大约有 32,294 项符合查询结果（耗时：0.0599秒） [XML]
jQuery, simple polling example
... setinterval would make an ajax call every 5 seconds no matter what. the way have written it (which i believe is good practice) will wait for the results THEN make another ajax request 5 seconds later. there are times i would use setinterval, but this is not one of them. we should not be...
Get integer value of the current year in Java
...
What about concurrency, what if other thread/piece of library code changes current time? Wouldn't it be reasonable to modify it to something like: Calendar c = Calendar.getInstance(); synchronized (c) {c.setTimeInMillis(Syste...
Replace transparency in PNG images with white background
...ant the artifacts. Of course it's easy to do this in Gimp or Photoshop or whatever, but I'd really rather script it from the command line because there are many of these things.
...
linq query to return distinct field values from a list of objects
...LINQ to Objects though.
You can use a grouping or a lookup, it's just somewhat annoying and inefficient:
var distinct = list.GroupBy(x => x.typeID, (key, group) => group.First());
share
|
i...
How do I force git pull to overwrite everything on every pull?
...gin master
git reset --hard FETCH_HEAD
git clean -df
(Altering master to whatever branch you want to be following.)
pull is designed around merging changes together in some way, whereas reset is designed around simply making your local copy match a specific commit.
You may want to consider sligh...
Foreign keys in mongo?
...u to decide how to organise the data and its relations, if there are any.
What Mongoid and MongoMapper do is to provide you with convenient methods to set up relations quite easily. Check out the link I gave you and ask any thing.
Edit:
In mongoid you will write your scheme like this:
class Stud...
Is the != check thread safe?
... this respect. Thirdly: you use the term "JRE", but I don't think it means what you think it means . . .
– ruakh
Aug 27 '13 at 15:41
2
...
How to sum array of numbers in Ruby?
...reduce verbiage, here’s a version that is a little bit more forgiving on what ends up in that array.
array.map(&:to_i).reduce(0, :+)
Some additional relevant reading:
http://ruby-doc.org/core-1.9.3/Enumerable.html#method-i-inject
http://en.wikipedia.org/wiki/MapReduce
http://en.wikipedia....
java.lang.OutOfMemoryError: GC overhead limit exceeded [duplicate]
...
what is your gradle version ?
– Mina Fawzy
Feb 14 '17 at 13:33
1
...
SSH configuration: override the default username [closed]
Is it possible to configure ssh to know what my username should be?
6 Answers
6
...