Flot charting library: the last point line - jquery-plugins

I user jquery "flotcharts" library and i have a problem, the line links between the points acting strangely in "the last" and "the before last" points, it not links between them but links the last point with the first point While it not do that "work correctly with the other points", what is the reason ?

I discovered the problem reason, it's because if not ordering the dataGraph array.

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How to make Gliffy's "self message" square?

There is a shape called "self message" in Gliffy's "UML 1.0" category from the "Sequence Diagram" template (Software Design & UML). It looks like a round arrow, which points from the object to itself but to a different point (a kind of self-reference). It looks like this:
I want a similar tool, but square, like this:
Is there a shape like this in Gliffy?
I made the second one using 3 lines, which is not optimal and uncomfortable.
I tried to use a connector or a line tool at first, but when the endpoint is almost on the same line as the start point Gliffy doesn't allow to make such a shape. The best I can achieve using this method is the awkward self-reference where the start point doesn't touch the object itself.

Why is my Vertex AI dataset not displayed?

I created a Vetex AI dataset in us-central1 and confirm it exists using:
vertex_ai.TabularDataset.list()
When I look at the UI I don't see any datsets, but I see a region drop-down, but no us-central1. Why is that? (The project is the correct one).
It is there but at the beginning of the list, not with the other US ones.

Determine cause of prolonged "Calculating Formula..." notification

I recently took care of a working data sheet, with about 30 sheets of several thousand rows each sheet, with many cell colored for difference purpose. Most of the sheets only have raw data; a few working sheets have formulas / arrayformulas.
Here's a portion of my workbook:
In the red circle, you can see "Calculating formula....". This appears in my sheet very frequently, generally whenever I edit anything in any cell in any sheet.
I followed https://www.benlcollins.com/spreadsheets/slow-google-sheets/ which doesn't help much to my situation. yeah, all 27 of them.
Now what I want to know is, is there any way to know just what is Google Sheets doing during the time that "Calculating formula..... " bar appear ? So I can see whichever function / formula is taking my precious time and then improve it.
Edit --
Since I cannot share the sheet, at least I'll share the working formula so that you guys can figure what is the sheets doing.
These are to be pasted to get the input data when working. Result will then be value pasted again to data sheet. These formulas are only in the working sheet:
v
=VLOOKUP($D2,TEMP!$A$1:$AT$99,23,FALSE)
=VLOOKUP($D2,TEMP!$A$1:$AT$99,11,FALSE)
=VLOOKUP($D2,TEMP!$A$1:$AT$99,16,FALSE)
=REGEXREPLACE(TO_TEXT(VLOOKUP($D2,TEMP!$A$1:$AT$99,17,FALSE)), "^84", "0")
=VLOOKUP($D2,TEMP!$A$1:$AT$99,46,FALSE)
=VLOOKUP($D2,TEMP!$A$1:$AT$992,18,FALSE)
=CONCATENATE(VLOOKUP($D3,TEMP!$G$1:$AS$492,9,FALSE), ",", VLOOKUP($D3,TEMP!$G$1:$AS$492,10,FALSE), ",", VLOOKUP($D3,TEMP!$G$1:$AS$492,7,FALSE))
=VLOOKUP($D3,TEMP!$G$1:$AS$492,6,FALSE)
=REGEXREPLACE(TO_TEXT(VLOOKUP($D3,TEMP!$G$1:$AS$492,12,FALSE)), "^84", "")
This formula is used to set the status of the data -- only in working sheet:
v
ARRAYFORMULA(IF(ISERROR(MATCH(E7:E10178,DonHangTraVe!A1:A20014,0)),IF(ISERROR(MATCH(D7:D10178,DonHangTraVe!C1:C20014,0)),IF(ISERROR(MATCH(D7:D10178,LAZ_Delivered!B1:B20000,0)),"","Received"),"Returned"), "Lost")))
This formula is placed in all of the data sheets. It will get the value in column E, turn them into links to their corresponding data in the server:
v
=ARRAYFORMULA(IF(ROW(F:F)=1,"LINK", IF(LEN(E:E)=13, HYPERLINK("http://www._____________________?key=" & E:E, E:E), "")))
Those are the main formulas.
There is this one formula in a sheet, but it is turned off by placing a value one cell below. (Not me. I'm still trying to figure this out. Even the sheet maker unsure why he did that)
=ArrayFormula(trim(concatenate(filter(indirect("AQ1:AQ500")&" "&REGEXREPLACE(indirect("AR1:AR500"), "Dòng sản phẩm tương thích:.+",""), indirect("G1:G500")=G1)&CHAR(10))))
I turned the last formula down by setting an if with a switch (Benlcollins idea) but it doesn't help much.
After looking at all the formula, I think maybe the problem of my sheet lie in the arrayformula which adds the link.. I will tinker with it for now.
Still, the question remain.. is there any tool / script / addon that shows what google spreadsheet has been doing under these "Calculating formula..." bar ??
On the side note, this sheet is not using any script, in case you wonder if there's anything in onEdit(e) ..

umbraco Contour textfield side by side

Im trying to make a form in contour for umbraco with to text fields. and I want them to be placed side by side, or at the same "horizontal line"
Im new to contour but I can't find a way to do this, an i'm been trying to google it, but without any luck.
So do anyone know if you can do this in contour? or do you need to make it yourself?
as always, thanks for your time.
So. I just found out how it can be done. and i'm gonna answer this instead of delete it since i got a upvote.
It's simple. you can build your forms up in rows and cols. so this will give you the tools need for it.

Diff visualization algorithm

Is there any description of a diff/patch format visualization algorithm? (or maybe it is too trivial to be described)
The Rietveld code review tool has a lot of comments explaining its operation in its source code. Take particular notice of intra_regiion_diff.py and engine.py.
What diff tools produce as data is pretty basic: "this line changed that way".
"Visualizing" that normally consists of showing the original code and the modified code side by side, with the "this line changed" indicated by marking the display text somehow. Basically this means scrollable text windows with painted stripes of text. Fancy versions will paint lines between the changed line in one window, and it corresponding line in another.

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