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Authoritative position of duplicate HTTP GET query keys
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This is based on an attack called HTTP Parameter Pollution and has been analyzed by OWASP: owasp.org/images/b/ba/AppsecEU09_CarettoniDiPaola_v0.8.pdf At page 9 you'll find a list of 20 systems and a description how they handle this issue.
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When to use .First and when to use .FirstOrDefault with LINQ?
... @driis - I'd imagine we can use the mantra of the exceptional exception guideline when choosing between First and FirstOrDefault. Thanks for the clear answer.
– Metro Smurf
Jun 21 '09 at 21:21
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How do I validate a date string format in python?
...('2003-12-23')
>>> validate('2003-12-32')
Traceback (most recent call last):
File "<pyshell#20>", line 1, in <module>
validate('2003-12-32')
File "<pyshell#18>", line 5, in validate
raise ValueError("Incorrect data format, should be YYYY-MM-DD")
ValueError: In...
JsonMappingException: No suitable constructor found for type [simple type, class ]: can not instanti
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@Suman I would not call this a dummy constructor - it's just the default constructor. Not only is it perfectly valid, but is required for many kinds of java bean-type processing. (And, of course, it tripped me up. :-) )
– ...
Check if checkbox is checked with jQuery
How can I check if a checkbox in a checkbox array is checked using the id of the checkbox array?
23 Answers
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Jenkins Host key verification failed
...tal: The remote end hung up unexpectedly
– A. M. Mérida
Mar 4 '13 at 8:40
6
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廉价共享存储解决方案2-drbd+cman+gfs2 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...lic/private rsa key pair.
Enter file in which to save the key (/root/.ssh/id_rsa):
Your identification has been saved in /root/.ssh/id_rsa.
Your public key has been saved in /root/.ssh/id_rsa.pub.
The key fingerprint is:
a9:8a:3a:3d:64:eb:0b:de:94:a5:92:e4:ba:5d:f3:de root@gfs_1
The key's rand...
When to use window.opener / window.parent / window.top
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window.opener refers to the window that called window.open( ... ) to open the window from which it's called
window.parent refers to the parent of a window in a <frame> or <iframe>
window.top refers to the top-most window from a window nested in one or m...
PHP & mySQL: Year 2038 Bug: What is it? How to solve it?
...can we do to the existing applications that use TIMESTAMP, to avoid the so-called problem, when it really occurs?
Few PHP applications will still be around in 2038, though it's hard to foresee as the web hardly a legacy platform yet.
Here is a process for altering a database table column to conver...
mongodb count num of distinct values per field/key
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},
{ $unwind: "$keywords" },
{
$group: {
_id: {$toLower: '$keywords'},
count: { $sum: 1 }
}
},
{
$match: {
count: { $gte: 2 }
}
},
{ $sort : { count : -1} },
{ $limit : 100 }
]);
that give result s...