大约有 40,000 项符合查询结果(耗时:0.0258秒) [XML]
LINQ to read XML
...query
var lv1s = from lv1 in xdoc.Descendants("level1")
select new {
Header = lv1.Attribute("name").Value,
Children = lv1.Descendants("level2")
};
//Loop through results
foreach (var lv1 in lv1s){
result.Ap...
How to convert an entire MySQL database characterset and collation to UTF-8?
...
You can create the sql to update all tables with:
SELECT CONCAT("ALTER TABLE ",TABLE_SCHEMA,".",TABLE_NAME," CHARACTER SET utf8 COLLATE utf8_general_ci; ",
"ALTER TABLE ",TABLE_SCHEMA,".",TABLE_NAME," CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci; ")
AS a...
What is the most ridiculous pessimization you've seen? [closed]
...nearly all their tables have an associated archive table, and most queries select from views that UNION the pairs of tables. Performance is as you would expect!
– Tony Andrews
Mar 26 '09 at 13:32
...
How to create a new database after initally installing oracle database 11g Express Edition?
...
In the Connections pane, click the icon New Connection.
The New/Select Database Connection window opens.
In the New/Select Database Connection window, type the appropriate
values in the fields Connection Name, Username, and Password.
For security, the password characters that ...
MFC学习总结 (90个技巧) dlg 上建立View - C/C++ - 清泛网 - 专注C++内核技术
...tification handler code here
""m_button.EnableWindow(TRUE);
}
// RadioSelect Button的点击响应函数
void CPrintDlg::OnRadioSelect()
{
""// TODO: Add your control notification handler code here
""m_button.EnableWindow(FALSE);
}
也可以通过一个Check Button的点击来改变,...
Making heatmap from pandas DataFrame
...sinstance(index, pd.DatetimeIndex):
idx = pd.DatetimeIndex(middle).union([start,end])
elif isinstance(index, (pd.Float64Index,pd.RangeIndex,pd.Int64Index)):
idx = pd.Float64Index(middle).union([start,end])
else:
print('Warning: guessing what to do with index type %s' ...
Sanitizing strings to make them URL and filename safe?
...OU
echo normal_chars('üÿÄËÏÖÜŸåÅ'); // uyAEIOUYaA
Based on the selected answer in this thread: URL Friendly Username in PHP?
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Get path of executable
... the predefined OS macros detailed at predef.sourceforge.net/preos.html to select the method is straightforward.
– Clifford
Oct 7 '09 at 15:02
5
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MySql Table Insert if not exist otherwise update
...p using:
replace into last_recogs (id, hasher_id, hash_id, last_recog)
select l.* from
(select id, hasher_id, hash_id, [new_value] from last_recogs
where hasher_id in (select id from hashers where name=[hasher_name])
and hash_id in (select id from hashes where name=[hash_name])
...
html select option separator
How do you make a separator in a select tag?
14 Answers
14
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