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MySQL remove all whitespaces from the entire column
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To replace all spaces :
UPDATE `table` SET `col_name` = REPLACE(`col_name`, ' ', '')
To remove all tabs characters :
UPDATE `table` SET `col_name` = REPLACE(`col_name`, '\t', '' )
To remove all new line characters :
UPDATE `table` SET `col_name` = REPLACE(`c...
symfony 2 twig limit the length of the text and put three dots
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To append ..., the second parameter should be set to true such as {{ text|truncate(50, true)
– Sithu
May 12 '17 at 15:16
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MySQL error 2006: mysql server has gone away
...umber of times and I've normally found the answer to be a very low default setting of max_allowed_packet.
Raising it in /etc/my.cnf (under [mysqld]) to 8 or 16M usually fixes it. (The default in MySql 5.7 is 4194304, which is 4MB.)
[mysqld]
max_allowed_packet=16M
Note: Just create the line if...
Get Insert Statement for existing row in MySQL
...he only tricky part is that you can only access the icons from the results set panel after a select.
– Half_Duplex
Sep 21 '19 at 20:06
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Git error when trying to push — pre-receive hook declined
...ntainer is you yourself, then it looks like you've got a problem with your setup on the server-side. Please share more information then.
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How to make the division of 2 ints produce a float instead of another int?
In another Bruce Eckels exercise in calculating velocity, v = s / t where s and t are integers. How do I make it so the division cranks out a float?
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How to determine the current shell I'm working on
...are some environmental variables specific to various shells:
$version is set on tcsh
$BASH is set on bash
$shell (lowercase) is set to actual shell name in csh or tcsh
$ZSH_NAME is set on zsh
ksh has $PS3 and $PS4 set, whereas the normal Bourne shell (sh) only has $PS1 and $PS2 set. This generally...
How do I break a string across more than one line of code in JavaScript?
Is there a character in JavaScript to break up a line of code so that it is read as continuous despite being on a new line?
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How do you check what version of SQL Server for a database using TSQL?
...mentioned in the answer posted by Matt Rogish:
DECLARE @ver nvarchar(128)
SET @ver = CAST(serverproperty('ProductVersion') AS nvarchar)
SET @ver = SUBSTRING(@ver, 1, CHARINDEX('.', @ver) - 1)
IF ( @ver = '7' )
SELECT 'SQL Server 7'
ELSE IF ( @ver = '8' )
SELECT 'SQL Server 2000'
ELSE IF ( @v...
What is array to pointer decay?
...e type of the expression from "N-element array of T" to "pointer to T" and sets the value of the expression to the address of the first element of the array. The exceptions to this rule are when an array is an operand of either the sizeof or & operators, or the array is a string literal being u...