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Unable to import a module that is definitely installed
...I had the same problem: script with import colorama was throwing and ImportError, but sudo pip install colorama was telling me "package already installed".
My fix: run pip without sudo: pip install colorama. Then pip agreed it needed to be installed, installed it, and my script ran.
My environmen...
Batch script loop
...
for /F %%x in ('dir /B/D %MYDIR%') do (
set FILENAME=%MYDIR%\%%x\log\IL_ERROR.log
echo =========================== Search in !FILENAME! ===========================
c:\utils\grep motiv !FILENAME!
)
You must use "enableDelayedExpansion" and !FILENAME! instead of $FILENAME$. In the second cas...
How can I check if a program exists from a Bash script?
...ould I validate that a program exists, in a way that will either return an error and exit, or continue with the script?
37 ...
Scala 2.8 breakOut
..., "BB", "CCC").map(s => (s, s.length))
The compiler would complain:
error: type mismatch;
found : Seq[(String, Int)]
required: Map[String,Int]
The reason being that Seq only knows how to build another Seq (i.e. there is an implicit CanBuildFrom[Seq[_], B, Seq[B]] builder factory available...
postgresql list and order tables by size
...ready started typing something in your psql session, which caused a syntax error.
– yieldsfalsehood
Feb 12 '14 at 20:13
...
What is the argument for printf that formats a long?
...olution?
– Aaron Franke
May 13 at 9:05
add a comment
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Regex lookahead for 'not followed by' in grep
...ash under Cygwin and when I change to single quotes, I'm still getting the error "event not found".
– SSilk
Jun 23 '17 at 13:44
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Linux下安装项目管理工具Redmine - 开源 & Github - 清泛网 - 专注C/C++及内核技术
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4、Ruby on Rails
# gem install rails
安装成功提示：
Successfully installed activesupport-2.3.3
Successfully installed activerecord-2.3.3
Successfully installed rack-1.0.0
Successfully installed actionpack-2.3.3
Successfully installed actionmailer-2.3.3
Su...
How to deal with floating point number precision in JavaScript?
...bers like 1/10 without realizing that they wouldn't even blink at the same error if it occurred with 1/3.
If the first point really applies to you, use BigDecimal for JavaScript, which is not elegant at all, but actually solves the problem rather than providing an imperfect workaround.
...
Rails formatting date
...m/%d/%y)
– RajeshM
Jun 10 '15 at 21:05
1
Use %A if you want the day of the week, e.g. "Wednesday"...