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Use of exit() function
... of EXIT_SUCCESS and EXIT_FAILURE is slightly more portable (to non-UNIX environments) than the use of 0 and some nonzero value like 1 or -1. `"
– Mawg says reinstate Monica
May 16 '19 at 8:35
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Create a new Ruby on Rails application using MySQL instead of SQLite
...ot created your app yet, just go to cmd(for windows) or terminal(for linux/unix) and type the following command to create a rails application with mysql database:
$rails new <your_app_name> -d mysql
It works for anything above rails version 3. If you have already created your app, then you c...
How to use find command to find all files with extensions from list?
...ls have a similar option, but I'm not sure this option is available on all UNIX distributions.
– tboyce12
Aug 18 '14 at 23:12
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using awk with column value conditions
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Yes, make sense. I tried $dos2unix test and then used "==" to replace "~" and it works. Thanks for the explanation!
– user1687130
Feb 7 '13 at 3:12
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Why isn't `int pow(int base, int exponent)` in the standard C++ libraries?
...e in that arena at all.
Since one of its initial use cases was to code up UNIX, the floating point would have been next to useless. BCPL, on which C was based, also had no use for powers (it didn't have floating point at all, from memory).
As an aside, an integral power operator would probably ...
What is the difference between Flex/Lex and Yacc/Bison?
...quivalent programs from the BSD world.
Lex and Yacc are maintained by the Unix SVRx licencees - companies such as IBM (AIX), HP (HP-UX) and Sun (Solaris) have modified versions of Lex and Yacc at their command. MKS also provides MKS Lex and MKS Yacc; however, the Yacc at least has some non-standar...
How to execute more than one maven command in bat file?
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we can use the following to build a maven and pass it to any unix folder for development purpose
SET projectName=commonutil
cd %gitpath%\%projectName%
call mvn clean install -DskipTests=true %password%
IF %ERRORLEVEL% EQU 0 (Echo No error found) ELSE goto exitdoor
SET jarpath="%gitpa...
momentJS date string add 5 days
...= nowPlusOneDay.format('YYYY-MM-DD');
alert('nowPlusOneDay Without Format(Unix Date):'+nowPlusOneDay);
alert('nowPlusOneDay Formatted(String):'+nowPlusOneDayStr);
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How to append a newline to StringBuilder
... It has a different value wether you are running Java on Windows (\r\n) or Unix (\n). If you use System.lineSeparator() all the time, you will therefore produce non portable files.
– tuscland
Jun 4 '15 at 16:26
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Use grep to report back only line numbers
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thanks for lovely old unix adhoc shell scripting. this shows that flexible tools are worth their complexity and learning curve!
– Alex
Dec 6 '13 at 8:44
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