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in a “using” block is a SqlConnection closed on return or exception?
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Did you know you can stack using statements without additional braces? Delete the last brace, then place the using statements next to each other :)
– NickG
Aug 28 '14 at 14:42
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How does a ArrayList's contains() method evaluate objects?
... if (x.value == value) return true;
return false;
}
}
Now it works ;)
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How do I save a String to a text file using Java?
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The function is now deprecated, you should add the default charset --> FileUtils.writeStringToFile(new File("test.txt"), "Hello File", forName("UTF-8"));
– Paul Fournel
Nov 9 '17 at 8:10
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CORS: Cannot use wildcard in Access-Control-Allow-Origin when credentials flag is true
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Ah, now that's more convenient, however, the result's the same :( BTW, I'm using app.use(cors({credentials: true}));
– ixaxaar
Nov 2 '13 at 15:34
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Python csv string to array
Anyone know of a simple library or function to parse a csv encoded string and turn it into an array or dictionary?
10 Answe...
SQL-Server: Error - Exclusive access could not be obtained because the database is in use
...ROLLBACK IMMEDIATE
GO
RESTORE DATABASE AdventureWorksDW
FROM ...
...
GO
Now, one additional item to be aware. After you set the db into single user mode, someone else may attempt to connect to the db. If they succeed, you won't be able to proceed with your restore. It's a race! My suggestion ...
Close virtual keyboard on button press
...ou should also fire keyboard hiding in your button using onClickListener
Now clicking 'Done' on virtual keyboard and button will do the same - hide keyboard and perform click action.
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Laravel Check If Related Model Exists
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A Relation object passes unknown method calls through to an Eloquent query Builder, which is set up to only select the related objects. That Builder in turn passes unknown method calls through to its underlying query Builder.
This means you can use the...
Counting the occurrences / frequency of array elements
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}
console.log(counts[5], counts[2], counts[9], counts[4]);
So, now your counts object can tell you what the count is for a particular number:
console.log(counts[5]); // logs '3'
If you want to get an array of members, just use the keys() functions
keys(counts); // returns ["5", "2", ...
Loop through an array in JavaScript
...e this:
var x = [1,2,3,4].map( function(item) {return item * 10;});
And now x is [10,20,30,40].
You don't have to write the function inline. It could be a separate function.
var item_processor = function(item) {
// Do something complicated to an item
}
new_list = my_list.map(item_process...