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Arrow operator (->) usage in C
...ltiplication operator. Pascal ^ could be an option but it was reserved for bit operation, still more parents.
– Swift - Friday Pie
Oct 22 '19 at 6:32
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Difference between Apache CXF and Axis
...both perform very well. I think Axis2's proprietary ADB databinding is a bit faster than CXF, but if you use JAXB (standards based API's again), CXF is a bit faster. When using more complex scenarios like WS-Security, the underlying security "engine" (WSS4J) is the same for both so the performan...
What is the difference between join and merge in Pandas?
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answered Jun 12 '16 at 10:34
Romain JouinRomain Jouin
2,9923131 silver badges5959 bronze badges
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What does enumerate() mean?
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answered Mar 4 '14 at 12:10
Martijn Pieters♦Martijn Pieters
839k212212 gold badges32183218 silver badges28092809 bronze badges
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What's the difference between dynamic (C# 4) and var?
...untime know the type - they just save you some typing... the following are 100% identical:
var s = "abc";
Console.WriteLine(s.Length);
and
string s = "abc";
Console.WriteLine(s.Length);
All that happened was that the compiler figured out that s must be a string (from the initializer). In both ...
Referring to the null object in Python
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answered Jul 20 '10 at 11:54
Ben JamesBen James
102k2323 gold badges181181 silver badges154154 bronze badges
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Cannot resolve the collation conflict between “SQL_Latin1_General_CP1_CI_AS” and “Latin1_General_CI_
...and:
ALTER TABLE YourTableName
ALTER COLUMN OffendingColumn
VARCHAR(100) COLLATE Latin1_General_CI_AS NOT NULL
Marc
UPDATE: to find the fulltext indices in your database, use this query here:
SELECT
fti.object_Id,
OBJECT_NAME(fti.object_id) 'Fulltext index',
fti.is_enabled,
...
What is the list of supported languages/locales on Android?
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104
List of locales supported as of API 22 (Android 5.1). Obtained from a Nexus 5 with locale set ...
What is the best method to merge two PHP objects?
...le : $arr1 = array('a' => 9, 'b' => 'asd'); $arr2 = array('a' => 10, 'd' => 'qwert', 0 => 100, 1 => 200, 4 => 400); $arr3 = array_merge($arr1, $arr2); echo(print_r($arr3, 1)); Actual Output : Array ( [a] => 10 [b] => asd [d] => qwert [0] => 100 [1] => 200 [2] =&...
MongoDB数据导出导入工具:mongoexport,mongoimport - 大数据 & AI - 清泛...
...sv --headerline --file students_csv.dat
connected to: 127.0.0.1
imported 10 objects
参数说明:
-type:指明要导入的文件格式
-headerline:指明第一行是列名,不需要导入
-file:指明要导入的文件
查询students集合,验证导入是否成功:
> db.students....
