大约有 19,000 项符合查询结果（耗时：0.0230秒） [XML]
How to set a default value for a datetime column to record creation time in a migration?
...
Bad form to vote something down and not explain what issue was taken with the answer. Anybody have an idea why this was voted down? It's displaying the syntax if you wanted to change a column instead of creating one.
...
Is it feasible to do (serious) web development in Lisp? [closed]
... one of Common Lisp's strengths today.
As a web server, use Hunchentoot, formerly known as tbnl, by Dr. Edmund Weitz.
You can run it as a back-end to Apache using mod_proxy as a reverse proxy, or as a stand-alone server.
Various HTML generation solutions are available, from PHP-style templates to...
Cross Domain Form POSTing
...topic, and the prevailing commentary is that same-origin policy prevents a form POST across domains. The only place I've seen someone suggest that same-origin policy does not apply to form posts, is here .
...
Jquery to change form action
I have two buttons in a form and two different pages have to be called when they are clicked. when button1 is clicked then page1 must be loaded and when button2 is clicked then page2 must be loaded. i know how to do this in javascript but i have no clue about how to do this in jquery.Can any one he...
“inconsistent use of tabs and spaces in indentation”
...dentation is incredibly bad. Never do that ever (except for languages/file formats that require it). The end.
– Lennart Regebro
Jul 26 '11 at 9:28
...
Change One Cell's Data in mysql
...because the previous answers were a little bit cryptic to me.
The general form of the command you need to use to update a single row's column:
UPDATE my_table SET my_column='new value' WHERE something='some value';
And here's an example.
BEFORE
mysql> select aet,port from ae;
+------------+...
How can I make a .NET Windows Forms application that only runs in the System Tray?
What do I need to do to make a Windows Forms application run in the System Tray?
9 Answers
...
Should MySQL have its timezone set to UTC?
... DST.
Here are some notes I collected of how to work with timezones as a form of cheatsheet for myself and others which might influence what timezone the person will choose for his/her server and how he/she will store date and time.
MySQL Timezone Cheatsheet
Notes:
Changing the timezone will...
Why is division in Ruby returning an integer instead of decimal value?
... This is the fastest method I tested, the only way to get more performance is to divide operands that are floats to begin with. I've built a prime number generator in Ruby in order to learn the syntax, now I'm optimizing it to learn what works best. Here's the benchmark I put together: requ...
Rails: fields_for with index?
...gt;
From:
http://railsapi.com/doc/rails-v3.0.4/classes/ActionView/Helpers/FormHelper.html#M006456
It’s also possible to specify the
instance to be used:
<%= form_for @person do |person_form| %>
...
<% @person.projects.each do |project| %>
<% if project.active? %&g...