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Clang vs GCC for my Linux Development project
...nswered Nov 21 '11 at 0:07
Fred FooFred Foo
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Interpolating a string into a regex
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Same as string insertion.
if goo =~ /#{Regexp.quote(foo)}/
#...
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Get type of all variables
...(c(TRUE, FALSE)) #a vector containing only logicals: logical
#R is really cramping my style, killing my high, irritation is increasing:
typeof(factor()) #an empty factor has default type: integer
typeof(factor(3.14)) #a factor containing doubles: integer
typeof(factor(...
How to replace strings containing slashes with sed?
...not part of either string. Or, you could escape it with a backslash:
s/\//foo/
Which would replace / with foo. You'd want to use the escaped backslash in cases where you don't know what characters might occur in the replacement strings (if they are shell variables, for example).
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How to split a string in shell and get the last field
...: (while using the string operators yields an empty result). This is especially handy when parsing paths that could contain (or not) a finishing / character.
– eckes
Jan 23 '13 at 15:23
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Undo a merge by pull request?
...erge, but I noticed that it merged in a bunch of commits. So now there are all these commits from this person from days before the merge. How do you undo this?
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What is the difference between location list and quickfix list in vim
...ng those commands efficiently.
Hands-on illustrated example:
Do :lvim foo % in foo.txt to create a location list for the window containing foo.txt.
Do :lne a few times to jump to a few foo in foo.txt.
Focus on bar.txt and do :lne. What happens?
Now, do :lvim bar % in bar.txt to create a locati...
Is the primary key automatically indexed in MySQL?
...key is always indexed. This is the same for MyISAM and InnoDB, and is generally true for all storage engines that at all supports indices.
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How to attach javadoc or sources to jars in libs folder?
New version of ADT r17 plugin for Eclipse added feature to automatically setup JAR dependencies. Any .jar files in the /libs folder are added to the build configuration now. Unfortunately Android Dependencies classpath container is non modifiable.
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How to make an enum conform to a protocol in Swift?
Swift documentation says that classes , structs , and enums can all conform to protocols, and I can get to a point where they all conform. But I can't get the enum to behave quite like the class and struct examples:
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