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How does MySQL process ORDER BY and LIMIT in a query?
... we are not satisfied with that, so we ask mysql to sort it one more time. Now we have the newest result on the last row.
select t.article
from
(select article, publish_date
from table1
order by publish_date desc limit 10) t
order by t.publish_date asc;
If you need all columns,...
Serving static files with Sinatra
...I want to deploy the app to Heroku, but I cannot find a way to do it. I am now trying to make the app working with Sinatra.
...
How to debug apk signed for release?
...ow to do it and have been unable to find any articles online. Does anyone know how this can be done?
6 Answers
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Why are exclamation marks used in Ruby methods?
...downcase, but no change in value of foo.
=> foo #call the variable foo now.
"BEST DAY EVER" #variable is unchanged.
=> foo.downcase! #call destructive version.
=> foo #call the variable foo now.
"best day ever" #variable has been mutated in place.
But if you ever called a method down...
How to pass anonymous types as parameters?
...rongly typed, so if, for example, Name changes to EmployeeName, you won't know there's a problem until runtime.
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Set Page title using UI-Router
...nother way of doing this by combining most of the answers here already. I know this is already answered but I wanted to show the way I dynamically change page titles with ui-router.
If you take a look at ui-router sample app, they use the angular .run block to add the $state variable to $rootScope....
docker mounting volumes on host
...the following:
docker run --volumes-from some-volume docker-image-name:tag
Now you have a docker container running that will have the volume from some-volume mounted in /var/lib/mysql
Note: Using --volumes-from will mount the volume over whatever exists in the location of the volume. I.e., if you ...
Undefined behavior and sequence points
...s answer is a bit long. So have patience while reading it. If you already know these things, reading them again won't make you crazy.
Pre-requisites : An elementary knowledge of C++ Standard
What are Sequence Points?
The Standard says
At certain specified points in the execution sequenc...
Prevent double submission of forms in jQuery
...
Timing approach is wrong - how do you know how long the action will take on client's browser?
How to do it
$('form').submit(function(){
$(this).find(':submit').attr('disabled','disabled');
});
When form is submitted it will disable all submit buttons inside....
Programmer-friendly search engine? [closed]
...try stackse. I'm the author and it is work in progress, but it's usable by now.
– ren
Feb 25 '16 at 15:08
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