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What are the differences between ArrayList and Vector?
...any accidental unsynchronized access to the list.
Reference
Data growth
Internally, both the ArrayList and Vector hold onto their contents using an Array. When an element is inserted into an ArrayList or a Vector, the object will need to expand its internal array if it runs out of room. A Vector ...
How do you extract a column from a multi-dimensional array?
...
@WarpDriveEnterprises yup, you'll have to convert the generator object to list and then do the subscripting. example: a2 = zip(*a); a2 = list(a2); a2[0]
– Rishabh Agrahari
May 16 '19 at 5:34
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Why aren't variables declared in “try” in scope in “catch” or “finally”?
...els of scope: global and function. But, try/catch is an exception (no pun intended). When an exception is thrown and the exception object gets a variable assigned to it, that object variable is only available within the "catch" section and is destroyed as soon as the catch completes.
(and more imp...
Check for null in foreach loop
...s "I know there are no elements" when null actually(/originally) should be interpreted as "I don't know if there are any elements" use an empty set to show that you know there are no elements in the set. That would also be DRY'er since you won't have to do the null check as often.
EDIT as a follow ...
Phase • Animations made easy! - Extensions - Kodular Community
...ed in `_discourse_splash.html.erb
const DELAY_TARGET = 2000;
const POLLING_INTERVAL = 50;
const splashSvgTemplate = document.querySelector(".splash-svg-template");
const splashTemplateClone = splashSvgTemplate.content.cloneNode(true);
const svgElement = splashTemplateClone.querySelector("svg");
cons...
Getter and Setter declaration in .NET [duplicate]
...te the way your data is accessed. C# has a nice syntax for turning a field into a property:
string MyProperty { get; set; }
This is called an auto-implemented property. When the need arises you can expand your property to:
string _myProperty;
public string MyProperty
{
get { return _myPrope...
How can I remove time from date with Moment.js?
...ying attention to timezones). I had an issue where my UTC date was getting converted to local time, then applying startOf('day'), which was then the start of the previous day. Fixed with moment(moment.utc('2013-10-29T00:00:00+00:00').startOf('day').format('LL')).startOf('day').toDate()
...
How do you test that a Python function throws an exception?
...edException, afunction)
And if afunction takes arguments, just pass them into assertRaises like this:
def test_afunction_throws_exception(self):
self.assertRaises(ExpectedException, afunction, arg1, arg2)
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How to for each the hashmap? [duplicate]
...perations(Stream operations) that looks similar to iterators from Iterable Interface.
Just copy paste below statement to your code and rename the HashMap variable from hm to your HashMap variable to print out key-value pair.
HashMap<Integer,Integer> hm = new HashMap<Integer, Integer>(...
What's wrong with this 1988 C code?
...os definitions, which were not present in the book, which as others have pointed out changes the meaning.
Except when making a change in an attempt to understand the code, you should leave it alone until you do understand it. You can only safely modify code you understand.
This was probably just ...