, but it may indeed be removed later on.
– 0xC0000022L
Oct 22 '18 at 11:50
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Add timestamps to an existing table
I need to add timestamps ( created_at & updated_at ) to an existing table. I tried the following code but it didn't work.
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How to get size of mysql database?
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Run this query and you'll probably get what you're looking for:
SELECT table_schema "DB Name",
ROUND(SUM(data_length + index_length) / 1024 / 1024, 1) "DB Size in MB"
FROM information_schema.tables
GROUP BY table_schema;
This query comes from the mysql forums, where there are more c...
Calling closure assigned to object property directly
...d call. There seems to be no workaround for making -> bypass the method table and access the attributes instead.
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How does Apple know you are using private API?
...y's trying to import (info no doubt easily available to them in the symbol table thereof) and ding you if any of those symbols are found in their "private API list". Pretty easy to automate, in fact.
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