大约有 47,000 项符合查询结果（耗时：0.0483秒） [XML]
Why does AngularJS include an empty option in select?
...
This may work for now, but the angular documentation specifically recommends against using ng-init for anything besides ng-repeat - see docs.angularjs.org/api/ng/directive/ngInit
– Ed Norris
Aug 8 '14 at ...
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 | ...
Find what filetype is loaded in vim
...laying this filetype= at the bottom of your console, meaning vim does not know the file type. This is only halfway of your quest.
Logically, your next step will be telling vim "just highlight it using (for example) ps1 syntax". You do so by typing :set filetype=ps1, now vim will highlight the curre...
Git diff to show only lines that have been modified
...e lines, because the diff would not make sense without them (you couldn't know which file you were looking at, nor where you were in the file).
– Chris Hayes
Sep 15 '13 at 9:19
8
...
How can I get the list of files in a directory using C or C++?
...Ronkko. In Unix, it is a standard header.
UPDATE 2017:
In C++17 there is now an official way to list files of your file system: std::filesystem. There is an excellent answer from Shreevardhan below with this source code:
#include <string>
#include <iostream>
#include <filesystem>...
How do I automatically update a timestamp in PostgreSQL
...update_modified_column()
RETURNS TRIGGER AS $$
BEGIN
NEW.modified = now();
RETURN NEW;
END;
$$ language 'plpgsql';
Apply the trigger like this:
CREATE TRIGGER update_customer_modtime BEFORE UPDATE ON customer FOR EACH ROW EXECUTE PROCEDURE update_modified_column();
...
Sorting an ArrayList of objects using a custom sorting order
...<Contact> contacts = new ArrayList<Contact>();
// Fill it.
// Now sort by address instead of name (default).
Collections.sort(contacts, new Comparator<Contact>() {
public int compare(Contact one, Contact other) {
return one.getAddress().compareTo(other.getAddress());
...
Detect Click into Iframe using JavaScript
...e banner.
the iframe should be put in a div with an id, to make sure you know which iframe the user clicked on:
<div class='banner' bannerid='yyy'>
<iframe src='http://somedomain.com/whatever.html'></iframe>
<div>
so:
$(document).ready( function() {
var overiFram...
Can I change all my http:// links to just //?
...und from my logs instances of what seem to be web spider robots (source unknown) trying to use the protocol-less links and not handling them correctly as well.
– Kzqai
Oct 13 '11 at 16:25
...
What does iterator->second mean?
...
I'm sure you know that a std::vector<X> stores a whole bunch of X objects, right? But if you have a std::map<X, Y>, what it actually stores is a whole bunch of std::pair<const X, Y>s. That's exactly what a map is - it pai...