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Removing duplicate rows from table in Oracle
I'm testing something in Oracle and populated a table with some sample data, but in the process I accidentally loaded duplicate records, so now I can't create a primary key using some of the columns.
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Disable Rails SQL logging in console
Is there a way to disable SQL query logging when I'm executing commands in the console? Ideally, it would be great if I can just disable it and re-enable it with a command in the console.
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Android java.lang.VerifyError?
In my Android app, I always get VerifyErrors! And I cannot figure out why. Whenever I include a external JAR, I always get VerifyErrors when I try to launch my app (except for once, when I included Apache Log4j.)
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How to change the remote a branch is tracking?
... to be set up on a new server, so I created a new remote on my local repo, and pushed to that.
13 Answers
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How do you set the Content-Type header for an HttpClient request?
...(note that the code snippet adds application/json in two places-for Accept and Content-Type headers):
HttpClient client = new HttpClient();
client.BaseAddress = new Uri("http://example.com/");
client.DefaultRequestHeaders
.Accept
.Add(new MediaTypeWithQualityHeaderValue("application/json...
'is' versus try cast with null check
...// only one cast
if (myObjRef != null)
{
// myObjRef is already MyType and doesn't need to be cast again
...
}
C# 7.0 supports a more compact syntax using pattern matching:
if (myObj.myProp is MyType myObjRef)
{
...
}
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How to show “Done” button on iPhone number pad
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@BenPotter You would set the barTint for the bar color and tint color for the text. You could also create the UIBarButton items out side of the intializer and set the color for them explicitly there.
– ocross
May 6 '14 at 23:55
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Chrome: timeouts/interval suspended in background tabs?
...appliances not dramatically inaccurate. Now if I run the test in in Chrome and let it run in a background tab (so, switching to another tab and browse on there), returning to the test and inspecting te results (if the test finished) they are dramatically changed. It looks like the timeouts have been...
What is an MvcHtmlString and when should I use it?
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I stand corrected - actually the MvcHtmlString.Create method detects whether IHtmlString is available and dynamically creates the returned class to support it if it is: windowsitpro.com/article/net-framework/Encoding-and-Strings/...
Set active tab style with AngularJS
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One way of doing this would be by using ngClass directive and the $location service. In your template you could do:
ng-class="{active:isActive('/dashboard')}"
where isActive would be a function in a scope defined like this:
myApp.controller('MyCtrl', function($scope, $location) ...