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How to maintain a Unique List in Java?
...ately prior to the invocation.)
So, the output of the code above...
Set<Integer> linkedHashSet = new LinkedHashSet<>();
linkedHashSet.add(3);
linkedHashSet.add(1);
linkedHashSet.add(2);
for (int i : linkedHashSet) {
System.out.println(i);
}
...will necessarily be
3
1
2
...
Delete files older than 3 months old in a directory using .NET
...in files)
{
FileInfo fi = new FileInfo(file);
if (fi.LastAccessTime < DateTime.Now.AddMonths(-3))
fi.Delete();
}
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follow
...
Nesting await in Parallel.ForEach
...ou can Post() each id to the TransformBlock.
In code:
var ids = new List<string> { "1", "2", "3", "4", "5", "6", "7", "8", "9", "10" };
var getCustomerBlock = new TransformBlock<string, Customer>(
async i =>
{
ICustomerRepo repo = new CustomerRepo();
return ...
Is there a standard sign function (signum, sgn) in C/C++?
...
Surprised no one has posted the type-safe C++ version yet:
template <typename T> int sgn(T val) {
return (T(0) < val) - (val < T(0));
}
Benefits:
Actually implements signum (-1, 0, or 1). Implementations here using copysign only return -1 or 1, which is not signum. Also, so...
Resolving javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path
...th the following command:
keytool -import -noprompt -trustcacerts -alias <AliasName> -file <certificate> -keystore <KeystoreFile> -storepass <Password>
After import you can run the first command again to check if your certificate was added.
Sun/Oracle information can be ...
How to check if all of the following items are in a list?
...
Operators like <= in Python are generally not overriden to mean something significantly different than "less than or equal to". It's unusual for the standard library does this--it smells like legacy API to me.
Use the equivalent and mor...
Remove element of a regular array
...
If you don't want to use List:
var foos = new List<Foo>(array);
foos.RemoveAt(index);
return foos.ToArray();
You could try this extension method that I haven't actually tested:
public static T[] RemoveAt<T>(this T[] source, int index)
{
T[] dest = new T[sou...
jQuery UI: Datepicker set year range dropdown to 100 years
Using the Datepicker the year drop down by default shows only 10 years. The user has to click the last year in order to get more years added.
...
IISExpress returns a 503 error from remote machines
...our WebSite entry and add following binding with your machine name.
<binding protocol="http" bindingInformation=":50333:your-machine-name" />
Restart IIS Express
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Why does Maven warn me about encoding?
...enerated-sources/archetype/pom.xml and then runs the package goal (by default) on this POM.
The generated POM file doesn't have project.build.sourceEncoding or any other property defining encoding, and that's why you get the warning.
The POM is generated from this prototype by org.apache.maven.arc...