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Jump to function definition in vim
... mentioned you have to use ctags.
You could also consider using plugins to select appropriate one or to preview the definition of the function under cursor.
Without plugins you will have a headache trying to select one of the hundreds overloaded 'doAction' methods as built in ctags support doesn't ...
PostgreSQL wildcard LIKE for any of a list of words
... can use Postgres' SIMILAR TO operator which supports alternations, i.e.
select * from table where lower(value) similar to '%(foo|bar|baz)%';
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Why does PostgreSQL perform sequential scan on indexed column?
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If the SELECT returns more than approximately 5-10% of all rows in the table, a sequential scan is much faster than an index scan.
This is because an index scan requires several IO operations for each row (look up the row in the ...
HTML5 Canvas vs. SVG vs. div
...ample, let's say I want to create a rectangle, circle and polygon and then select those objects and move them around.
8 Ans...
Check image width and height before upload with Javascript
... return false;
}
} else {
alert("Please select a valid Image file.");
return false;
}
}
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What is the difference between CascadeType.REMOVE and orphanRemoval in JPA?
... and remove the post entity:
Post post = entityManager.createQuery("""
select p
from Post p
join fetch p.comments
where p.id = :id
""", Post.class)
.setParameter("id", postId)
.getSingleResult();
entityManager.remove(post);
Hibernate is going to execute three delete statements:...
'Microsoft.ACE.OLEDB.12.0' provider is not registered on the local machine
...bit shell:
(New-Object system.data.oledb.oledbenumerator).GetElements() | select SOURCES_NAME, SOURCES_DESCRIPTION
and you will see which provider your system can use
the long story:
the strings can be found with http://live.sysinternals.com/strings.exe
eg. on a 64bit System with 32bit drivers...
Xcode : failed to get the task for process
...two Provisioning Profiles for the same name, Xcode5 will only allow you to select one of them. To work around this, you have to use iPhone Configuration Utility to find the Profile you want, find the 30-digit "Profile Identifier" and copy/paste it into the "Other" value of the Provisioning Profile d...
How do I rename the android package name? [duplicate]
...anifest.xml.
place your cursor in the package name like shown below don't select it just place it.
Then press shift+F6 you will get a popup window as shown below select
Rename package.
Enter your new name and select Refactor.
(Note since my cursor is on "something" only something is rena...
Indexes of all occurrences of character in a string
...System.out.println(index);
}
[Note: if guess can be longer than a single character, then it is possible, by analyzing the guess string, to loop through word faster than the above loops do. The benchmark for such an approach is the Boyer-Moore algorithm. However, the conditions that would favor usi...