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How does type Dynamic work and how to use it?
..., Any]
def selectDynamic(name: String) =
map get name getOrElse sys.error("method not found")
def updateDynamic(name: String)(value: Any) {
map += name -> value
}
}
scala> val d = new DynImpl
d: DynImpl = DynImpl@7711a38f
scala> d.foo
java.lang.RuntimeException: method not...
Best explanation for languages without null
Every so often when programmers are complaining about null errors/exceptions someone asks what we do without null.
11 Answe...
jQuery AJAX file upload PHP
...file to the uploads directory:
<?php
if ( 0 < $_FILES['file']['error'] ) {
echo 'Error: ' . $_FILES['file']['error'] . '<br>';
}
else {
move_uploaded_file($_FILES['file']['tmp_name'], 'uploads/' . $_FILES['file']['name']);
}
?>
Also, a couple thi...
Recursive file search using PowerShell
...witch:
Get-ChildItem -Path V:\Myfolder -Filter CopyForbuild.bat -Recurse -ErrorAction SilentlyContinue -Force
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Is there a way to avoid null check before the for-each loop iteration starts? [duplicate]
Every time I have to iterate over a collection I end up checking for null, just before the iteration of the for-each loop starts. Like this:
...
Stop and Start a service via batch or cmd file?
How can I script a bat or cmd to stop and start a service reliably with error checking (or let me know that it wasn't successful for whatever reason)?
...
How can I find where I will be redirected using cURL?
...false); is a security vulnerability. It essentially says “Ignore the SSL errors if it’s broken – trust the same as you would an unencrypted URL.”.
– Finesse
Dec 8 '18 at 2:11
...
Cocoa Core Data efficient way to count entities
...ties:NO]; //Omit subentities. Default is YES (i.e. include subentities)
NSError *err;
NSUInteger count = [moc countForFetchRequest:request error:&err];
if(count == NSNotFound) {
//Handle error
}
[request release];
s...
What is Android keystore file, and what is it used for?
... going to use "push data" in your app!
– KapteinMarshall
Sep 4 '13 at 9:43
Is Keystore machine specific ? Or we can u...
Chrome sendrequest error: TypeError: Converting circular structure to JSON
...
Is it possible to "catch" this error and handle it?
– Doug Molineux
Nov 11 '15 at 21:47
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