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Spring mvc @PathVariable
...xample, if the URL to retrieve a book using a unique number would be:
URL:http://localhost:8080/book/9783827319333
The number denoted at the last of the URL can be fetched using @PathVariable as shown:
@RequestMapping(value="/book/{ISBN}", method= RequestMethod.GET)
public String showBookDetail...
Why specify @charset “UTF-8”; in your CSS file?
...
This is useful in contexts where the encoding is not told per HTTP header or other meta data, e.g. the local file system.
Imagine the following stylesheet:
[rel="external"]::after
{
content: ' ↗';
}
If a reader saves the file to a hard drive and you omit the @charset rule, mos...
Why does AuthorizeAttribute redirect to the login page for authentication and authorization failures
...Mvc.AuthorizeAttribute was doing the right thing -
older revisions of the HTTP specification used status code 401 for both "unauthorized" and "unauthenticated".
From the original specification:
If the request already included Authorization credentials, then the 401 response indicates that aut...
Center Oversized Image in Div
...ulated with respect to width.
Browser compatibility should be no problem:
https://caniuse.com/#feat=transforms2d
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Convert UTC/GMT time to local time
... look into using the System.TimeZoneInfo class if you are in .NET 3.5. See http://msdn.microsoft.com/en-us/library/system.timezoneinfo.aspx. This should take into account the daylight savings changes correctly.
// Coordinated Universal Time string from
// DateTime.Now.ToUniversalTime().ToString("u...
Android - Start service on boot
...
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="pack.saltriver" android:versionCode="1" android:versionName="1.0">
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
<a...
Export/import jobs in Jenkins
...
Probably use jenkins command line is another option, see https://wiki.jenkins-ci.org/display/JENKINS/Jenkins+CLI
create-job: Creates a new job by reading stdin as a configuration XML file.
get-job: Dumps the job definition XML to stdout
So you can do
java -jar jenkins-cli.jar...
What's the fastest way to convert String to Number in JavaScript?
...oat(x);
+x;
By this quick test I made, it actually depends on browsers.
http://jsperf.com/best-of-string-to-number-conversion/2
Implicit marked the fastest on 3 browsers, but it makes the code hard to read… So choose whatever you feel like it!
...
Rails - Validate Presence Of Association?
...
You can use validates_presence_of http://apidock.com/rails/ActiveModel/Validations/ClassMethods/validates_presence_of
class A < ActiveRecord::Base
has_many :bs
validates_presence_of :bs
end
or just validates
http://apidock.com/rails/ActiveModel/Vali...
java.lang.OutOfMemoryError: bitmap size exceeds VM budget - Android
...ooking at your code. However, this article has some tips that might help:
http://android-developers.blogspot.de/2009/01/avoiding-memory-leaks.html
In particular, using static variables is likely to make things worse, not better. You might need to add code that removes callbacks when your applicati...