大约有 33,000 项符合查询结果（耗时：0.0451秒） [XML]
What's wrong with foreign keys?
...ut (Crystal Reports) to systems that insert data (not necessarily using an API I've designed; it may be written by a dull-witted manager who has just discovered VBScript and has the SA password for the SQL box). If the database isn't as idiot-proof as it can possibly be, well - bye bye database.
I...
String's Maximum length in Java - calling length() method
... int.
public int length()
Refer http://docs.oracle.com/javase/7/docs/api/java/lang/String.html#length()
So the maximum value of int is 2147483647.
String is considered as char array internally,So indexing is done within the maximum range.
This means we cannot index the 2147483648th member.So...
How do you set EditText to only accept numeric values in Android?
...
android:numeric is deprecated since API 3, see answer to stackoverflow.com/questions/12625380/…
Can you change what a symlink points to after it is created?
...pecific.
On FreeBSD, use mv -h alternately.
Editor's note: This is how Capistrano has done it for years now, ever since ~2.15. See this pull request.
share
|
improve this answer
|
...
How to print to the console in Android Studio?
...nknown property 'Log' for object of type com.android.build.gradle.internal.api.LibraryVariantImpl.
– bigp
Nov 29 '16 at 23:25
7
...
Get last record in a queryset
...
If using django 1.6 and up, its much easier now as the new api been introduced -
Model.object.earliest()
It will give latest() with reverse direction.
p.s. - I know its old question, I posting as if going forward someone land on this question, they get to know this new feature an...
val-mutable versus var-immutable in Scala
...es of accepting stale data, which could be better performance or a simpler API.
– Malte Schwerhoff
Mar 19 '14 at 7:23
|
show 2 more comments...
Is it bad practice to have a constructor function return a Promise?
...ction () {
// actual body of the method
})
}
How it looks from the API consumer perspective:
engine = new Engine({path: '/path/to/posts'})
engine.showPostsOnPage()
This works because you can register multiple callbacks to a promise and they run either after it resolves or, if it's already...
jQuery .on('change', function() {} not triggering for dynamically created inputs
...pre-loaded DOM. You have to pass the selector as document-related variable api.jquery.com/on/#on-events-selector-data
– benftwc
May 30 '18 at 9:45
add a comment
...
What's an Aggregate Root?
...is simple class hierarchy
How do you want to ride your car? Chose better api
Option A (it just somehow works):
car.ride();
Option B (user has access to class inernals):
if(car.getTires().getUsageLevel()< Car.ACCEPTABLE_TIRE_USAGE)
for (Wheel w: car:getWheels()){
w.spin();
}...