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JavaScript property access: dot notation vs. brackets?
...u to access properties by name stored in a variable:
var obj = { "abc" : "hello" };
var x = "abc";
var y = obj[x];
console.log(y); //output - hello
obj.x would not work in this case.
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impr...
What does the regular expression /_/g mean?
...
Like everyone else has said, it replaces all underscores with spaces. So "Hello_there." would become "Hello there."
But along with the answer, I want to suggest something to you. Use comments.
In your code say something like:
// Replaces all underscores so that blah blah blah blah blah..
var hel...
Passing data between a fragment and its container activity
...aPass...
@Override
public void onDataPass(String data) {
Log.d("LOG","hello " + data);
}
KOTLIN
Step 1. Create Interface
interface OnDataPass {
fun onDataPass(data: String)
}
Step 2. Then, connect the containing class' implementation of the interface to the fragment in the onAtt...
What is the best way to conditionally apply attributes in AngularJS?
... value from the attribute.
<a ng-attr-href="{{value || undefined}}">Hello World</a>
Will produce (when value is false)
<a ng-attr-href="{{value || undefined}}" href>Hello World</a>
So don't use false because that will produce the word "false" as the value.
<a ng-att...
Is using a lot of static methods a bad thing?
...ransforming A to B, say all we're doing is transforming text to go from
"hello" =>(transform)=> "<b>Hello!</b>"
Then a static method would make sense.
However, if you're invoking these static methods on an object frequently and it tends to be unique for many calls (e.g. the ...
CoffeeScript on Windows?
...coffeescript
Write a script in your favourite text editor. Save it, say as hello.coffee
Run your script coffee hello.coffee or compile it coffee -c hello.coffee (to hello.js)
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Declaring Multiple Variables in JavaScript
...ty of accident global variables creation:
(function () {
var variable1 = "Hello World!" // semicolon is missed out accidently
var variable2 = "Testing..."; // still a local variable
var variable3 = 42;
}());
While the second way is less forgiving:
(function () {
var variable1 = "Hello World!" //...
Strings are objects in Java, so why don't we use 'new' to create them?
...bject , then it will create new object everytime .
Example:
String s1=“Hello“;
String s2=“Hello“;
String s3= new String(“Hello“);
String s4= new String(“Hello“);
For the above code in memory :
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Convert string to binary in python
...
Something like this?
>>> st = "hello world"
>>> ' '.join(format(ord(x), 'b') for x in st)
'1101000 1100101 1101100 1101100 1101111 100000 1110111 1101111 1110010 1101100 1100100'
#using `bytearray`
>>> ' '.join(format(x, 'b') for x in by...
How to process SIGTERM signal gracefully?
...gnal":
signal.signal(signal.SIGTERM, sigterm_handler)
try:
print "Hello"
i = 0
while True:
i += 1
print "Iteration #%i" % i
sleep(1)
finally:
print "Goodbye"
Now see the Ctrl+C behaviour:
$ ./signals-test.py default
Hello
Iteration #1
Iteration #2
Iter...