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In-place edits with sed on OS X
...ion after the -i flag. Is -i'' dangerous for any reason other than potentially messing up the original file (and having no back-up)?
– SundayMonday
Sep 27 '11 at 17:48
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How do you print in a Go test using the “testing” package?
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Command go
Description of testing flags
-v
Verbose output: log all tests as they are run. Also print all
text from Log and Logf calls even if the test succeeds.
Package testing
func (*T) Log
func (c *T) Log(args ...interface{})
Log formats its arguments using default ...
Replacing some characters in a string with another character
I have a string like AxxBCyyyDEFzzLMN and I want to replace all the occurrences of x , y , and z with _ .
5 Answers
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Swift: #warning equivalent
...builds clean in production, but I get a warning in development that essentially reminds me I'm in dev mode - using different URLs, timeouts, other settings etc. Arie's suggestion above lets me do this, your technique just flags everything. That said, this technique has its use for sure so I up voted...
How to set NODE_ENV to production/development in OS X
...the second example (NODE_ENV=production node app.js). That way you potentially save yourself from some future hair-pulling in the event that you forget to set your local NODE_ENV back to development.
– Jon
Feb 15 '14 at 19:52
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What is copy-on-write?
...gy used in computer programming. The fundamental idea is that if multiple callers ask for resources which are initially indistinguishable, you can give them pointers to the same resource. This function can be maintained until a caller tries to modify its "copy" of the resource, at which point a true...
What kind of virtual machine is BEAM (the Erlang VM)?
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The Erlang VM runs as one OS process. By default it runs one OS thread per core to achieve maximum utilisation of the machine. The number of threads and on which cores they run can be set when the VM is started.
Erlang processes are implemented entir...
How to show git log history for a sub directory of a git repo?
...ne -- src/nvfs
d6f6b3b Changes for Mac OS X
803fcc3 Initial Commit
# Show all changes (one additional commit besides in src/nvfs).
$ git log --oneline
d6f6b3b Changes for Mac OS X
96cbb79 gitignore
803fcc3 Initial Commit
s...
Android Camera : data intent returns null
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Really helpful answer I wish I could accept it for others to find the solution more efficiently.
– user1160020
May 3 '13 at 13:32
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Regex: ignore case sensitivity
...ow can I make the following regex ignore case sensitivity? It should match all the correct characters but ignore whether they are lower or uppercase.
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