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twitter bootstrap autocomplete dropdown / combobox with Knockoutjs
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Delete newline in Vim
...trailing newline character in the last line, you need to do this in Vim:
:set noendofline binary
:w
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Quicksort: Choosing the pivot
...requirements. Choosing a pivot at random makes it harder to create a data set that generates O(N^2) performance. 'Median-of-three' (first, last, middle) is also a way of avoiding problems. Beware of relative performance of comparisons, though; if your comparisons are costly, then Mo3 does more co...
Count work days between two dates
... SELECT, like this:
DECLARE @StartDate DATETIME
DECLARE @EndDate DATETIME
SET @StartDate = '2008/10/01'
SET @EndDate = '2008/10/31'
SELECT
(DATEDIFF(dd, @StartDate, @EndDate) + 1)
-(DATEDIFF(wk, @StartDate, @EndDate) * 2)
-(CASE WHEN DATENAME(dw, @StartDate) = 'Sunday' THEN 1 ELSE 0 END)
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Bin size in Matplotlib (Histogram)
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what is the binwidth here?have u set that value before?
– UserYmY
Sep 29 '15 at 13:25
1
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Is there a rule-of-thumb for how to divide a dataset into training and validation sets?
...e a rule-of-thumb for how to best divide data into training and validation sets? Is an even 50/50 split advisable? Or are there clear advantages of having more training data relative to validation data (or vice versa)? Or is this choice pretty much application dependent?
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How to get diff working like git-diff?
I like the output formatting of git diff . The color and the + / - representation of changes between lines is easier to read than GNU diff.
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Reset C int array to zero : the fastest way?
...int, long long int or unsigned long long int, what is the fastest way to reset all its content to zero (not only for initialization but to reset the content several times in my program)? Maybe with memset?
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Expanding tuples into arguments
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Django import error - no module named django.conf.urls.defaults
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Check also if you have set ROOT_URLCONF in your settings.py! This variable has to also be adapted. In my case it was ROOT_URLCONF = 'urls' and had to be changed to ROOT_URLCONF = 'app.urls'
– Lukas Schulze
Mar...