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Alter MySQL table to add comments on columns
...SQL
server maintains. The INFORMATION_SCHEMA database contains several
read-only tables. They are actually views, not base tables, so there
are no files associated with them, and you cannot set triggers on
them. Also, there is no database directory with that name.
Although you can selec...
Which characters need to be escaped when using Bash?
...mmand: sed -e 's/./\\&/g; 1{$s/^$/""/}; 1!s/^/"/; $!s/$/"/'.
2b. More readable version of 2
There's an easy safe set of characters, like [a-zA-Z0-9,._+:@%/-], which can be left unescaped to keep it more readable
I\'m\ a\ s@fe\ \$tring\ which\ ends\ in\ newline"
"
sed command: LC_ALL=C sed -...
Javascript set img src
...bably missing something simple but it's quite annoying when everything you read doesn't work. I have images which may be duplicated many times over the course of a dynamically generated page. So the obvious thing to do is to preload it and use that one variable as the source all the time.
...
How to configure an existing git repo to be shared by a UNIX group
... # set the group
chmod -R g+rw repodir # allow the group to read/write
chmod g+s `find repodir -type d` # new files get group id of directory
git init --bare --shared=all repodir # sets some important variables in repodir/config ("core.sharedRepository=2" and "receive.denyNonFastf...
nano error: Error opening terminal: xterm-256color
...I, too, have this problem on an older Mac that I upgraded to Lion.
Before reading the terminfo tip, I was able to get vi and less working by doing "export TERM=xterm".
After reading the tip, I grabbed /usr/share/terminfo from a newer Mac that has fresh install of Lion and does not exhibit this pro...
Values of disabled inputs will not be submitted
...
Yes, all browsers should not submit the disabled inputs, as they are read-only.
More information (section 17.12.1)
Attribute definitions
disabled [CI] When set for a form control, this Boolean attribute
disables the control for user input. When set, the disabled attribute
has the...
Choosing a Java Web Framework now? [closed]
...sing "Spring Roo" or "Play" will be very helpful.
About Spring Roo, I've read previous answers like Spring roo Vs (Wicket and Spring) and other things over the Internet but I'm still not convinced (maybe I don't get it), I'm not sure of its maturity, and, more important, I'm really wondering what ...
Real World Example of the Strategy Pattern
I've been reading about the OCP principal and how to use the strategy pattern to accomplish this.
17 Answers
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How do I turn off the unlimited whitespace in IntelliJ editor?
...tcut is correct but didn't seem to work :/
– Matthew Read
Sep 1 '16 at 18:37
...
Pros and cons to use Celery vs. RQ [closed]
...riority queues. RQs priority queue model is simple and effective - workers read from queues in order. Celery requires spinning up multiple workers to consume from different queues. Both approaches work
OS Support. Celery is the clear winner here, as RQ only runs on systems that support fork e.g. Un...