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Single script to run in both Windows batch and Linux Bash?

...that any use of $? must be before your next colon : because : resets $? to 0. :; echo "Hi, I’m ${SHELL}."; exit $? @ECHO OFF ECHO I'm %COMSPEC% A very contrived example of guarding $?: :; false; ret=$? :; [ ${ret} = 0 ] || { echo "Program failed with code ${ret}." >&2; exit 1; } :; exit...
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Fill remaining vertical space with CSS using display:flex

...: DEMO section { display: flex; flex-flow: column; height: 300px; } header { background: tomato; /* no flex rules, it will grow */ } div { flex: 1; /* 1 and it will fill whole space left if no flex value are set to other children*/ background: gold; overflow: a...
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Get form data in ReactJS

... jbaiterjbaiter 5,31044 gold badges2424 silver badges3434 bronze badges ...
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How to create relationships in MySQL

... 104 If the tables are innodb you can create it like this: CREATE TABLE accounts( account_id I...
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How to detect the current OS from Gradle

...Gradle branch, and it seems to work nicely. gradle/gradle-core/branches/RB-0.3/build.gradle share | improve this answer | follow | ...
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Does Python optimize tail recursion?

...refers to be able to have proper tracebacks: Tail Recursion Elimination (2009-04-22) Final Words on Tail Calls (2009-04-27) You can manually eliminate the recursion with a transformation like this: >>> def trisum(n, csum): ... while True: # Change recursion to a ...
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Python threading.timer - repeat function every 'n' seconds

I want to fire off a function every 0.5 seconds and be able to start and stop and reset the timer. I'm not too knowledgeable of how Python threads work and am having difficulties with the python timer. ...
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What is the difference between And and AndAlso in VB.NET?

...u would use &&. More info here: http://www.panopticoncentral.net/2003/08/18/the-ballad-of-andalso-and-orelse/ share | improve this answer | follow | ...
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Remove scrollbar from iframe

... answered Apr 10 '12 at 2:01 takientakien 93877 silver badges1111 bronze badges ...
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How to remove outliers from a dataset

I've got some multivariate data of beauty vs ages. The ages range from 20-40 at intervals of 2 (20, 22, 24....40), and for each record of data, they are given an age and a beauty rating from 1-5. When I do boxplots of this data (ages across the X-axis, beauty ratings across the Y-axis), there are so...