d.raev

d.raev has asked 13 questions and find answers to 13 problems.

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d.raev questions

is it safe to use 31 for "last day of the month" when comparing dates in MySQL
Similar names in a huge list
ADD COLUMN with DEFAULT value to a huge table
order sql tree hierarchy
GROUP_CONCAT with limit

d.raev answers

How to count how many integer elements in array that are equal in java?
How to validate a price (money amount) mySql decimal column in Yii?
How to run JavaScript method in java?(I need to create program to download about 10k tracks) [closed]
Yii test. Truncate foreign keys
CSS/HTML: Disable link "hover" text
Yii2: How to cache queries made by ActiveRecord relations
ExtJS - Lining up form elements in FormPanel column layout
Where can I find the MySQL log file in XAMPP
How can I set the process name for a Java-program? [duplicate]
IE8 Developer Tools not able to select?