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Are database triggers evil? [closed]
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The main problems with triggers are
They are completely Global - they apply no matter what the context of the table activity;
They are stealthy; it's easy to forget they are there until they hurt you with unintended (and very m...
Lightweight SQL editor for Eclipse [closed]
Is there any simple SQL editor in Eclipse? Or do I need to find a simple SQL editor plugin for Eclipse?
6 Answers
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Converting String to “Character” array in Java
I want to convert a String to an array of objects of Character class but I am unable to perform the conversion. I know that I can convert a String to an array of primitive datatype type "char" with the toCharArray() method but it doesn't help in converting a String to an array of objects of C...
No IUserTokenProvider is registered
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You have to specify a UserTokenProvider to generate a token.
using Microsoft.Owin.Security.DataProtection;
using Microsoft.AspNet.Identity.Owin;
// ...
var provider = new DpapiDataProtectionProvider("SampleAppName");
var userManager = new UserManager<ApplicationUser>(new UserStor...
Download File Using Javascript/jQuery
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Use an invisible <iframe>:
<iframe id="my_iframe" style="display:none;"></iframe>
<script>
function Download(url) {
document.getElementById('my_iframe').src = url;
};
</script>
To force the brows...
How do I concatenate strings and variables in PowerShell?
Suppose I have the following snippet:
21 Answers
21
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Delete all local changesets and revert to tree
I'm using Mercurial and I've got into a terrible mess locally, with three heads. I can't push, and I just want to delete all my local changes and commits and start again with totally clean code and a clean history.
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What's the easiest way to call a function every 5 seconds in jQuery? [duplicate]
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You don't need jquery for this, in plain javascript, the following will work!
window.setInterval(function(){
/// call your function here
}, 5000);
To stop the loop you can use
clearInterval()
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.NET: Which Exception to Throw When a Required Configuration Setting is Missing?
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You're not limited in your exception-throwing to existing exceptions in the Framework. If you do decide to use existing exceptions, you don't absolutely have to follow the documentation to the letter. The documentation will describe how the f...
Multiple Type Constraints in Swift
...omeProtocol, SomeOtherProtocol> ), but it's a little less flexible.
Using where lets you deal with cases where multiple types are involved.
You may still want to compose protocols for reuse in multiple places, or just to give the composed protocol a meaningful name.
Swift 5:
func someFunc(ar...