大约有 19,602 项符合查询结果(耗时:0.0322秒) [XML]

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How can I use Timer (formerly NSTimer) in Swift?

... 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?

... 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]

... 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...
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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...
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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`

... 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...
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How do I restart a WPF application? [duplicate]

...d normal installer deployments, and some parts of them behaved differently based on whether or not ApplicationDeployment.IsNetworkDeployed was true. For example, if you are ClickOnce deployed within an organization, you might then be able to infer that you should have access to organization network ...
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How to kill a process running on particular port in Linux?

... Based on this answer I created a function into ~/.bashrc: killp() { kill -9 $(lsof -t -i:"$1" -sTCP:LISTEN) } in order to be able to use it like this killp 3000. (Do not forget to add new lines for { }) –...
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Gulp command not found after install

... this, open your terminal and run: npm config get prefix Step 2: Proceed, based on the output of that command: Scenario One: npm's default directory is /usr/local For most users, your output will show that npm's default directory is /usr/local, in which case you can skip to step 4 to update the pe...