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Hibernate Error: org.hibernate.NonUniqueObjectException: a different object with the same identifier
...mary key combination (column 1 and column 2). Now, you have removed 5 rows from the table at some point of time. Now, if you try to add the same 10 rows again, while hibernate tries to persist the objects in database, 5 rows which were already removed will be added without errors. Now the remaining ...
Run R script from command line
...@Dason I am also working with R script and I am trying to execute R script from Java program and I am seeing some error. Here is my question. See if you can help out. I am using your hello function example for now to make it simple.
– user1950349
Sep 16 '15 at ...
What is the difference between null and undefined in JavaScript?
...null;
alert(TestVar); //shows null
alert(typeof TestVar); //shows object
From the preceding examples, it is clear that undefined and null are two distinct types: undefined is a type itself (undefined) while null is an object.
null === undefined // false
null == undefined // true
null === null // ...
How do I create and read a value from cookie?
How can I create and read a value from a cookie in JavaScript?
19 Answers
19
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Difference between Hashing a Password and Encrypting it
... silky: and how exactly are you going to get the original password back from your lousy hash function? I suggest you reread Dave's comment
– Vinko Vrsalovic
Sep 8 '09 at 6:28
1
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When to use DataContract and DataMember attributes?
...ll stop working - as soon as you have a single [DataMember] in your class, from that point on, only those properties with this attribute will be serialized.
– marc_s
May 16 '12 at 15:37
...
Delete last commit in bitbucket
...o cause them significant annoyance), then it is possible to remove commits from bitbucket branches.
If you're trying to change a non-master branch:
git reset HEAD^ # remove the last commit from the branch history
git push origin :branch_name # delete the branch from bitbucket
git pu...
Changing Java Date one hour back
...e java.time types, call the conversion methods. Here is example code going from an Instant or a ZonedDateTime to a java.util.Date.
java.util.Date date = java.util.Date.from( instant );
…or…
java.util.Date date = java.util.Date.from( zdt.toInstant() );
About java.time
The java.time frame...
Getting value of HTML Checkbox from onclick/onchange events
From within onClickHandler and/or onChangeHandler , how can I determine what is the new state of the checkbox?
3 Answers...
Should we use Nexus or Artifactory for a Maven Repo?
...al sources but need only one or two entries in your settings.xml
Deploying from Maven works out of the box (no need for WebDAV hacks, etc).
it's free
You can redirect access paths (i.e. some broken pom.xml requires "a.b.c" from "xxx"). Instead of patching the POM, you can fix the bug in Nexus and re...