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How to get the changes on a branch in Git
...it-diff does not take a list of revisions - it takes one or two revisions, and has defined the A...B syntax to mean how it's defined in the git-diff manpage. If git-diff did not explicitly define A...B, then that syntax would be invalid. Note that the git-rev-parse manpage describes A...B in the "Sp...
How to manually expand a special variable (ex: ~ tilde) in bash
...ted this there have been far better answers than my admittedly rudimentary and pretty bad answer (I was young, don't kill me).
The other solutions in this thread are safer and better solutions. Preferably, I'd go with either of these two:
Charle's Duffy's solution
Håkon Hægland's solution
O...
Installing Java on OS X 10.9 (Mavericks)
....8 (Mountain Lion). When I upgraded it to Mac OS X v10.9 (Mavericks) and ran java -version in the terminal, it showed:
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How can I stage and commit all files, including newly added files, using a single command?
How can I stage and commit all files, including newly added files, using a single command?
12 Answers
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Null coalescing in powershell
...wershell 7 introduces native null coalescing, null conditional assignment, and ternary operators in Powershell.
Null Coalescing
$null ?? 100 # Result is 100
"Evaluated" ?? (Expensive-Operation "Not Evaluated") # Right side here is not evaluated
Null Conditional Assignment
$x = $null
$x ?...
Override configured user for a single git commit
...r credentials, possible using a different configuration file or orther command line switches?
6 Answers
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Convert string to a variable name
...ttp://www.r-bloggers.com/converting-a-string-to-a-variable-name-on-the-fly-and-vice-versa-in-r/
To convert a string to a variable:
x <- 42
eval(parse(text = "x"))
[1] 42
And the opposite:
x <- 42
deparse(substitute(x))
[1] "x"
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How can I use a local image as the base image with a dockerfile?
... latest 0378ea1c0b6c 19 hours ago 1.36 GB And doing "FROM ubuntu1504gcc484" in my other Dockerfile, and this works just fine. (Apologies for the poor formatting)
– Pejvan
Apr 21 '15 at 12:16
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Conditional Variable vs Semaphore
When should one use a semaphore and when should one use a conditional variable (CondVar) ?
6 Answers
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Prevent multiple instances of a given app in .NET?
...way to prevent multiple instances of an app from running at the same time? And if there's no "best" technique, what are some of the caveats to consider with each solution?
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