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sed command with -i option (in-place editing) works fine on Ubuntu but not Mac [duplicate]
...lf.
With BSD/macOS sed, not specifying a suffix means specifying the empty string as the - mandatory - suffix, and for technical reasons, the empty string can only be passed as a separate argument: that is, -i '' not -i''.
-i'' doesn't work, because to sed it is indistinguishable from just -i, bec...
ExecJS::RuntimeError on Windows trying to follow rubytutorial
...
IO.popen(command, options) { |f| output = f.read }
returning an empty string in execjs\external_runtine.rb (line 173 in version 1.4.0). This is why the error message contains no text. The changes suggested did not work for me. I changed UTF-16LE to UTF-8, but it still returned an empty string. ...
count members with jsonpath?
...Test
public void givenJson_whenGetLengthWithJsonPath_thenGetLength() {
String jsonString = "{'username':'jhon.user','email':'jhon@company.com','age':'28'}";
int length = JsonPath
.parse(jsonString)
.read("$.length()");
assertThat(length).isEqualTo(3);
}
Or simply pars...
Why doesn't Java allow to throw a checked exception from static initialization block?
...assA();
Class<ClassB> clazz = Class.forName(ClassB.class);
String something = ClassC.SOME_STATIC_FIELD;
} catch (Exception oops) {
// anybody knows which type might occur?
}
}
And another nasty thing -
interface MyInterface {
final static ClassA a = new ClassA();
}
Im...
UIDevice uniqueIdentifier deprecated - What to do now?
...).
Example:
I am defining a custom method for creating a UUID as :
- (NSString *)createNewUUID
{
CFUUIDRef theUUID = CFUUIDCreate(NULL);
CFStringRef string = CFUUIDCreateString(NULL, theUUID);
CFRelease(theUUID);
return [(NSString *)string autorelease];
}
You can then store it ...
Run PHP Task Asynchronously
...ndProcess {
static function open($exec, $cwd = null) {
if (!is_string($cwd)) {
$cwd = @getcwd();
}
@chdir($cwd);
if (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN') {
$WshShell = new COM("WScript.Shell");
$WshShell->CurrentDirec...
How can I assign the output of a function to a variable using bash?
...local nl=$'\x0a'; # that's just \n
echo "output${nl}${nl}" # 2 in the string + 1 by echo
}
# append a character to the total output.
# and strip it with %% parameter expansion.
VAR=$(scan2; echo "x"); VAR="${VAR%%x}"
echo "${VAR}---"
prints (3 newlines kept):
output
---
Use an output p...
Use ASP.NET MVC validation with jquery ajax?
...ial views via ajax in the following way:
var view = this.RenderRazorViewToString(partialUrl, viewModel);
return Json(new { success = true, view }, JsonRequestBehavior.AllowGet);
RenderRazorViewToString method:
public string RenderRazorViewToString(string viewName, object model)
{
...
Difference between git stash pop and git stash apply
...e working on master branch and have a file hello.txt that contains "Hello" string.
Let's modify the file and add " world" string to it. Now you want to move to a different branch to fix a minor bug you've just found, so you need to stash your changes:
git stash
You moved to the other branch, fix...
What does `:_*` (colon underscore star) do in Scala?
...plats"1 the sequence.
Look at the constructor signature
new Elem(prefix: String, label: String, attributes: MetaData, scope: NamespaceBinding,
child: Node*)
which is called as
new Elem(prefix, label, attributes, scope,
child1, child2, ... childN)
but here there is only a seq...