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Mongodb Explain for Aggregation framework
...gate(
[ ...your pipeline...],
{ explain: true }
)
Thanks to Rafa, I know that it was possible to do even in 2.4, but only through runCommand(). But now you can use aggregate as well.
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i...
How does Spring Data JPA differ from Hibernate for large projects?
...ing to your repositories package (it looks for *Impl classes automatically now):
@Configuration
@EnableJpaRepositories(basePackages = {"com.examples.repositories"})
@EnableTransactionManagement
public class MyConfiguration {
}
jpa-repositories.xml - tell Spring where to find your repositories. Al...
ssh remote host identification has changed
...gen man page:
-R hostname Removes all keys belonging to hostname from a known_hosts file. This option is useful to delete hashed hosts (see the -H option above).
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Why can't I use switch statement on a String?
...kely had to do with performance.
Implementation in JDK 7
The feature has now been implemented in javac with a "de-sugaring" process; a clean, high-level syntax using String constants in case declarations is expanded at compile-time into more complex code following a pattern. The resulting code use...
What are Transient and Volatile Modifiers?
...to them." Your sentence suggest that threads don't have access by default. Now I read the link and the other answer I understand: compiler don't do any kind of thread-specific intermediate storage of the variable so other threads can see the changes inmediatly.
– helios
...
Using emit vs calling a signal as if it's a regular function in Qt
...
Do you know if there was ever an implementation (or a planned implementation) of an emit that actually did more than nothing? I find that having the 'syntactic sugar' in this case just confuses the novice (or at least me when I was ...
jquery input select all on focus
... the rub is that we really do want to handle the focus event. It lets us know the first time that someone has entered the field. After that point, we don't want to continue to override user selection behavior.
The Solution:
Instead, within the focus event handler, we can quickly attach listeners f...
How to deal with page breaks when printing a large HTML table
...eherrera and Chrisbloom7. I applied the combination of your answers and it now works!
– Nurhak Kaya
Aug 3 '16 at 8:31
...
Mod of negative number is melting my brain
...erator is actually NOT a modulo, it's remainder. " Thanks, it makes sense now, always wonder why it never worked properly with negative numbers.
– leetNightshade
Apr 1 '12 at 23:36
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Why is the use of tuples in C++ not more common?
...
I don't know the specifics of what you're seeing, but I'm guessing that the parts people are using like crazy are features they really, really wanted. Thus (again, guessing) the popularity of the hash map, the counted pointer, and th...