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How to determine if object is in array [duplicate]
... }
}
return false;
}
In this case, containsObject(car4, carBrands) is true. Remove the carBrands.push(car4); call and it will return false instead. If you later expand to using objects to store these other car objects instead of using arrays, you could use something like this instead...
MySQL - force not to use cache for testing speed of query
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This will stop MySQL caching the results, however be aware that other OS and disk caches may also impact performance. These are harder to get around.
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How to set tbody height with overflow scroll
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WARNING: this solution disconnects the thead and tbody cell grids; which means that in most practical cases, you will not have the cell alignment you expect from tables. Notice this solution uses a hack to keep them sort-of aligned: thead { width: calc( 100% - 1em ) }
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How to clear gradle cache?
I'm trying to use Android Studio, and the first time I boot it up, it takes like 45 MINUTES to compile... If I don't quit the application, it is okay - each subsequent compilation/running the app will take around 45 seconds.
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C# DateTime.Now precision
...y would DateTime.Now be made less precise than what most CPU clocks could handle?
A good clock should be both precise and accurate; those are different. As the old joke goes, a stopped clock is exactly accurate twice a day, a clock a minute slow is never accurate at any time. But the clock a minu...
PowerShell: Setting an environment variable for a single command only
... Just a thought: Couldn't you just spawn a new PowerShell process, handing the scriptblock into it via the -Command parameter? That way you don't have to clean up the environment afterwards, since that will be contained in the child process. Although I am talking to a PowerShell MVP so this p...
Swift 编程语言入门教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...tive-C的命名参数和动态对象模型。提供了对Cocoa框架和mix-and-match的互操作性。基于这些基础，Swift引入了很多新功能和结合面向过程和面向对象的功能。
Swift对新的程序员也是友好的。他是工业级品质的系统编程语言，却又像脚...
How to resolve the C:\fakepath?
...fp You can only upload with a post so you need to put the upload in a form and submit it. That will still use a standard file upload control to choose the file and you still won't need the full client filename.
– Rup
Dec 26 '11 at 1:08
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Save bitmap to location
...function to download an image from a web server, display it on the screen, and if the user wishes to keep the image, save it on the SD card in a certain folder. Is there an easy way to take a bitmap and just save it to the SD card in a folder of my choice?
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mysql: see all open connections to a given database?
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The command is
SHOW PROCESSLIST
Unfortunately, it has no narrowing parameters. If you need them you can do it from the command line:
mysqladmin processlist | grep database-name
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