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Why would a JavaScript variable start with a dollar sign? [duplicate]
...ome examples of valid identifier names:
var _ = function() { alert("hello from _"); }
var \u0024 = function() { alert("hello from $ defined as u0024"); }
var Ø = function() { alert("hello from Ø"); }
var $$$$$ = function() { alert("hello from $$$$$"); }
All of the examples above ...
What is the smallest possible valid PDF?
...
I could not get the hello world example to open.
For a small-ish file with text content :
%PDF-1.2
9 0 obj
<<
>>
stream
BT/ 9 Tf(Test)' ET
endstream
endobj
4 0 obj
<<
/Type /Page
/Parent 5 0 R
/Contents 9 0 R
>>
endobj...
String.Replace ignoring case
I have a string called "hello world"
16 Answers
16
...
How to access parent scope from within a custom directive *with own scope* in AngularJS?
...>
</head>
<body ng-controller="MainCtrl">
<p>Hello {{name}}!</p>
<p> Directive Content</p>
<sd-items-filter selected-items="selectedItems" selected-items-changed="selectedItemsChanged(selectedItems)" items="items"> </sd-items-filter&g...
How to get a string after a specific substring?
...
The easiest way is probably just to split on your target word
my_string="hello python world , i'm a beginner "
print my_string.split("world",1)[1]
split takes the word(or character) to split on and optionally a limit to the number of splits.
In this example split on "world" and limit it to onl...
php: determine where function was called from
...
$backtrace = debug_backtrace();
print_r( $backtrace );
}
epic( 'Hello', 'World' );
Output:
Array
(
[0] => Array
(
[file] => /Users/romac/Desktop/test.php
[line] => 5
[function] => fail
[args] => Array
...
Execute command on all files in a directory
... touch foo.txt bar.txt baz.txt
el@defiant ~/foo $ for i in *.txt; do echo "hello $i"; done
hello bar.txt
hello baz.txt
hello foo.txt
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How can I make one python file run another? [duplicate]
...n
import yoursubfile
Put this in yoursubfile.py
#!/usr/bin/python
print("hello")
Run it:
python main.py
It prints:
hello
Thus main.py runs yoursubfile.py
There are 8 ways to answer this question, A more canonical answer is here: How to import other Python files?
...
Are string.Equals() and == operator really same? [duplicate]
...cts:
// Avoid getting confused by interning
object x = new StringBuilder("hello").ToString();
object y = new StringBuilder("hello").ToString();
if (x.Equals(y)) // Yes
// The compiler doesn't know to call ==(string, string) so it generates
// a reference comparision instead
if (x == y) // No
stri...
Checkout another branch when there are uncommitted changes on the current branch
...tted version of that file), then you can switch freely.
Example:
$ echo 'hello world' > file.txt
$ git add file.txt
$ git commit -m "adding file.txt"
$ git checkout -b experiment
$ echo 'goodbye world' >> file.txt
$ git add file.txt
$ git commit -m "added text"
# experiment now cont...