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Explaining Apache ZooKeeper
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436
In a nutshell, ZooKeeper helps you build distributed applications.
How it works
You may desc...
Handle file download from ajax post
...red Apr 18 '13 at 15:00
user571545user571545
38
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Difference between variable declaration syntaxes in Javascript (including global variables)?
...new with ES2015)
a = 0; // 2
window.a = 0; // 3
this.a = 0; // 4
Those statements explained
#1 var a = 0;
This creates a global variable which is also a property of the global object, which we access as window on browsers (or via this a global scope, in non-strict code). Unlike some ...
REST HTTP status codes for failed validation or invalid duplicate
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For input validation failure: 400 Bad Request + your optional description. This is suggested in the book "RESTful Web Services".
For double submit: 409 Conflict
Update June 2014
The relevant specification used to be RFC2616, which gave the use of 400 ...
How do I revert a Git repository to a previous commit?
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41 Answers
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Active
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What is causing “Unable to allocate memory for pool” in PHP?
...3
Greg
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answered Sep 16 '10 at 2:39
FrankieFrankie
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How do I create a foreign key in SQL Server?
... question_exam_id uniqueidentifier not null,
question_text varchar(1024) not null,
question_point_value decimal,
constraint fk_questionbank_exams foreign key (question_exam_id) references exams (exam_id)
);
sha...
How to pick just one item from a generator?
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Sven MarnachSven Marnach
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How to parse a string into a nullable int
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54
@Chris, the compiler doesn't like your inline if statement (These types are not compatible: 'int' : 'null'). I had to amend it to: return In...
How do you fade in/out a background color using jquery?
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answered Jun 9 '09 at 4:00
micmcgmicmcg
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