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How to find the kth largest element in an unsorted array of length n in O(n)?
... was specifically for 3d largest)
and this answer:
Build a heap/priority queue. O(n)
Pop top element. O(log n)
Pop top element. O(log n)
Pop top element. O(log n)
Total = O(n) + 3 O(log n) = O(n)
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How can I generate a diff for a single file between two branches in github
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For a commit of 5000 files, this doesn't take me to the single-file diff. From this history, try finding the delta to that file from this huge commit.
– Carl Walsh
Nov 15 '17 at 23:57
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SET NOCOUNT ON usage
... is when one is inserting only values into table. DONINPROC (RPC) or DONE (BATCH) message is streamed with rowcount set to affected rows, while done_count flag is true, regardless if NO_COUNT is ON. Depends on client lib implementation in cases when query holds SELECT statements or RPC calls that d...
How to retrieve a single file from a specific revision in Git?
... diff.txt.textconv "tr A-Za-z N-ZA-Mn-za-m <"
git cat-file --textconv --batch
Note: "git cat-file --textconv" started segfaulting recently (2017), which has been corrected in Git 2.15 (Q4 2017)
See commit cc0ea7c (21 Sep 2017) by Jeff King (peff).
(Merged by Junio C Hamano -- gitster -- in commi...
When to Redis? When to MongoDB? [closed]
... that block of output.
Redis also lets you do publisher-subscribe message queues and such. That's another topic entirely. Point here is Redis is a key-value cache, which differs from a relational database or a document store.
Conclusion
Pick your tools based on your needs. The largest need is ...
Nohup is not writing log to output file
...mber to train = " + str(num_train), flush=True)
print("Using {} evaluation batches".format(num_evals), flush=True)
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Application Skeleton to support multiple screens
...cording to percentage ratio) once Action created for all size then just do Batch Automate and give source(drawable-hdpi) and destination(drawable-ldpi, drawable-mdpi, drawable-xdpi).
The reason I insist you to use Photoshop because it will resize automatically your image with Actions and one more p...
Should I use document.createDocumentFragment or document.createElement
...gment and createElement in memory has roughly the same effect as they both batch updated the DOM instead of iteratively update for multiple times. While the main benefit of createFragment is that it offers you the flexibility to choose whatever child elements to append for free? Correct me if i were...
C++11 rvalues and move semantics confusion (return statement)
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{
MyExpensiveType temp(1.0, 3.0);
temp.initSomeOtherFields(malloc(5000));
// old way, passed via const reference, expensive copy
vec.push_back(temp);
// new way, passed via rvalue reference, cheap move
// just don't use temp again, not difficult in a loop like this though...
When is it acceptable to call GC.Collect?
...ce that is responding to more then one request at a time.
However in some batch type processing you do know more then the GC. E.g. consider an application that.
Is given a list of file names on the command line
Processes a single file then write the result out to a results file.
While processing...