大约有 800 项符合查询结果（耗时：0.0130秒） [XML]
Is there a difference between “==” and “is”?
...course, never be the same object but still compare equal when using ==. So 5.0 for example, is a floating point value, while 5 is an integer. But 5.0 == 5 will still return True because they represent the same value. In terms of performance and duck-typing, is is always tested by the interpreter by ...
Default height for section header in UITableView
...
In IOS 5.0 onwards you can return UITableViewAutomaticDimension in most of the delegate methods. Its at the bottom of the documentation page
- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)sectio...
How to adjust an UIButton's imageSize?
...ontentMode = .scaleAspectFit
addButton.imageEdgeInsets = UIEdgeInsetsMake(15.0, 15.0, 15.0, 5.0)
Unless you get the image insets just right, the image will be skewed without changing the contentMode.
share
|
...
Which MySQL datatype to use for an IP address? [duplicate]
...of the integer datatype is more than 8 bytes (see dev.mysql.com/doc/refman/5.0/en/numeric-types.html ) ? I would say you'll have to fallback to some kind of char-based type.
– Pascal MARTIN
Feb 27 '11 at 14:14
...
What browsers support HTML5 WebSocket API?
...
Client side
Hixie-75:
Chrome 4.0 + 5.0
Safari 5.0.0
HyBi-00/Hixie-76:
Chrome 6.0 - 13.0
Safari 5.0.2 + 5.1
iOS 4.2 + iOS 5
Firefox 4.0 - support for WebSockets disabled. To enable it see here.
Opera 11 - with support disabled. To enable it see here.
HyBi-0...
MySQL string replace
...'w', 'Ww');
-> 'WwWwWw.mysql.com'
http://dev.mysql.com/doc/refman/5.0/en/string-functions.html#function_replace
Note that it's easier if you make that an alias when using SELECT
SELECT REPLACE(string_column, 'search', 'replace') as url....
...
PHP cURL custom headers
...w.example.com/index.php', //Your referrer address
'User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux i686; rv:28.0) Gecko/20100101 Firefox/28.0',
'X-MicrosoftAjax: Delta=true'
];
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
$server_output = curl_exec ($ch);
curl_close ($ch);
print $server_...
Understanding the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue
...2.62, 2.75, 2.87, 3.0, 3.2, 3.4, 3.6, 3.8,
4.0, 4.3, 4.7, 4.9, 5.0, 5.5, 6.0, 6.5, 6.8, 7.0,
7.3, 7.5, 7.8, 8.0, 8.4, 8.7, 9.0, 9.4, 9.6, 9.8,
10.0
};
/**
* @see http://groups.google.com/group/android-developers/browse_thread/thread/9e215c83c3819953
* @see http:...
mysql: see all open connections to a given database?
...case insensitive. For case sensitivity please see dev.mysql.com/doc/refman/5.0/en/…
– wiseland
Jul 7 '15 at 13:39
...
AttributeError: 'module' object has no attribute 'urlopen'
...rg"
req = urllib.request.Request(siteurl, headers={'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.100 Safari/537.36'})
pageHTML = urllib.request.urlopen(req).read()
I hope your problem resolved.
...