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How do I kill background processes / jobs when my shell script exits?
... I don't quite understand -$$. It evaluates to '-<PID>` eg -1234. In the kill manpage // builtin manpage a leading dash specifies the signal to be sent. However -- probably blocks that, but then the leading dash is undocumented otherwise. Any help?
– Evan Benn
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How to read data when some numbers contain commas as thousand separator?
...en digits:
gsub("([0-9]+)\\,([0-9])", "\\1\\2", lines)
## [1] "www, rrr, 1234, ttt \n rrr,zzz, 1234567987, rrr"
It's als useful to know but not directly relevant to this question that commas as decimal separators can be handled by read.csv2 (automagically) or read.table(with setting of the 'dec'...
How do I copy an object in Java?
... objects, such a field would contain the address in memory (such as "0x70FF1234") at which the object data is found. That address is the "field value" that is being copied (assigned). You are correct that the end result is that both objects have fields that refer to (point at) the same object.
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Java Immutable Collections
...it is already unmodifiable, see JDK-8191517
– Marcono1234
Nov 24 '19 at 15:21
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How can I tell if I'm running in 64-bit JVM or 32-bit JVM (from within a program)?
...va -d64 -version returned with exit code 0.
– Marcono1234
Sep 12 '18 at 7:50
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Regular expression to limit number of characters to 10
... to ommit the beginning ^ to property match ONLY requests with a name like 1234 or 5678, and I had to include the $ sign
– Devin G Rhode
Jun 7 '18 at 22:30
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Easy way of running the same junit test over and over?
...equested feature which was added in JUnit 5
– Marcono1234
Sep 22 '18 at 16:54
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Win32汇编--使用MASM - C/C++ - 清泛网 - 专注C/C++及内核技术
...称，如汇编程序中下列代码结构很多：
mov cx,1234h
cmp flag,1
je loc1
mov cx,1000h
loc1:
loop loc1
loc1在别的地方就再也用不到了，对于这种情况，高版本的MASM用@@标号去代替它：
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Setting table column width
...on fails if you have colspans in the first row
– mark1234
Aug 13 '15 at 15:52
3
Good because <...
String replacement in Objective-C
...gCharactersInRange:range withString:@"*"];
}
} //out: **** **** **** 1234
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