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How to trace the path in a Breadth-First Search?
... # We check if the current node is already in the visited nodes set in order not to recheck it
elif vertex not in visited:
# enumerate all adjacent nodes, construct a new path and push it into the queue
for current_neighbour in graph_to_search.get(vertex, []):
...
Analytics Google API Error 403: “User does not have any Google Analytics Account”
... and added the Service User's email address. .p12 authorization using the PHP API works, but only if I check off "Read & Analyze" only in the permissions list.
– Johnny O
Sep 15 '15 at 22:18
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What is the difference between JSF, Servlet and JSP?
...r Pages)
JSP is a Java view technology running on the server machine which allows you to write template text in client side languages (like HTML, CSS, JavaScript, ect.). JSP supports taglibs, which are backed by pieces of Java code that let you control the page flow or output dynamically. A well-kno...
Find object by id in an array of JavaScript objects
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As long as you don't rely on the order of properties: stackoverflow.com/questions/4886314/…
– Marle1
Nov 5 '14 at 16:28
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form with no action and where enter does not reload page
...t an action attribute is not a form, according to standards - and will actually cause a page reload in some browsers.. I've found that action="javascript:void(0);" works well.
– Dutchie432
Oct 17 '11 at 20:14
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How does the bitwise complement operator (~ tilde) work?
... positive numbers. Think of -3 as the number to which 3 should be added in order to get zero and you'll see that this number is 1101, remember that binary addition is just like elementary school (decimal) addition only you carry one when you get to two rather than 10.
1101 +
0011 // 3
=
10000...
log4j logging hierarchy order
... Although this answers the question (that's just asking for the "hierarchy order"), I finally downvoted for your poor terminology: going down, "visibility" works, item. Didn't you wish to explain how logger configuration affects the actual logging (passing log events)? Please consider another update...
What does “Mass Assignment” mean in Laravel?
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Mass assignment is when you send an array to the model creation, basically setting a bunch of fields on the model in a single go, rather than one by one, something like:
$user = new User(request()->all());
(This is instead of explicitly setting each value on the model separately.)
You c...
TreeMap sort by value
...or that will let me sort a TreeMap by value instead of the default natural ordering.
8 Answers
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How to sort a HashSet?
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A HashSet does not guarantee any order of its elements. If you need this guarantee, consider using a TreeSet to hold your elements.
However if you just need your elements sorted for this one occurrence, then just temporarily create a List and sort that:
Se...