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Temporarily switch working copy to a specific Git commit
...tain branch mybranch, just go ahead and git checkout commit_hash. Then you can return to your branch by git checkout mybranch. I had the same game bisecting a bug today :) Also, you should know about git bisect.
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Example for sync.WaitGroup correct?
... wg.Wait()
fmt.Println("Done")
}
However, it is rather pointless to call wg.Add over and over again when you already know how many times it will be called.
Waitgroups panic if the counter falls below zero. The counter starts at zero, each Done() is a -1 and each Add() depends on the parame...
How do I get AWS_ACCESS_KEY_ID for Amazon?
...oes not cost you anything. all startups usually use it in the begging. you can start & stop your servers anytime you like via aws website and if something has a cost, you pay only on the actual usage.
– Amit Talmor
Jan 30 '14 at 7:27
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Example invalid utf8 string?
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Take a look at Markus Kuhn's UTF-8 decoder capability and stress test file
You'll find examples of many UTF-8 irregularities, including lonely start bytes, continuation bytes missing, overlong sequences, etc.
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How do .gitignore exclusion rules actually work?
...under c (e.g. d/, e/, f/g/h/, i/j/, etc) then the negate rule '!foo' won't catch those.
– davidA
Jun 8 '10 at 23:29
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SVG fill color transparency / alpha?
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you can also put these in the style attribute: <rect style="fill:#044B94;fill-opacity: 0.4;" />
– PeterVermont
Jul 26 '16 at 21:35
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How to use GNU Make on Windows?
I installed MinGW and MSYS, added C:\MinGW\bin to PATH but I still can't run Makefile on Windows' cmd . I would like to run cmd.exe and there type, for example, make all but my cmd says that there is no such command.
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How to select only the first rows for each unique value of a column
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A very simple answer if you say you don't care which address is used.
SELECT
CName, MIN(AddressLine)
FROM
MyTable
GROUP BY
CName
If you want the first according to, say, an "inserted" column then it's a different query
SELECT
M.CName, M.AddressLin...
Send POST Request with Data Specified in File via Curl
... a POST request via Curl from the command line. Data for this request is located in a file. I know that via PUT this could be done with the --upload-file option.
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Android: When is onCreateOptionsMenu called during Activity lifecycle?
...ut one at the beginning of onCreateOptionsMenu . The onCreate method is called first, and before it finishes onCreateOptionsMenu is called.
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