大约有 19,606 项符合查询结果(耗时:0.0305秒) [XML]
Backbone View: Inherit and extend events from parent
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Wouldn't it be easier to create specialized base constructor from Backbone.View that handles the inheritance of events up the hierarchy.
BaseView = Backbone.View.extend {
# your prototype defaults
},
{
# redefine the 'extend' function as decorated function of ...
Mac OS X Terminal: Map option+delete to “backward delete word”
...apping ⌥⌫ to what esc⌫ is doing and you keep having ^W to erase word based on space delimiter.
I would love to be able to post an image on how do this but as a newbies I can't.
refer to bouke comment to see how to modify terminal profile.
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Extract a dplyr tbl column as a vector
...inct way to get one column of a dplyr tbl as a vector, from a tbl with database back-end (i.e. the data frame/table can't be subset directly)?
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How can I use Timer (formerly NSTimer) in Swift?
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As of iOS 10 there is also a new block based Timer factory method which is cleaner than using the selector:
_ = Timer.scheduledTimer(withTimeInterval: 5, repeats: false) { timer in
label.isHidden = true
}
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How to loop over directories in Linux?
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That's nice too and eliminates the need for basename. I would prefer this over my answer.
– Boldewyn
Jan 21 '10 at 9:18
add a comment
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Downloading images with node.js [closed]
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You can use Axios (a promise-based HTTP client for Node.js) to download images in the order of your choosing in an asynchronous environment:
npm i axios
Then, you can use the following basic example to begin downloading images:
const fs = require('fs...
What are the best Haskell libraries to operationalize a program? [closed]
... tools and libraries you might want to consider:
QuickCheck for property based testing
hlint as an extended version of -Wall
Those are both targeted at code quality.
As a coding practice, avoid Lazy IO. If you need streaming IO, then go with one of the iteratee libraries such as enumerator. I...
Cannot install node modules that require compilation on Windows 7 x64/VS2012
... This walkthrough is the best up til now. Nontheless, all this base64 problem is totally unnecessary and annoying!
– Benedikt
Jul 22 '14 at 10:19
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Unable to cast object of type 'System.DBNull' to type 'System.String`
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That won't work - the "accountNumber" is not a database value but a regular old Plain Old .NET "object" instance - you need to check against normal "null" value. The DBNull.Value would work for a SqlDataReader or a SqlParameter - but not for this object here.
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How do I add indices to MySQL tables?
... an ANALYZE TABLE helps.
In more complex queries, it decides not to use it based on extremely intelligent thought-out voodoo in the query-plan that for some reason just not fits your current requirements.
In the case of (2) or (3), you could coax MySQL into using the index by index hint sytax, but...
