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How to avoid “ConcurrentModificationException” while removing elements from `ArrayList` while iterat
... I consider it a good habit to declare as final all variables that are not intended to be reassigned. I only wish "final" were the default.
– Eric Stein
Apr 19 '17 at 14:27
ad...
Is Java “pass-by-reference” or “pass-by-value”?
.../ we pass the object to foo
foo(aDog);
// aDog variable is still pointing to the "Max" dog when foo(...) returns
aDog.getName().equals("Max"); // true
aDog.getName().equals("Fifi"); // false
aDog == oldDog; // true
}
public static void foo(Dog d) {
d.getName().equals("Max");...
How do I delete from multiple tables using INNER JOIN in SQL server
...le. Something like:
begin transaction;
declare @deletedIds table ( id int );
delete from t1
output deleted.id into @deletedIds
from table1 as t1
inner join table2 as t2
on t2.id = t1.id
inner join table3 as t3
on t3.id = t2.id;
delete from t2
from table2 as ...
Insert the carriage return character in vim
...s command, you must precede it with a backslash or else vim (7.1.314) will convert it to the end of line character appropriate for your fileformat setting. ie enter :s/.../\^V^M/g.
– DerfK
Mar 9 '11 at 23:17
...
How to throw std::exceptions with variable messages?
... }
operator std::string () const { return stream_.str(); }
enum ConvertToString
{
to_str
};
std::string operator >> (ConvertToString) { return stream_.str(); }
private:
std::stringstream stream_;
Formatter(const Formatter &);
Formatter & op...
What is the fastest way to create a checksum for large files in C#
.... The sync will be done manually every few weeks. I cant take the filename into consideration because they can change anytime.
...
jQuery Data vs Attr?
...arsed incorrectly in jQuery versions before 1.7.2, and is no longer parsed into a Number as of jQuery 1.8 rc 1.
jQuery 1.8 rc 1 changed the behavior of auto-casting. Before, any format that was a valid representation of a Number would be cast to Number. Now, values that are numeric are only auto-ca...
Spring JPA selecting specific columns
...
You can use projections from Spring Data JPA (doc). In your case, create interface:
interface ProjectIdAndName{
String getId();
String getName();
}
and add following method to your repository
List<ProjectIdAndName> findAll();
...
Access data in package subdirectory
...the Unix convention, i.e. slash-separated. The Distutils will take care of converting this platform-neutral representation into whatever is appropriate on your current platform before actually using the pathname. This makes your setup script portable across operating systems, which of course is one ...
Remove all values within one list from another list? [duplicate]
...ge(10))
y = x - set([2, 3, 7])
# y = set([0, 1, 4, 5, 6, 8, 9])
and then convert back to list, if needed.
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