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What scalability problems have you encountered using a NoSQL data store? [closed]
...ent CACM paper contrasting Vertica with map-reduce.
Update: And Twitter's selected Cassandra over several others, including HBase, Voldemort, MongoDB, MemcacheDB, Redis, and HyperTable.
Update 2: Rick Cattell has just published a comparison of several NoSQL systems in High Performance Data Stores....
How to get the title of HTML page with JavaScript?
...URL bar and then click enter:
javascript:alert(document.title);
You can select and copy the text from the alert depending on the website and the web browser you are using.
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In .NET, which loop runs faster, 'for' or 'foreach'?
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Enumerable.Select has an overload that lets you obtain the index of the item, so even the need for an index does not mandate using for. See msdn.microsoft.com/en-us/library/bb534869.aspx
– TrueWill
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Entity Framework 4 vs NHibernate [closed]
...query, it can only load data from one table (So if you have Order.Product, SELECT * FROM order LEFT JOIN Product will initialize only Order object, Product will remain null, thought all necessary data is fetched in query to init it ). This can be overcome by using EFExtensions community add-on, but...
What are Aggregates and PODs and how/why are they special?
...ns (10.3) and no virtual base classes (10.1), and
— the constructor selected to copy/move each direct base class subobject is trivial, and
— for each non-static data member of X that is of class type (or array thereof), the constructor
selected to copy/move that member is trivial;
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How to get the containing form of an input?
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It seems to work also with other input types like select. Good to know.
– Falk
Jun 8 '16 at 16:43
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Stacked Tabs in Bootstrap 3
...but it doesn't look like a tab (appropriate left, right borders) when it's selected/active. That's the purpose of tabs.
– Zim
Mar 1 '14 at 11:42
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Formatting text in a TextBlock
... <LineBreak></LineBreak>
<Run Text="To Begin, select" FontStyle="Italic"></Run>
<Run x:Name="InstructionSection" Text="'REPLACED AT RUNTIME'" FontWeight="Bold"></Run>
<Run Text="from the menu." FontStyle="Italic"></Run>
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Entity Framework Join 3 Tables
...equals t.TID
where e.OwnerID == user.UID
select new {
UID = e.OwnerID,
TID = e.TID,
Title = t.Title,
EID = e.EID
}).Take(10);
And you should probably add orderby c...
R data formats: RData, Rda, Rds etc
... name, for instance.
You may readRDS() and save(), or load() and saveRDS() selectively.
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