大约有 47,000 项符合查询结果（耗时：0.0583秒） [XML]
Is Integer Immutable
I know this is probably very stupid, but a lot of places claim that the Integer class in Java is immutable, yet the following code:
...
Is there a performance difference between a for loop and a for-each loop?
...
Yes, but that counter is now visible outside of the loop. Sure, it's a simple fix but so is for-each!
– Indolering
Nov 4 '12 at 5:19
...
What does Serializable mean?
...
Thank you. I think I got it now.
– Sunburst275
Mar 20 at 14:54
add a comment
|
...
How to resolve git stash conflict without commit?
As asked in this question , I also want to know how to resolve a conflicting git stash pop without adding all modifications to a commit (just like "git stash pop" without a conflict does).
...
How to install a node.js module without using npm?
...roject use-gulp which
uses(requires) node_modules like gulp and gulp-util.
Now you want to make some modifications to gulp-util lib and test it locally with your use-gulp project...
Fork gulp-util project on github\bitbucket etc.
Switch to your project: cd use-gulp/node_modules
Clone gulp-util as g...
How can I tell when a MySQL table was last updated?
...ENT_TIMESTAMP,
KEY (updated_at)
);
mysql> INSERT INTO foo VALUES (1, NOW() - INTERVAL 3 DAY), (2, NOW());
mysql> SELECT * FROM foo;
+----+------+---------------------+
| id | x | updated_at |
+----+------+---------------------+
| 1 | NULL | 2013-08-18 03:26:28 |
| 2 | NULL | ...
Why is nginx responding to any domain name?
...nginx up and running with a Ruby/Sinatra app and all is well. However, I'm now trying to have a second application running from the same server and I noticed something weird. First, here's my nginx.conf:
...
What's the difference between `on` and `live` or `bind`?
... on() method, further indicating that you should ignore these methods from now on and just use on:
bind: function( types, data, fn ) {
return this.on( types, null, data, fn );
},
live: function( types, data, fn ) {
jQuery( this.context ).on( types, this.selector, data, fn );
return thi...
__proto__ VS. prototype in JavaScript
...s: "This will work if f.__proto__ = g where g is the base class." I don't know if this has some meaning i don't understand, but if you were to add the properties and methods in that way, then when you used the new keyword to create an instance, the properties and methods wouldn't be copied over.
...
Facebook Graph API v2.0+ - /me/friends returns empty, or only friends who also use my application
...shed major changes the available data: see changelog. The taggable_friends now returns nothing. Also, login review is required before you can be granted user_friends permission.
– Duncan Jones
Apr 11 '18 at 18:51
...