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How to get cumulative sum
...om @t t1
inner join @t t2 on t1.id >= t2.id
group by t1.id, t1.SomeNumt
order by t1.id
SQL Fiddle example
Output
| ID | SOMENUMT | SUM |
-----------------------
| 1 | 10 | 10 |
| 2 | 12 | 22 |
| 3 | 3 | 25 |
| 4 | 15 | 40 |
| 5 | 23 | 63 |
Edit: this...
Why are global variables evil? [closed]
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Order discrete x scale by frequency/value
... ggplot with discrete x scale, the x axis are now arranged in alphabetical order, but I need to rearrange it so that it is ordered by the value of the y-axis (i.e., the tallest bar will be positioned on the left).
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Improving bulk insert performance in Entity framework [duplicate]
... // Since we cannot trust the CLR type properties to be in the same order as
// the table columns we use the SqlBulkCopy column mappings.
table.Columns.Add(new DataColumn(property.Name, propertyType));
var clrPropertyName = property.Name;
var ta...
What is RSS and VSZ in Linux memory management
...79087] mongod invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
So we see that interestingly it was the MongoDB daemon that always runs in my laptop on the background that first triggered the OOM killer, presumably when the poor thing was trying to allocate some...
Get to UIViewController from UIView?
...API features. Many I have referred to sacrifice good or scalable design in order to provide a concise demonstration of the topic. It took me a long time to realise this and while it makes sense, I find it unfortunate. I think a lot of developers take these pragmatic projects as Apple's guide to best...
Is there a way to make text unselectable on an HTML page? [duplicate]
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According to this Answer, the order of those two webkit settings may be critical, where the -webkit-user-select: should come before the -webkit-touch-callout:. I have not verified this.
– Basil Bourque
Nov 15 '14 at ...
Override Java System.currentTimeMillis for testing time sensitive code
...be used as the first main class before your real main class very easily in order to run your application (or even whole appserver) in a different time. Of course, this is intented for testing purposes mainly, not for production environment.
EDIT July 2014: JMockit changed a lot lately and you are b...
How to cat a file containing code?
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Combine two data frames by rows (rbind) when they have different sets of columns
...=6:10, b=16:20, c = letters[8:12])
Two data.frames, alter originals
In order to retain all columns from both data.frames in an rbind (and allow the function to work without resulting in an error), you add NA columns to each data.frame with the appropriate missing names filled in using setdiff.
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