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Swapping column values in MySQL
...ocs, It's not safe to assign and read variables in a single statement. The order of operations is not guaranteed. So the only safe method is #4
– AMIB
Jan 27 '13 at 10:01
...
Cross-browser multi-line text overflow with ellipsis appended within a fixed width and height
... on jsfiddle.net/AdrienBe/jthu55v7/
Many people went to great efforts in order to make this happen using CSS only. See articles and questions about it:
css-tricks.com/line-clampin : 5 stars article on line camplin
mobify.com/blog/multiline-ellipsis-in-pure-css : CSS only
cssmojo.com/line-clamp_f...
How can I merge two hashes without overwritten duplicate keys in Ruby?
...
Here you can merge your 2 hash by reverse_merge
order = {
id: 33987,
platform: 'web'
}
user = {
name: 'Jhon Doe',
email: 'jhon.doe@gmail.com'
}
newHash = oder.reverse_merge!(user)
render json: { data: newHash, status: 200 }
...
Difference between core and processor
...), maintaining the correct program state, registers, and correct execution order, and performing the operations through ALUs. For optimization purposes, a core can also hold on-core caches with copies of frequently used memory chunks.
A CPU may have one or more cores to perform tasks at a given ti...
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'
...e worked for me as well, but still not sure where to find the error log in order to figure out the cause and try to prevent it from happening again...
– Maleka
Mar 9 '19 at 10:40
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How to wait for a keypress in R?
...i = ui, server = server))
print("He waited for you to press the button in order to print this")
To my experience, this has a unique characteristic: even if you ran a script that had code written following the runApp function, it will not run until you've pressed the button in the app (button tha...
What are the best practices for structuring a large Meteor app with many HTML template files? [close
...iles are loaded last. This will help ensure that you do not have any load order issues. See the Meteor documentation, http://docs.meteor.com/#structuringyourapp, for more details.
share
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improve ...
How to run the sftp command with a password from Bash script?
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I was recently asked to switch over from ftp to sftp, in order to secure the file transmission between servers. We are using Tectia SSH package, which has an option --password to pass the password on the command line.
example : sftp --password="password" "userid"@"servername"
Bat...
How to set Java environment path in Ubuntu
...'t work for me and the previous version remained as default. I changed the order of the path to export PATH=${JAVA_HOME}/bin:${PATH} and the version got updated. I think left to right priority works here.
– Ridhuvarshan
Dec 6 '17 at 9:00
...
Force R to stop plotting abbreviated axis labels - e.g. 1e+00 in ggplot2
...ayed, as opposed to scales::comma which only does comma separations of the orders of magnitude.
For example:
require(ggplot2)
require(scales)
df <- data.frame(x=seq(1, 1e9, length.out=100), y=sample(100))
# Here we define spaces as the big separator
point <- format_format(big.mark = " ", de...