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Equivalent of strace -feopen < command > on mac os X
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edited May 2 '17 at 15:47
answered Dec 18 '09 at 3:37
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Rails.env vs RAILS_ENV
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edited Jan 6 '14 at 21:40
sameers
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Pip freeze vs. pip list
...ic format for pip to understand, which is
feedparser==5.1.3
wsgiref==0.1.2
django==1.4.2
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That is the "requirements format".
Here, django==1.4.2 implies install django version 1.4.2 (even though the latest is 1.6.x).
If you do not specify ==1.4.2, the latest version available would be instal...
passing several arguments to FUN of lapply (and others *apply)
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If you look up the help page, one of the arguments to lapply is the mysterious .... When we loo...
How do I provide JVM arguments to VisualVM?
I'm using VisualVM from JDK 1.6.0_26 to profile a Java webapp running under Tomcat, but VisualVM often tells me that it doesn't have enough memory to take a snapshot, and to use the -Xmx switch to provide more memory to Netbeans. The problem is, I'm running VisualVM outside of Netbeans, so how can I...
Difference between var_dump,var_export & print_r
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Ignoring a class property in Entity Framework 4.1 Code First
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Why is 'this' a pointer and not a reference?
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