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How to verify Facebook access token?
...https://graph.facebook.com/me?access_token=xxxxxxxxxxxxxxxxx if you get an error, the token is invalid. If you get a JSON object with an id property then it is valid.
Unfortunately this will only tell you if your token is valid, not if it came from your app.
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Insert into … values ( SELECT … FROM … )
...t only one column is selected. In the case of multiple-column subquery, an error 'subquery must return only one column' will be raised. Adopt @travis's answer then.
– snowfox
Apr 26 '16 at 2:10
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how to get html content from a webview?
...l("http://android-in-action.com/index.php?post/" +
"Common-errors-and-bugs-and-how-to-solve-avoid-them");
}
class MyJavaScriptInterface {
private Context ctx;
MyJavaScriptInterface(Context ctx) {
this.ctx = ctx;
}
public void sh...
Does a foreign key automatically create an index?
...ver must check that there are no orphan orders; if there are, it raises an error.
To check if there are any orders, Sql Server has to search the big orders table. Now if there is an index, the search will be fast; if there is not, the search will be slow.
So in this case, the slow delete could be ...
Transpose list of lists
...oesn't seem to work for Py3. The generator is created but next() raises an error immediately: TypeError: 'NoneType' object is not callable.
– Mad Physicist
Sep 13 '16 at 15:32
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Remove secure warnings (_CRT_SECURE_NO_WARNINGS) from projects by default in Visual Studio
...a warning(disable:4996)
At the top of my file, this suppressed the C4996 error I was getting with sprintf
A bit annoying but perfect for my tiny bit of code and by far the easiest.
I read about it here: https://msdn.microsoft.com/en-us/library/2c8f766e.aspx
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How can I post an array of string to ASP.NET MVC Controller without a form?
...e: 'JSON' causes jQuery to attempt to parse the response as JSON, and will error if it is not valid JSON.
– sennett
Oct 23 '13 at 1:22
8
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How to convert object array to string array in Java
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this does not work in Android 2.3.3.. it gives me an error saying that copyof method is not defined. I imported all the right files (ctrl+shift+I).. but it still does not work.
– user590849
Oct 26 '12 at 22:31
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Is there a Python equivalent of the C# null-coalescing operator?
... use this to trigger the default value without using None specifically (an error object, for example).
In some languages this behavior is referred to as the Elvis operator.
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How do I implement an Objective-C singleton that is compatible with ARC?
...ls init when they should have called sharedInstance or similar, it's their error. Subverting the fundamentals, and basic contracts, of the language in order to stop others potentially making mistakes seems quite wrong. There's more discussion at boredzo.org/blog/archives/2009-06-17/doing-it-wrong
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