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Double decimal formatting in Java
...le: String.format(Locale.US,"%.2f", 4.52135);
– Alexander233
Sep 22 '17 at 20:16
3
I would say "...
Least common multiple for 3 or more numbers
...
Given a function f and a list l = [a,b,c,d], reduce(f,l) returns f(f(f(a,b),c),d). It's the functional implementation of "lcm can be computed by iteratively computing the lcm of the current value and the next element of the list."
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How to convert Set to String[]?
... edited Apr 13 '18 at 13:05
Alexander Farber
17.5k6464 gold badges203203 silver badges359359 bronze badges
answered May 12 '11 at 18:16
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Reverse of JSON.stringify?
...
JSON.stringify and JSON.parse are almost oposites, and "usually" this kind of thing will work:
var obj = ...;
var json = JSON.stringify(obj);
var obj2 = JSON.parse(json);
so that obj and obj2 are "the same".
However there are some lim...
How to run a hello.js file in Node.js on windows?
...run the "Hello World" example found at http://nodejs.org/. This is a quick and dirty example. For a permanent installation you'd want to store the executable in a more reasonable place than the root directory and update your PATH to include its location.
Download the Windows executable here: http:...
How to pass the password to su/sudo/ssh without overriding the TTY?
...nt their passwords in console input (the TTY) rather than stdin or the command line.
21 Answers
...
How do I disable a href link in JavaScript?
...ef="#"> Previous </a> 1 2 3 4 <a href="#"> Next </a> and in some conditions I want this tag to be completely disabled.
...
How do you debug a regex? [closed]
...
You buy RegexBuddy and use its built in debug feature. If you work with regexes more than twice a year, you will make this money back in time saved in no time. RegexBuddy will also help you to create simple and complex regular expressions, and...
How to display HTML in TextView?
...
h2 by definition creates a lot of margin around itself. and p also comes with some margin. if you don't want the gap, you might want to consider using other html elements.
– David Hedlund
Jan 22 '10 at 10:58
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Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注IT技能提升
...ody gets emergency messages
*.emerg *
# Save news errors of level crit and higher in a special file.
uucp,news.crit /var/log/spooler
# Save boot messages also to boot.log
local7.* /var/log/boot.log
其中涉及两个概念：Facility和Severity，中文的意思大致是类型和级别。...