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How to fix Error: “Could not find schema information for the attribute/element” by creating schema
...e- app.xsd which I saved to the root directory. The errors dissapeared but now i get a warning: "The global element 'configuration' has aleady been declared". Any idea on how to fix this?
– Brian McCarthy
Mar 15 '11 at 16:10
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What is null in Java?
...ify:
Uninitialized state
Termination condition
Non-existing object
An unknown value
How is it represented in the memory?
In Java? None of your concern. And it's best kept that way.
Is null a good thing?
This is now borderline subjective. Some people say that null causes many programme...
Simple proof that GUID is not unique [closed]
... Console.WriteLine("{0:u} - Building a bigHeapOGuids.", DateTime.Now);
// Fill up memory with guids.
var bigHeapOGuids = new HashSet<Guid>();
try
{
do
{
bigHeapOGuids.Add(Guid.NewGuid(...
Difference between timestamps with/without time zone in PostgreSQL
...ly in the docs. The difference arises from what the system can reasonably know about the value:
With a time zone as part of the value, the value can be rendered as a local time in the client.
Without a time zone as part of the value, the obvious default time zone is UTC, so it is rendered for that...
Is it possible to use Visual Studio on macOS?
... Core is cross-platform, as is the 'Visual Studio Code' editor, which also now supports debugging. Thus, if you install Visual Studio Code and .NET Core on a Mac in OS X you can quite freely edit and compile and run and debug and share your code with Visual Studio 2017 on a PC.
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Measure elapsed time in Swift
...I wrote to measure Project Euler problems in Swift
As of Swift 3, there is now a version of Grand Central Dispatch that is "swiftified". So the correct answer is probably to use the DispatchTime API.
My function would look something like:
// Swift 3
func evaluateProblem(problemNumber: Int, problemBl...
How to remove time portion of date in C# in DateTime object only?
...
Use the Date property:
var dateAndTime = DateTime.Now;
var date = dateAndTime.Date;
The date variable will contain the date, the time part will be 00:00:00.
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improv...
Kotlin: how to pass a function as parameter to another?
...to foo
fun something() {
foo("hi", ::buz)
}
Since Kotlin 1.1 you can now use functions that are class members ("Bound Callable References"), by prefixing the function reference operator with the instance:
foo("hi", OtherClass()::buz)
foo("hi", thatOtherThing::buz)
foo("hi", this::buz)
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Rename a git submodule
...nd .gitmodules properly in 2018 versions of GIT.
Note: You may be able to now just do git mv oldpath newpath now, as pointed out in VonC's answer. (Ensure you are using the latest version of git)
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How stable is the git plugin for eclipse?
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And it's stable now.. bundled with Eclipse Indigo 3.7
– Afriza N. Arief
Jul 14 '11 at 8:26
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