大约有 40,000 项符合查询结果(耗时:0.0325秒) [XML]
Setting unique Constraint with fluent API?
...t type unique key combination:
[Index("IX_UniqueKeyInt", IsUnique = true, Order = 1)]
public int UniqueKeyIntPart1 { get; set; }
[Index("IX_UniqueKeyInt", IsUnique = true, Order = 2)]
public int UniqueKeyIntPart2 { get; set; }
If the data type is string, then MaxLength attribute must be added:
...
Getting an object from an NSSet
... to get a member (not random), or convert it to an array (in no particular order) with allObjects.
A set is appropriate when you don't want duplicates, don't care about order, and want fast membership testing.
share
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Change priorityQueue to max priorityqueue
...ue<Integer> queue = new PriorityQueue<>(10, Collections.reverseOrder());
queue.offer(1);
queue.offer(2);
queue.offer(3);
//...
Integer val = null;
while( (val = queue.poll()) != null) {
System.out.println(val);
}
The Collections.reverseOrder() provides a Comparator that would sort...
Daylight saving time and time zone best practices [closed]
...e JODA jar file as per this article (joda.org/joda-time/tz_update.html) in order to keep up to date with the latest timezone information. Is there any standard way of downloading the latest timezone data from IANA website (iana.org/time-zones) and rebuilding the joda library? In other words, is it p...
How do I restart nginx only after the configuration test was successful on Ubuntu?
... my case, I have custom compiled nginx and don't even have any scripts in /etc/init.d and so on, so in my case "service nginx reload" won't do anything
– MechanisM
Oct 17 '16 at 21:18
...
nginx showing blank PHP pages
...
This (and, of course, /etc/init.d/nginx restart) also fixed it for me on Debian Testing after an nginx upgrade on 10 September 2014.
– severin
Sep 10 '14 at 15:46
...
Exception thrown in NSOrderedSet generated accessors
... implementation of the add object setter to append correctly to a NSMutableOrderedSet.
- (void)addSubitemsObject:(SubItem *)value {
NSMutableOrderedSet* tempSet = [NSMutableOrderedSet orderedSetWithOrderedSet:self.subitems];
[tempSet addObject:value];
self.subitems = tempSet;
}
Reassi...
How do I filter query objects by date range in Django?
... @dcordjer: Additinally should be said that __range includes the borders (like sql's BETWEEN), if you don't want the borders included you would have to go with my gt/lt solution...
– Bernhard Vallant
Jan 12 '11 at 12:28
...
Link vs compile vs controller
... pass in any available service or dependency into a controller (and in any order), whereas you cannot do that with the link function. Notice the different signatures:
controller: function($scope, $exceptionHandler, $attr, $element, $parse, $myOtherService, someCrazyDependency) {...
vs.
link: fun...
How to ignore HTML element from tabindex?
...
If these are elements naturally in the tab order like buttons and anchors, removing them from the tab order with tabindex=-1 is kind of an accessibility smell. If they're providing duplicate functionality removing them from the tab order is ok, and consider adding ari...
