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Define: What is a HashSet?
...dard collection operations Add, Remove, Contains, but since it uses a hash-based implementation, these operations are O(1). (As opposed to List for example, which is O(n) for Contains and Remove.) HashSet also provides standard set operations such as union, intersection, and symmetric difference. Ta...
Change Volley timeout duration
...licy different the than default for all your requests, you can set it in a base Request class, so you don't need to set the policy for all the instances of your requests.
Something like this:
public class BaseRequest<T> extends Request<T> {
public BaseRequest(int method, String ur...
How to Validate a DateTime in C#?
... format, but I guess there are times when TryParse is better. Example use based on your original code:
DateTime value;
if (!DateTime.TryParse(startDateTextBox.Text, out value))
{
startDateTextox.Text = DateTime.Today.ToShortDateString();
}
Reasons for preferring this approach:
Clearer code...
How to convert a color integer to a hex String in Android?
...th missed zeros when you convert colors like 0xFF000123.
Here is my kotlin based solution which doesn't require neither android specific classes nor java. So you could use it in multiplatform project as well:
fun Int.toRgbString(): String =
"#${red.toStringComponent()}${green.toStringC...
What is the difference between “git branch” and “git checkout -b”?
...ly. This command checks out the branch you specify, and resets the branch based on the source branch.
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Multidimensional Array [][] vs [,] [duplicate]
...-- meaningless, a 2d array can't use just one index.
UPDATE:
To clarify based on your question, the reason your #1 had a syntax error is because you had this:
double[][] ServicePoint = new double[10][9];
And you can't specify the second index at the time of construction. The key is that Servi...
Installing PIL with pip
... PIL code to Pillow can be done easily. Port PIL to Pillow . Pillow is based on the PIL code, and has evolved into a better, modern and more friendly version of PIL.
– GiriB
Sep 15 '15 at 14:15
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How to get started with developing Internet Explorer extensions?
... hand;' onclick='javascript:FncAddedByAddon()' title='Click to open script based alert window.'>" + TextToHighlight + "</span>");
var newNode = document2.createElement("span");
newNode.innerHTML = newText;
d...
How to use XPath in Python?
...r elem in root.findall('.//child/grandchild'):
# How to make decisions based on attributes even in 2.6:
if elem.attrib.get('name') == 'foo':
result = elem.text
break
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How do I refresh the page in ASP.NET? (Let it reload itself by code)
...s used. If it's used in an action / code block that is specifically called based on an action or condition then it will only fire once every iteration and if coded correctly in isolation.
– Phill Healey
Nov 27 '15 at 16:10
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