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Rails server says port already used, how to kill that process?
...s what webrick normally uses), type this in your terminal to find out the PID of the process:
$ lsof -wni tcp:3000
Then, use the number in the PID column to kill the process:
$ kill -9 PID
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Postgresql SELECT if string contains
...
You should use 'tag_name' outside of quotes; then its interpreted as a field of the record. Concatenate using '||' with the literal percent signs:
SELECT id FROM TAG_TABLE WHERE 'aaaaaaaa' LIKE '%' || tag_name || '%';
...
How to use OrderBy with findAll in Spring Data
...Entity, Integer> {
public List<StudentEntity> findAllByOrderByIdAsc();
}
The code above should work. I'm using something similar:
public List<Pilot> findTop10ByOrderByLevelDesc();
It returns 10 rows with the highest level.
IMPORTANT:
Since I've been told that it's easy to mi...
INSERT INTO … SELECT FROM … ON DUPLICATE KEY UPDATE
...e, and the second part references the SELECT columns.
INSERT INTO lee(exp_id, created_by, location, animal, starttime, endtime, entct,
inact, inadur, inadist,
smlct, smldur, smldist,
larct, lardur, lardist,
emptyct, emptydur)
SELEC...
How do I toggle an ng-show in AngularJS based on a boolean?
... = !isReplyFormOpen">Reply</a>
<div ng-show="isReplyFormOpen" id="replyForm">
</div>
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javax.xml.bind.UnmarshalException: unexpected element (uri:“”, local:“Group”)
...has to be associated with a schema-namespace as Blaise is noting. Yet, I didnt have a package-info java. So without using the @XMLSchema annotation, I was able to correct this issue by using
@XmlRootElement (name="RetrieveMultipleSetsResponse", namespace = XMLCodeTable.NS1)
@XmlType(name = "ns0", ...
How can I use NSError in my iPhone App?
...or reference with error data and return nil from the method.
Example:
- (id) endWorldHunger:(id)largeAmountsOfMonies error:(NSError**)error {
// begin feeding the world's children...
// it's all going well until....
if (ohNoImOutOfMonies) {
// sad, we can't solve world hunger, ...
Which UUID version to use?
Which version of the UUID should you use? I saw a lot of threads explaining what each version entails, but I am having trouble figuring out what's best for what applications.
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How to convert int[] to Integer[] in Java?
... anyway. I think it comes down to personal preference - I prefer one overridden function, some love using more explicit class.
– Sheepy
Jun 5 '15 at 5:39
2
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How to scroll to bottom in a ScrollView on activity startup
...ne as following:
getScrollView().post(new Runnable() {
@Override
public void run() {
getScrollView().fullScroll(ScrollView.FOCUS_DOWN);
}
});
This way the view is first updated and then scrolls to the "new" bottom.
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