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Collection that allows only unique items in .NET?
...implementing IEquatable, you can pass a (custom) implementation of EqualityComparer<T> instance to the HashSet<T> constructor.
– Sipke Schoorstra
Jun 20 '19 at 19:52
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Entity Framework: “Store update, insert, or delete statement affected an unexpected number of rows (
...he error and it'll still not update anything. Are you able to view the SQL commands going to your database (EG: SQL Server Profiler for MSSQL)? This way you could see what update it's generated and should be able to see why that update doesn't affect any rows.
– fyjham
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Custom Compiler Warnings
When using the ObsoleteAtribute in .Net it gives you compiler warnings telling you that the object/method/property is obsolete and somthing else should be used. I'm currently working on a project that requires a lot of refactoring an ex-employees code. I want to write a custom attribute that I can u...
Sorting HashMap by values [duplicate]
...It.hasNext()) {
Integer key = keyIt.next();
String comp1 = passedMap.get(key);
String comp2 = val;
if (comp1.equals(comp2)) {
keyIt.remove();
sortedMap.put(key, val);
break;
}
}
}...
Run an OLS regression with Pandas Data Frame
...d appreciate if you could have a look at this and thank you: stackoverflow.com/questions/44923808/…
– Desta Haileselassie Hagos
Jul 5 '17 at 16:10
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Create a hexadecimal colour based on a string with JavaScript
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Just porting over the Java from Compute hex color code for an arbitrary string to Javascript:
function hashCode(str) { // java String#hashCode
var hash = 0;
for (var i = 0; i < str.length; i++) {
hash = str.charCodeAt(i) + ((hash <<...
Get selected value in dropdown list using JavaScript
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Vitalii FedorenkoVitalii Fedorenko
91.6k2424 gold badges140140 silver badges111111 bronze badges
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Shell Script — Get all files modified after
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91
If you have GNU find, then there are a legion of relevant options. The only snag is that the i...
Use jQuery to hide a DIV when the user clicks outside of it
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91
This code detects any click event on the page and then hides the #CONTAINER element if and only...
What is the proper way to check if a string is empty in Perl?
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For string comparisons in Perl, use eq or ne:
if ($str eq "")
{
// ...
}
The == and != operators are numeric comparison operators. They will attempt to convert both operands to integers before comparing them.
See the perlop man pa...