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How to create a new database after initally installing oracle database 11g Express Edition?
...CT, RESOURCE, DBA TO myschema;
SQL> GRANT ALL PRIVILEGES TO myschema;
Now you can connect via Oracle SQL Developer and create your tables.
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Query for documents where array size is greater than 1
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There's a more efficient way to do this in MongoDB 2.2+ now that you can use numeric array indexes in query object keys.
// Find all docs that have at least two name array elements.
db.accommodations.find({'name.1': {$exists: true}})
You can support this query with an index tha...
Declaring abstract method in TypeScript
...e property is marked as protected. This was added in TypeScript 1.3 and is now firmly established.
The makeSound method is marked as abstract, as is the class. You cannot directly instantiate an Animal now, because it is abstract. This is part of TypeScript 1.6, which is now officially live.
abstr...
“Deprecation warning: moment construction falls back to js Date” when trying to convert RFC2822 date
...r date string:
moment('2014-04-23T09:54:51');
Pass in the string you have now, but tell Moment what format the string is in:
moment('Wed, 23 Apr 2014 09:54:51 +0000', 'ddd, DD MMM YYYY HH:mm:ss ZZ');
Convert your string to a JavaScript Date object and then pass that into Moment:
moment(new Date('...
Inject errors into already validated form?
...collision I'd like to send the form back with an error on it, but I won't know until I actually try to do the database insert. (In theory the validator could check the database, but that smells and is race-prone.)
– Weeble
May 19 '10 at 15:53
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What is the purpose of std::make_pair vs the constructor of std::pair?
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@Tor Yeah, I know how to use both of them, I was just curious if there was a reason for std::make_pair. Apparently it is just for convenience.
– user542687
Feb 14 '12 at 1:56
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Perform debounce in React.js
...ery debouncedMethod call, so the newly created debounce function does not know anything about former calls! You must reuse the same debounced function over time or the debouncing will not happen.
NOT a good idea:
var SearchBox = React.createClass({
debouncedMethod: debounce(function () {...},1...
Restoring Nuget References?
...uild it will fail. Sigh. However if you close the solution and re-open it, now VS checks those nice <HintPath>s again, finds that the packages are back where they belong, and all is well with the world.
Update
Is Visual Studio still not seeing that you have the package? Still showing a referen...
Data binding to SelectedItem in a WPF Treeview
...em="{Binding Path=SelectedItem, Mode=TwoWay}">
</TreeView>
Now you can bind the selected item, and also set it in your view model to change it programmatically, should that requirement ever arise. This is, of course, assuming that you implement INotifyPropertyChanged on that particul...
Alternative to itoa() for converting integer to string C++? [duplicate]
...avoid risking buffer overruns.
The safer way (i.e., the C++ way), if you know this part of the code is not critical, so better be sure this part of the code won't break at random moments because someone mistook a size or a pointer (which happens in real life, like... yesterday, on my computer, beca...