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How do you create a Distinct query in HQL
...inner join foo.bars as b" +
" where f.creationDate >= ? and f.creationDate < ? and b.bar = ?";
return getHibernateTemplate().find(queryString, new Object[] {startDate, endDate, bar});
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What is the meaning of #XXX in code comments?
...have seen this a lot in code, even vim marks it as a special case. #TODO and #FIXME are two other fix markers vim highlights but what does #XXX mean?
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How to implement a ConfigurationSection with a ConfigurationElementCollection
I am trying to implement a custom configuration section in a project and I keep running up against exceptions that I do not understand. I am hoping someone can fill in the blanks here.
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How to insert a SQLite record with a datetime set to 'now' in Android application?
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In my code I use DATETIME DEFAULT CURRENT_TIMESTAMP as the type and constraint of the column.
In your case your table definition would be
create table notes (
_id integer primary key autoincrement,
created_date date default CURRENT_DATE
)
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JavaScript isset() equivalent
...l also evaluate to false if array.foo does exists but is false or 0 (and probably other values as well).
24 Answers
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Why does Haskell's “do nothing” function, id, consume tons of memory?
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We know the type of id,
id :: a -> a
And when we specialize this for id id, the left copy of id has type:
id :: (a -> a) -> (a -> a)
And then when you specialize this again for the leftmost id in id id id, you get:
id :: ((a -> a) -> (a -> ...
HAProxy redirecting http to https (ssl)
I'm using HAProxy for load balancing and only want my site to support https. Thus, I'd like to redirect all requests on port 80 to port 443.
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How do I keep Python print from adding newlines or spaces? [duplicate]
...all sys.stdout.flush() because otherwise it will hold the text in a buffer and you won't see it.
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C++0x has no semaphores? How to synchronize threads?
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You can easily build one from a mutex and a condition variable:
#include <mutex>
#include <condition_variable>
class semaphore
{
private:
std::mutex mutex_;
std::condition_variable condition_;
unsigned long count_ = 0; // Initialized as ...
How can one see the structure of a table in SQLite? [duplicate]
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Invoke the sqlite3 utility on the database file, and use its special dot commands:
.tables will list tables
.schema [tablename] will show the CREATE statement(s) for a table or tables
There are many other useful builtin dot commands -- see the documentation at http://ww...