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The cause of “bad magic number” error when loading a workspace and how to avoid it?
... document by the R Core Team summarizing changes in versions of R after v3.5.0 (here):
R has new serialization format (version 3) which supports custom serialization of
ALTREP framework objects... Serialized data in format 3 cannot be read by versions of R prior to version 3.5.0.
I encountered thi...
How to extract request http headers from a request using NodeJS connect
...ge/webp,*/*;q=0.8",
"upgrade-insecure-requests":"1",
"user-agent":"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/44.0.2403.107 Safari/537.36",
"accept-encoding":"gzip, deflate, sdch",
"accept-language":"en-US,en;q=0.8,et;q=0.6"
}
...
java.lang.UnsupportedClassVersionError Unsupported major.minor version 51.0 [duplicate]
...
Java SE 9 = 53,
Java SE 8 = 52,
Java SE 7 = 51,
Java SE 6.0 = 50,
Java SE 5.0 = 49,
JDK 1.4 = 48,
JDK 1.3 = 47,
JDK 1.2 = 46,
JDK 1.1 = 45
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fol...
How to draw border around a UILabel?
...r.borderWidth = 1.0
// label 2
label2.layer.borderWidth = 5.0
label2.layer.borderColor = UIColor.blue.cgColor
// label 3
label3.layer.borderWidth = 2.0
label3.layer.cornerRadius = 8
// label 4
label4.backgroundColor = UIColor.cyan
...
Is either GET or POST more secure than the other?
...cation/xhtml+xml,text/html;q=0.9,text/ [...truncated]
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US) [...truncated]
Accept-Encoding: gzip,deflate,sdch
Accept-Language: en-US,en;q=0.8
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3
Now lets pretend we changed that request method to ...
How to switch activity without animation in Android?
...
this no longer seems to work for Lollipop/Android 5.0?
– kenyee
Mar 23 '15 at 16:25
I have An...
'IF' in 'SELECT' statement - choose output value based on column values
..., amount * -1) as amount
FROM report
See http://dev.mysql.com/doc/refman/5.0/en/control-flow-functions.html.
Additionally, you could handle when the condition is null. In the case of a null amount:
SELECT id,
IF(type = 'P', IFNULL(amount,0), IFNULL(amount,0) * -1) as amount
FROM report
...
Open Source Java Profilers [closed]
...Java Application Profiling using TPTP and here's a tutorial Profiling J2SE 5.0 based applications using Eclipse TPTP.
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How to get numbers after decimal point?
...ew the precision as well: math.modf(5.55) will return (0.5499999999999998, 5.0).
– bereal
Mar 5 '12 at 5:31
...
Convert text into number in MySQL query
...
You need to change 1 to -1. dev.mysql.com/doc/refman/5.0/en/…
– Gaurav
May 11 '11 at 7:32
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