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Error installing mysql2: Failed to build gem native extension
...\models\city.rb to look like this
class City < ActiveRecord::Base
set_table_name "city"
end
Edit the file c:\Sites\world\config\database.yml to look like this
development:
adapter: mysql2
encoding: utf8
database: world
pool: 5
username: root
password: root
socket: /tmp/mysql.sock
add to ge...
CSS: Set a background color which is 50% of the width of the window
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Thanks, it helped me to achieve this effect on a table: jsfiddle.net/c9kp2pde
– user2015707
Apr 22 '15 at 15:54
12
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Two inline-block, width 50% elements wrap to second line [duplicate]
...med good, but it breaks in for some cases (not sure why, two 50% divs in a table cell, with nowrap, the 2nd div is displayed outside the cell). With just removing the space between divs (as per tw16's answer), it works...
– Eino Gourdin
Feb 14 '17 at 15:20
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Adding :default => true to boolean in existing Rails column
...ribute == nil ? true : false)) }
Update the migration that created this table, so any future builds of the DB will get it right from the onset. Also run the same process on any deployed-instances of the DB.
If using the "new db migration" method, you can do the update of existing nil-values i...
Overflow-x:hidden doesn't prevent content from overflowing in mobile browsers
...body position:fixed or absolute disturbing their positions as well. Not suitable/working in my case :(
– sohaiby
Sep 14 '16 at 11:47
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How to declare a variable in MySQL?
...ting a column value from calculations
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SELECT count(*) INTO @NR FROM a_table WHERE a_condition;
SET NEW.ord_col = IFNULL( @NR, 0 ) + 1;
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Can I prevent the Firefox developer tools network panel from clearing on page reload?
...ox 57. The setting has been moved to the network tab itself, above the log table
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How do you add swap to an EC2 instance?
... 7248 kB
Active(file): 24132 kB
Inactive(file): 377308 kB
Unevictable: 0 kB
Mlocked: 0 kB
SwapTotal: 1048572 kB
SwapFree: 1048572 kB
Dirty: 0 kB
Writeback: 0 kB
AnonPages: 148368 kB
Mapped: 14304 kB
Shm...
MongoDB, remove object from array
...id" : 3
}
]
}
MY QUERY:->
db.getCollection('play_table').update({},{$pull:{"data":{"id":3}}},{multi:true}
OutPut:->
{
"_id" : ObjectId("5806056dce046557874d3ab18"),
"data" : [
{
"id" : 1
},
{
"id" ...
Replace words in the body text
Is there a way to replace the normal text within a table element that is placed within the body of the HTML?
10 Answers
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