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When to use AtomicReference in Java?
...n when your thread resumes, you clobber the work of the other thread. But honestly that code will work, it looks clean, and it would make most people happy.
Slight problem. It is slow. Especially if there is a lot of contention of that lock Object. Thats because most locks require an OS system...
How to restore to a different database in sql server?
I have a backup of Database1 from a week ago. The backup is done weekly in the scheduler and I get a .bak file. Now I want to fiddle with some data so I need to restore it to a different database - Database2 .
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How to sort Map values by key in Java?
...ation order.... why not we using LinkedHashSet ? We just put the questions one by one, and it is getting ordered by the order of the insertation. Can some help me out with this ?
– Karoly
Jun 19 '15 at 13:15
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AngularJS Folder Structure [closed]
...n you are looking for the code that makes a feature work, it is located in one place. Services are a bit different as they “service” many features. I like this once my app starts to take shape as it becomes a lot easier to manage for me.
A well written blog post: http://www.johnpapa.net/angular...
JdbcTemplate queryForInt/Long is deprecated in Spring 3.2.2. What should it be replaced by?
... the the following implementation is essentially equivalent to the current one:
@Deprecated
public int queryForInt(String sql, Object... args) throws DataAccessException {
return queryForObject(sql, args, Integer.class);
}
And then the non deprecated code now must be replaced with the ugly:
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How to measure time in milliseconds using ANSI C?
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It's worth noting that timeval::tv_usec is always under one second, it's looping. I.e. in order to take differences of time larger than 1 sec, you should: long usec_diff = (e.tv_sec - s.tv_sec)*1000000 + (e.tv_usec - s.tv_usec);
– Alexander Malakhov
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Problems with contenttypes when loading a fixture in Django
...thout the --natural option and it worked. Also the documentation here says one should use this option if DUMPING auth.permission and contenttypes.
– wlnirvana
Dec 26 '14 at 5:05
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GetHashCode Guidelines in C#
...why the hash code must not change for the lifetime of the object, and just one reason why writing GetHashCode implementations is a pain in the butt.
Update
Eric Lippert has posted a blog that gives excellent information on GetHashCode.
Additional Update
I've made a couple of changes above:
I ma...
Does Internet Explorer 8 support HTML 5?
...answered Nov 14 '08 at 8:04
hsivonenhsivonen
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How to convert int[] to Integer[] in Java?
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Native Java 8 (one line)
With Java 8, int[] can be converted to Integer[] easily:
int[] data = {1,2,3,4,5,6,7,8,9,10};
// To boxed array
Integer[] what = Arrays.stream( data ).boxed().toArray( Integer[]::new );
Integer[] ever = IntStream...