大约有 40,000 项符合查询结果（耗时：0.0397秒） [XML]
What is the meaning and difference between subject, user and principal?
...clarify "User - subset of principal"? If John is the subject and "account #123" is his principal, the user is who? Are there two John's? Since Genus > Species > Individual is increasingly specific, John (user) should be more specific than John (subject). Or am I missing something?
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static const vs #define
...uld be very like to see a comparison table.
– Unknown123
Apr 25 '19 at 3:49
2
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How to generate all permutations of a list?
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Combination (order does NOT matter):
print list(itertools.combinations('123', 2))
[('1', '2'), ('1', '3'), ('2', '3')]
Cartesian product (with several iterables):
print list(itertools.product([1,2,3], [4,5,6]))
[(1, 4), (1, 5), (1, 6),
(2, 4), (2, 5), (2, 6),
(3, 4), (3, 5), (3, 6)]
Cartesia...
C#操作XML小结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...mlSchema("your xmlfile name");
第二种方法：
<aaa>
<add key="123" value="321"/>
</aaa>
如果我要找到123然后取到321应该怎么写呢？
using System.XML;
XmlDataDocument xmlDoc = new System.Xml.XmlDataDocument();
xmlDoc.Load(@"c:/Config.xml");
XmlElement elem = xmlDoc....
Download JSON object as a file from browser
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Found an answer.
var obj = {a: 123, b: "4 5 6"};
var data = "text/json;charset=utf-8," + encodeURIComponent(JSON.stringify(obj));
$('<a href="data:' + data + '" download="data.json">download JSON</a>').appendTo('#container');
seems to work f...
Why use def main()? [duplicate]
...differently is pass argv to parse_args in main.
– jkt123
Aug 23 '17 at 21:54
add a comment
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JavaScript Regular Expression Email Validation [duplicate]
... This won't support email addresses like: bob+tag@gmail.com, bob@foo123.com, and bob.sagat@gmail.com (as Nadia Alramli already pointed out)
– Aneil Mallavarapu
Jan 26 '14 at 19:49
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array_push() with key value pair
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Warning: $a['123'] = 456; - string '123' is converted to integer key 123.
– bancer
Jul 2 at 12:58
1
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Call a Server-side Method on a Resource in a RESTful Way
...a RESTful ordering service where orders are at URIs like example.com/order/123.
Now say we want to cancel an order, how are we gonna do it? One may be tempted to think that is a "cancellation" "action" and design it as POST example.com/order/123?do=cancel.
That is not RESTful, as we talked above....
Find duplicate lines in a file and count how many time each line was duplicated?
...iq -c | grep -v '^ *1 '
For the given example, the result would be:
3 123
2 234
If you want to print counts for all lines including those that appear only once:
sort FILE | uniq -c
or, with GNU long options (on Linux):
sort FILE | uniq --count
For the given input, the output is:
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