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Accessing bash command line args $@ vs $*
In many SO questions and bash tutorials I see that I can access command line args in bash scripts in two ways:
5 Answers
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What is a Memory Heap?
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A memory heap is a location in memory where memory may be allocated at random access. Unlike the stack where memory is allocated and released in a very defined order, individual data elements allocated on the heap are typically released in ways which is asynchronous from one another. Any such d...
How do you list the active minor modes in emacs?
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C-h m or M-x describe-mode shows all the active minor modes (and major mode) and a brief description of each.
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Split string using a newline delimiter with Python
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It will work for \r\n and other type of line boundaries as well.
– Ashwini Chaudhary
Feb 26 '14 at 13:37
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Nullable type issue with ?: Conditional Operator
...looking at the variable to which it is assigned, but by looking at the operands instead. It finds <null> and DateTime and instead of finding the common ancestor type, it just tries to find a conversion between each other. (Extra bit: C# recognizes a <null> type, i.e. the type of every nu...
.NET JIT potential error?
...code gives different output when running the release inside Visual Studio, and running the release outside Visual Studio. I'm using Visual Studio 2008 and targeting .NET 3.5. I've also tried .NET 3.5 SP1.
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How to use subprocess popen Python
...ata. A clever attacker can modify the input to access arbitrary system commands. E.g. by inputting filename.swf; rm -rf / for the value of filename. However, this is only a problem, when the contents of your argument to Popen is insecure.
– Hans Then
Sep 26 '12...
How do I accomplish an if/else in mustache.js?
...e are the only checks, i.e. you can't check if the value of a tag equals 5 and then fall into that tag's code.
– MandM
Nov 13 '15 at 19:21
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Select rows of a matrix that meet a condition
...matrix(1:20, ncol = 4)
colnames(m) <- letters[1:4]
The following command will select the first row of the matrix above.
subset(m, m[,4] == 16)
And this will select the last three.
subset(m, m[,4] > 17)
The result will be a matrix in both cases.
If you want to use column names to selec...
How can sbt pull dependency artifacts from git?
I've heard (and I know I've seen examples too, if only I can remember where) that sbt can obtain dependencies from a git repo.
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