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What is the difference between Serializable and Externalizable in Java?
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To add to the other answers, by implementating java.io.Serializable, you get "automatic" serialization capability for objects of your class. No need to implement any other logic, it'll just work. The Java runtime will use reflection to figure out how to ...
How can I get Maven to stop attempting to check for updates for artifacts from a certain group from
...al repository. This can then be overridden at the command line when needed by using the -U switch to force Maven to check for updates.
You would configure the repository (in your pom or a profile in the settings.xml) as follows:
<repository>
<id>central</id>
<url>http:/...
switch case statement error: case expressions must be constant expression
...per solution to the problem - it will break your Android project structure by making what should be libraries to behave like regular apps.
– ADTC
Mar 19 '15 at 18:33
add a com...
Nested JSON objects - do I have to use arrays for everything?
....othertype.id
obj.otherstuff.thing[0][1] //thing is a nested array or a 2-by-2 matrix.
//I'm not sure whether you intended to do that.
share
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difference between scope and namespace of ruby-on-rails 3 routing
...what the difference is between a namespace and a scope in the routing of ruby-on-rails 3.
5 Answers
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Multiple github accounts on the same computer?
...ent repositories, from git 2.13 you can set the email on a directory basis by editing the global config file found at: ~/.gitconfig using conditionals like so:
[user]
name = Pavan Kataria
email = defaultemail@gmail.com
[includeIf "gitdir:~/work/"]
path = ~/work/.gitconfig
And then yo...
Understanding dict.copy() - shallow or deep?
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By "shallow copying" it means the content of the dictionary is not copied by value, but just creating a new reference.
>>> a = {1: [1,2,3]}
>>> b = a.copy()
>>> a, b
({1: [1, 2, 3]}, {1: [1, 2, 3]}...
What are the differences between the different saving methods in Hibernate?
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The answer by jrudolph below is more accurate.
– azerole
Sep 10 '12 at 9:59
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Left Join With Where Clause
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You might find it easier to understand by using a simple subquery
SELECT `settings`.*, (
SELECT `value` FROM `character_settings`
WHERE `character_settings`.`setting_id` = `settings`.`id`
AND `character_settings`.`character_id` = '1') AS cv_value
FR...
Design for Facebook authentication in an iOS app that also accesses a secured web service
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Use https to transmit the auth token to your server, as stated by Facebook
Sharing of Access Tokens
Our Data Policies explicitly prohibit any sharing of an Access Token
for your app with any other app. However, we do allow developers to
share Tokens between a native implemen...