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How to tell if a file is git tracked (by shell exit code)?
...atch (full path + filename), but can be used with wildcards: git ls-files *foo.rb
– dechimp
Apr 26 '19 at 16:57
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How to display loading message when an iFrame is loading?
...
I think that this code is going to help:
JS:
$('#foo').ready(function () {
$('#loadingMessage').css('display', 'none');
});
$('#foo').load(function () {
$('#loadingMessage').css('display', 'none');
});
HTML:
<iframe src="http://google.com/" id="foo"></if...
GOBIN not set: cannot run go install
... element, not the entire path. That is, the command with source in DIR/src/foo/quux is installed into DIR/bin/quux, not DIR/bin/foo/quux. The "foo/" prefix is stripped so that you can add DIR/bin to your PATH to get at the installed commands.
If the GOBIN environment variable is set, commands ...
Read lines from a file into a Bash array [duplicate]
...e in the file as separator (not only \n). I.e. if Nth line in the file is "foo bar", the resulting array will contain separate foo and bar entries, not a single foo bar entry.
– Sasha
Jan 7 '19 at 10:03
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Why do we need a pure virtual destructor in C++?
...ved classes (yes pure virtual functions can have implementations).
struct foo {
virtual void bar() = 0;
};
void foo::bar() { /* default implementation */ }
class foof : public foo {
void bar() { foo::bar(); } // have to explicitly call default implementation.
};
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git: patch does not apply
...a prompt, and --3way doesn't actually apply anything. error: patch failed: Foo.cs:4 Falling back to three-way merge... error: patch failed: Foo.cs:4 error: Foo.cs: patch does not applyHowever, on the same patch file, it will apply if I ignore whitespace (then I have to go fix up the whitespace).
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When to use leading slash in gitignore
...elow, without the slash, the wildcard would also exclude everything within foo because it would take * and move recursively down the tree. However, with /*, it excludes everything except folder foo and its contents:
$ cat .gitignore
/*
!/foo
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Is there a generic constructor with parameter constraint in C#?
...nc<int,T> del) {
var t = del(42);
}
Use Case
Method(x => new Foo(x));
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throwing an exception in objective-c/cocoa
... use [NSException raise:format:] as follows:
[NSException raise:@"Invalid foo value" format:@"foo of %d is invalid", foo];
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call a static method inside a class?
...is is your class:
class Test
{
private $baz = 1;
public function foo() { ... }
public function bar()
{
printf("baz = %d\n", $this->baz);
}
public static function staticMethod() { echo "static method\n"; }
}
From within the foo() method, let's look at the dif...