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Efficiently checking if arbitrary object is NaN in Python / numpy / pandas?
...g these are numpy arrays not regular python ones. For example: np.array(["hello"])[0].dtype works but ["hello"][0].dtype does not
– Hammer
Jun 19 '17 at 21:21
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Is it good practice to use java.lang.String.intern()?
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So you mean, if there are 1000 objects of "Hello" in Heap and i perform intern() on one of them, then rest 999 objects will be destroyed automatically?
– Arun Raaj
Mar 23 '18 at 12:28
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Is there a splice method for strings?
...us, strings are not just immutable, they are a value. Changing the string "hello" to be "world" is like deciding that from now on the number 3 is the number 4... it makes no sense.
So, with that in account, one may expect the "string.splice" thing to only:
accepts up to 2 arguments: start positi...
Returning a value from thread?
... return value
var thread = new Thread(
() =>
{
value = "Hello World"; // Publish the return value
});
thread.Start();
thread.Join();
Console.WriteLine(value); // Use the return value here
}
shar...
How do I add spacing between columns in Bootstrap?
...adding.
<div class="col-md-6 box">
<div class="inner">Hello</div>
</div>
<div class="col-md-6 box">
<div class="inner">Hello</div>
</div>
CSS:
.box {
padding: 0 5px 0 5px;
}
.box .inner {
background-color: #fff;
}
Have a g...
Change string color with NSAttributedString?
...e the attributed string
let attributedString = NSAttributedString(string: "Hello World!", attributes: attributedStringColor)
// Set the label
label.attributedText = attributedString
In Swift 3:
// Custom color
let greenColor = UIColor(red: 10/255, green: 190/255, blue: 50/255, alpha: 1)
// creat...
How to draw a circle with text in the middle?
...fff;
text-align: center;
background: #000
}
<div class="circle">Hello I am A Circle</div>
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How to put multiple statements in one line?
...ec statement, eg.:
exec("try: \n \t if sam[0] != 'harry': \n \t\t print('hello', sam) \nexcept: pass")
Where \n is a newline and \t is used as indentation (a tab).
Also, you should count the spaces you use, so your indentation matches exactly.
However, as all the other answers already said, th...
Is there a built-in function to print all the current properties and values of an object?
...hose exist in vars() or in the __dict__ attribute.
– HelloGoodbye
Aug 9 '19 at 7:44
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Checking if a key exists in a JavaScript object?
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It will return undefined.
var aa = {hello: "world"};
alert( aa["hello"] ); // popup box with "world"
alert( aa["goodbye"] ); // popup box with "undefined"
undefined is a special constant value. So you can say, e.g.
// note the three equal sig...