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Why use String.Format? [duplicate]
...know what goes where, I have to go back and forth between the text and the params, and that's not even counting the possibility of miscounting and getting it wrong (that may not be an issue with fewer parameters, but go over 10 and it stops being fun). As Ashley pointed out, the second point is null...
get dictionary value by key
...s true or false based on whether the key is found or not, and sets its out parameter to the corresponding value if the key is there.
If you want to check if the key is there or not and do something when it's missing, you need something like this:
bool hasValue = Data_Array.TryGetValue("XML_File", ...
Weighted random numbers
...;typename _IntType>
void
discrete_distribution<_IntType>::param_type::
_M_initialize()
{
if (_M_prob.size() < 2)
{
_M_prob.clear();
return;
}
const double __sum = std::accumulate(_M_prob.begin(),
...
How can I search (case-insensitive) in a column using LIKE wildcard?
...nection->prepare($q);
$query->bindValue(1, "%$string%", PDO::PARAM_STR);
$query->execute();
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Get file name from URL
...ersion commons-io 2.2 at least you still need to manually handle URLs with parameters. E.g. "example.com/file.xml?date=2010-10-20"
– Luke Quinane
Aug 13 '13 at 5:14
18
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Modifying a query string without reloading the page
...ustom key to the URL string without reloading the page.
function insertUrlParam(key, value) {
if (history.pushState) {
let searchParams = new URLSearchParams(window.location.search);
searchParams.set(key, value);
let newurl = window.location.protocol + "//" + window.loca...
Average of 3 long integers
...3 - 2
+ x / 3 + y / 3 + z / 3;
}
static long CalculateAverage(params long[] arr)
{
int count = arr.Length;
return (arr.Sum(n => n % count) + count * (count - 1)) / count - (count - 1)
+ arr.Sum(n => n / count);
}
...
Get output parameter value in ADO.NET
My stored procedure has an output parameter:
8 Answers
8
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What does T&& (double ampersand) mean in C++11?
...ry on A1& and on A1 const&. That might be fine if factory takes 1 parameter type, but each additional parameter type would multiply the necessary overload set by 2. That's very quickly unmaintainable.
rvalue references fix this problem by allowing the standard library to define a std::for...
How can I check if an argument is defined when starting/calling a batch file?
...on logic in a batch file but the "usage" block never executes even when no parameter is supplied to the batch file.
7 Answe...