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Why does this loop produce “warning: iteration 3u invokes undefined behavior” and output more than 4
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Signed integer overflow (as strictly speaking, there is no such thing as "unsigned integer overflow") means undefined behaviour. And this means anything can happen, and discussing why does it happen under the rules of C++ doesn't make sense.
C...
Sorting dropdown alphabetically in AngularJS
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@DaveEveritt one way to set a default (and to remove the blank item) is to pre-select a bound item for selected. For this example you can do something like $scope.selected = $scope.friends[0]. See this fiddle for a working sample.
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RE error: illegal byte sequence on Mac OS X
...oss","clang:-Os|g' Configure
Note: What matters is an effective LC_CTYPE setting of C, so LC_CTYPE=C sed ... would normally also work, but if LC_ALL happens to be set (to something other than C), it will override individual LC_*-category variables such as LC_CTYPE. Thus, the most robust approach i...
Grep for literal strings
...grep for that, with the -F option.
-F, --fixed-strings PATTERN is a set of newline-separated fixed strings
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How do I save and restore multiple variables in python?
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Read values into a shell variable from a pipe
... ah! so good, this. if testing in an interactive shell, also: "set +m" (not required in an .sh script)
– XXL
May 22 '16 at 15:54
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How to fix/convert space indentation in Sublime Text?
...ument.
TL;DR:
Converting from 2 spaces to 4 spaces:
Ensure tab width is set to 2. Convert your 2-space indentation to tabs, switch to tab width 4, and then convert the indentation back to spaces.
The detailed description:
Go to:
View -> Indentation
It should read:
Indent using spaces [x]...
Iterating through directories with Python
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What is the apply function in Scala?
...adding clutter to the code using a factory method we can apply object to a set of arguments to create a new instance of an associated class:
List(1,2,3) // same as List.apply(1,2,3) but less clutter, functional notation
// the way the factory method invocation would have looked
// in other languag...
How to delete multiple files at once in Bash on Linux?
... read, and if you're really ambitious it can be nested.
Finally, if the subset of files you want to delete can't be easily expressed with a regular expression, a trick I often use is to list the files to a temporary text file, then edit it:
$ ls > list
$ vi list # Use your favorite text editor
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