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Can we pass parameters to a view in SQL?
..._context 'my_num', 2;
SELECT * FROM my_view;
DBFiddle Demo
The same is applicable for Oracle (of course syntax for context function is different).
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No visible cause for “Unexpected token ILLEGAL”
...U+200B characters. It seems the tool uses that character to control word-wrapping on long strings.
UPDATE 2013-01-07
After the latest jsfiddle update, it's now showing the character as a red dot like codepen does. Apparently, it's also not inserting U+200B characters on its own anymore, so this pro...
Is there a way to take a screenshot using Java and save it to some sort of image?
...
I wonder if this is what screen sharing applications like Elluminate (elluminate.com) use.
– Chris Wagner
Apr 22 '10 at 22:25
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How to set default values in Rails?
...use the same default to be set in any model using it in any standard Rails app.
However, if you only want default values set in specific cases -- say, it's an inherited model that shares a table with some others -- then another elegant way is do it directly in your Rails code when the model object ...
Differences between Oracle JDK and OpenJDK
...es which are proprietory for speeding up rendering..(Who ever doing server apps, might be irrelevant for them) Oracle JDK has Applet plugin (Same reason above works) Oracle JDK bugfix/hotfix would be distributed and handle properly by Oracle where As OpenJDK it is little technical to ensure all ...
ActiveModel::ForbiddenAttributesError when creating new user
... required.
You might want to do it like this:
class UsersController < ApplicationController
def create
@user = User.new(user_params)
# ...
end
private
def user_params
params.require(:user).permit(:username, :email, :password, :salt, :encrypted_password)
end
end
...
Auto-reload browser when I save changes to html file, in Chrome?
...assume you're not on OSX? Otherwise you could do something like this with applescript:
http://brettterpstra.com/watch-for-file-changes-and-refresh-your-browser-automatically/
There is also a plugin for chrome called "auto refresh plus" where you can specify a reload every x seconds:
https://chro...
宽度默认980px？手机浏览器及pc浏览器width自适应问题 - 更多技术 - 清泛网...
..., minimum-scale=0.5, maximum-scale=2.0, user-scalable=yes" />
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="format-detection" content="telephone=no" />
第一行：
width=device-width ：表示宽度是设备屏幕的宽度
initial-scale=1.0：表示初始的缩放比...
How do I get the AM/PM value from a DateTime?
...teTime.Now)
This should give you the string value of the time. tt should append the am/pm.
You can also look at the related topic:
How do you get the current time of day?
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Difference between thread's context class loader and normal classloader
...e named class), the library that does the reflection should always ask the application which class loader to use, by receiving the ClassLoader as a parameter from the application. The application (which knows all the classes that need constructing) should pass it getClass().getClassLoader().
Any ot...