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How to output numbers with leading zeros in JavaScript [duplicate]
I can round to x amount of decimal places with math.round but is there a way to round left of the decimal? for example 5 becomes 05 if I specify 2 places
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Downloading Java JDK on Linux via wget is shown license page instead
When I try to download Java from Oracle I instead end up downloading a page telling me that I need agree to the OTN license terms.
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What is the colon operator in Ruby?
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:foo is a symbol named "foo". Symbols have the distinct feature that any two symbols named the same will be identical:
"foo".equal? "foo" # false
:foo.equal? :foo # true
This makes comparing two symbols really fast (sin...
How to disallow temporaries
For a class Foo, is there a way to disallow constructing it without giving it a name?
10 Answers
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‘ld: warning: directory not found for option’
When I'm building my Xcode 4 apps I'm getting this warning:
30 Answers
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OS X: equivalent of Linux's wget
How can I do an HTTP GET from a Un*x shell script on a stock OS X system? (installing third-party software is not an option, for this has to run on a lot of different systems which I don't have control on).
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Unicode equivalents for \w and \b in Java regular expressions?
Many modern regex implementations interpret the \w character class shorthand as "any letter, digit, or connecting punctuation" (usually: underscore). That way, a regex like \w+ matches words like hello , élève , GOÄ_432 or gefräßig .
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How to get a string after a specific substring?
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Looping over arrays, printing both index and value
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You would find the array keys with "${!foo[@]}" (reference), so:
for i in "${!foo[@]}"; do
printf "%s\t%s\n" "$i" "${foo[$i]}"
done
Which means that indices will be in $i while the elements themselves have to be accessed via ${foo[$i]}
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windbg 备忘 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...户态调试；1，内核转储文件
thread_index：kd，内核转储；lkd，本地内核
|| (index) s 切换当前系统
| (index) s 切换进程
~ (index) s 切换线程
~ (index) k 栈回溯，不指定index操作当前线程
~ (index) r 寄存器，不指定index操作当前...