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Golang: How to pad a number with zeros when printing?
...d|%6d|\n", 12, 345)
Notice the 0 in %06d, that will make it a width of 6 and pad it with zeros. The second one will pad with spaces.
You can see it in action here: http://play.golang.org/p/cinDspMccp
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How to extract request http headers from a request using NodeJS connect
...ove: "The req object is an enhanced version of Node’s own request object and supports all built-in fields and methods." that contains a link pointing to the Node documentation of the underlying object.
– Serge N
May 15 at 19:30
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iOS White to Transparent Gradient Layer is Gray
...with an alpha of 0, so I had to use
[UIColor colorWithWhite:1 alpha:0]
and it works fine.
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How do I delete a fixed number of rows with sorting in PostgreSQL?
...'t change ctids, I don't think. Since that just compacts within each page, and the ctid is just the line number not a page offset. A VACUUM FULL or a CLUSTER operation would change the ctid, but those operations take an access exclusive lock on the table first.
– araqnid
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CSS Progress Circle [closed]
...
I created a tutorial on how to do exactly that with CSS3 and the LESS JavaScript library.
You can find the blogpost here: https://medium.com/secoya-tech/a917b80c43f9
Here is a jsFiddle of the final result. The percentage is set via the data-progress attribute. Changes are animated...
Showing line numbers in IPython/Jupyter Notebooks
...er keyboard shortcuts.
In more details CTRL - M (or ESC) bring you to command mode, then pressing the L keys should toggle the visibility of current cell line numbers. In more recent notebook versions Shift-L should toggle for all cells.
If you can't remember the shortcut, bring up the command pal...
How to determine if one array contains all elements of another array
...d Sep 12 '11 at 12:36
Pablo FernandezPablo Fernandez
91.2k5353 gold badges177177 silver badges224224 bronze badges
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Mock HttpContext.Current in Test Init Method
...xt itself is fakeable just enough for you do replace the IPrincipal (User) and IIdentity.
The following code runs as expected, even in a console application:
HttpContext.Current = new HttpContext(
new HttpRequest("", "http://tempuri.org", ""),
new HttpResponse(new StringWriter())
);
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AngularJS - how to get an ngRepeat filtered result reference
... answered Jul 30 '12 at 13:12
Andrew JoslinAndrew Joslin
42.7k2020 gold badges9696 silver badges7575 bronze badges
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Remove by _id in MongoDB console
...jectId.
Also, note that in some drivers/tools, remove() is now deprecated and deleteOne or deleteMany should be used instead.
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