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Updating MySQL primary key
...e, user_interactions u write, user_interactions write;
insert into fixit
select user_2, user_1, type, max(timestamp), count(*) n from user_interactions u
group by user_2, user_1, type
having n > 1;
delete u from user_interactions u, fixit
where fixit.user_2 = u.user_2
and fixit.user_1 = u...
How do I include a file over 2 directories back?
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.. selects the parent directory from the current. Of course, this can be chained:
../../index.php
This would be two directories up.
share
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Autoresizing issue of UICollectionViewCell contentView's frame in Storyboard prototype cell (Xcode 6
... after each dequeue ! But this also is not ideal solution because multiple selection do not work as it should visually...
– Renetik
Jan 2 '15 at 14:25
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Gmail Error :The SMTP server requires a secure connection or the client was not authenticated. The s
... Yes, the reason is 2 steps verification switched On for gmail account. Select App/Device and click Generate button support.google.com/accounts/answer/185833
– smily
Dec 25 '15 at 15:34
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What is lazy loading in Hibernate?
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Bydefault lazy loading is true.Lazy loading means when the select query is executed it will not hit the database. It will wait for getter function i.e when we required then ,it will fetch from the datbase.
for example:
You are a parent who has a kid with a lot of toys. But the curren...
Good Linux (Ubuntu) SVN client [closed]
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GUI is nice when you need to commit files selectively, for everything else terminal is good enough. All problems I've had with CLI were due my not understanding what is really happening
– Slartibartfast
Sep 17 '08 at 22:50
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How do you stash an untracked file?
...files are important for eclipse - which is my java editor.
I first of all selectively added my rest of the files and committed for staging. However, final push cannot be performed unless the modified .gitIgnore fiels and the untracked files viz. .project and .classpath are not stashed.
I used
gi...
How can I pass a parameter to a setTimeout() callback?
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I'm not sure why this answer wasn't selected as the best. Using an anonymous function works, sure, but if you can simply pass a third parameter into the original setTimeout function call... why not?
– Kris Schouw
Sep 21 '1...
@Resource vs @Autowired
...tirely, however here is a quick summary of its usefulness:
How annotations select the right implementation?
@Autowired and @Inject
Matches by Type
Restricts by Qualifiers
Matches by Name
@Resource
Matches by Name
Matches by Type
Restricts by Qualifiers (ignored if match is found by name)
Which a...
How do I convert a String object into a Hash object?
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This answer should be selected for avoiding using eval.
– Michael_Zhang
Sep 4 '18 at 21:57
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