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What are best practices for multi-language database design? [closed]
...ase to add column for each language is simple but not dynamic, please help me to understand what is the best choose for enterprise applications
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Read an Excel file directly from a R script
...R wiki. Short answer: read.xls from the gdata package works most of the time (although you need to have Perl installed on your system -- usually already true on MacOS and Linux, but takes an extra step on Windows, i.e. see http://strawberryperl.com/). There are various caveats, and alternatives, li...
How to extract an assembly from the GAC?
... have to deal with which installs assemblies straight into the GAC (e.g. somewhere deep in %windows%/assembly).
15 Answer...
How to specify the location with wget?
... you dont have /tmp/cron_test/ on your system :P
– Sameer Alibhai
Sep 29 '13 at 14:22
49
The manu...
Node.js Mongoose.js string to ObjectId function
...tring into an objectId in node using mongoose? The schema specifies that something is an ObjectId, but when it is saved from a string, mongo tells me it is still just a string. The _id of the object, for instance, is displayed as objectId("blah") .
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How can I add to List
... you can't.
The wildcard declaration of List<? extends Number> foo3 means that the variable foo3 can hold any value from a family of types (rather than any value of a specific type). It means that any of these are legal assignments:
List<? extends Number> foo3 = new ArrayList<Number...
Performance of Find() vs. FirstOrDefault() [duplicate]
Got an interesting outcome searching for Diana within a large sequence of a simple reference type having a single string property.
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Another Repeated column in mapping for entity error
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The message is clear: you have a repeated column in the mapping. That means you mapped the same database column twice. And indeed, you have:
@Column(nullable=false)
private Long customerId;
and also:
@ManyToOne(optional=false...
What breaking changes are introduced in C++11?
I know that at least one of the changes in C++11 that will cause some old code to stop compiling: the introduction of explicit operator bool() in the standard library, replacing old instances of operator void*() . Granted, the code that this will break is probably code that should not have been v...
Avoid dropdown menu close on click inside
I have a Twitter Bootstrap dropdown menu. As all Twitter Bootstrap users know, the dropdown menu closes on click (even clicking inside it).
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