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How can I add comments in MySQL?
...or table 'accesslog'
--
CREATE TABLE accesslog (
aid int(10) NOT NULL auto_increment COMMENT 'unique ID for each access entry',
title varchar(255) default NULL COMMENT 'the title of the page being accessed',
path varchar(255) default NULL COMMENT 'the local path of teh page being accessed',
....
)...
Remove all special characters from a string in R?
...e unwanted characters. For the most easily readable code, you want the str_replace_all from the stringr package, though gsub from base R works just as well.
The exact regular expression depends upon what you are trying to do. You could just remove those specific characters that you gave in the qu...
How to download Xcode DMG or XIP file?
...
download.developer.apple.com/Developer_Tools/Xcode_9/…
– Ruchish Shah
Sep 19 '17 at 19:33
6
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AngularJS - How can I reference the property name within an ng-Repeat
... edited Apr 7 '15 at 5:31
d-_-b
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answered Oct 29 '12 at 16:04
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nginx error “conflicting server name” ignored [closed]
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fixed the issue for me on Ubuntu 12.04 x86_64 + nginx
– Stephen Sprinkle
Jan 10 '13 at 5:16
1
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Tooltip on image
...x: 1;
}
.tooltip:hover .tooltiptext {
visibility: visible;
}
.size_of_img{
width:90px}
</style>
<body style="text-align:center;">
<p>Move the mouse over the text below:</p>
<div class="tooltip"><img class="size_of_img" src="https://babeltechreview...
How to convert Hexadecimal #FFFFFF to System.Drawing.Color [duplicate]
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string hex = "#FFFFFF";
Color _color = System.Drawing.ColorTranslator.FromHtml(hex);
Note: the hash is important!
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How can I restore /etc/nginx? [closed]
...f dpkg.
sudo dpkg --force-confmiss -i /var/cache/apt/archives/nginx-common_*.deb
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SQL WITH clause example [duplicate]
...of the SQL WITH clause when using a single sub-query alias.
WITH <alias_name> AS (sql_subquery_statement)
SELECT column_list FROM <alias_name>[,table_name]
[WHERE <join_condition>]
When using multiple sub-query aliases, the syntax is as follows.
WITH <alias_name_A> AS (sq...
Rename a table in MySQL
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The mysql query for rename table is
Rename Table old_name TO new_name
In your query, you've used group which one of the keywords in MySQL.
Try to avoid mysql keywords for name while creating table, field name and so on.
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