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How to read data when some numbers contain commas as thousand separator?
... Bureau.Name Account.Code X2014 X2015 X2016
1 Senate 110 158,000 211,000 186,000
2 Senate 115 0 0 0
3 Senate 123 15,000 71,000 21,000
4 Senate 126 6,000 14,000 8,000
5 Senate 127 110,000 234,0...
Redefining NULL
... trick is to hack the compiler so that pointer<->integer conversions XOR a specific value that is an invalid pointer and still trivial enough that the target architecture can do that cheaply (usually, that would be a value with a single bit set, such as 0x20000000).
– Sim...
Remove non-utf8 characters from string
...s 0xxxxxxx
| [\xC0-\xDF][\x80-\xBF] # double-byte sequences 110xxxxx 10xxxxxx
| [\xE0-\xEF][\x80-\xBF]{2} # triple-byte sequences 1110xxxx 10xxxxxx * 2
| [\xF0-\xF7][\x80-\xBF]{3} # quadruple-byte sequence 11110xxx 10xxxxxx * 3
){1,100} # ...
How can I make the computer beep in C#?
... information refer http://msdn.microsoft.com/en-us/library/8hftfeyw%28v=vs.110%29.aspx
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How can I get the latest JRE / JDK as a zip file rather than EXE or MSI installer? [closed]
...
If you want the src.zip, then you should also "extrac32 110" in .rsrc/JAVA_CAB9, and copy that to the root of your resulting JDK directory.
– Chris Noe
Jul 17 '13 at 16:15
...
How to find if a given key exists in a C++ std::map
...tion != 0), so you can just use if(m.count(key))
– jv110
Dec 16 '16 at 20:50
7
@jv110 The Microso...
Only read selected columns
...), 3)
mpg cyl disp hp drat wt qsec vs am gear carb
1 21 6 160 110 3.9 2.62 16.46 0 1 4 4
2 21 6 160 110 3.9 2.875 17.02 0 1 4 4
3 22.8 4 108 93 3.85 2.32 18.61 1 1 4 1
> head(dbGetQuery(conn, "select mpg, gear from mtcars"), 3)
MPG GEAR
1 21...
Why do people say there is modulo bias when using a random number generator?
...8 possible outcomes:
000 = 0, 001 = 1, 010 = 2, 011 = 3
100 = 4, 101 = 5, 110 = 6, 111 = 7
We can reduce the size of the outcome set to exactly 6 by taking the value modulo 6, however this presents the modulo bias problem: 110 yields a 0, and 111 yields a 1. This die is loaded.
Potential Solutio...
How accurately should I store latitude and longitude?
...So let's talk about the equator, where the distance between each degree is 110.574km for latitude and 111.320km for longitude.
50ft is 0.01524km, so:
0.01524 / 110.574 = 1/7255 of a degree of latitude
0.01524 / 111.320 = 1/7304 of a degree of longitude
You need four digits of scale, enough to g...
Error 'LINK : fatal error LNK1123: failure during conversion to COFF: file invalid or corrupt' after
...h similar issues. I am using ms build and I had to Copy these files: msobj110.dll mspdb110.dll mspdbcore.dll mspdbsrv.exe From C:\Program Files (x86)\Microsoft Visual Studio 11.0\Common7\IDE to C:\Program Files (x86)\Microsoft Visual Studio 11.0\VC\bin in addition to this, as per i-am-bryan.co...