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Use of def, val, and var in scala
...abels from def and val cannot be reassigned, and in case of any attempt an error like the below one will be raised:
scala> something = 5 * 6
<console>:8: error: value something_= is not a member of object $iw
something = 5 * 6
^
When the class is defined like:
scala> cl...
How to debug apk signed for release?
...le keyword in build.gradle and want to publish in play store it shows this error You uploaded a debuggable APK. For security reasons you need to disable debugging before it can be published in Google Play.
– hasnain_ahmad
Apr 23 '18 at 11:46
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How to update Ruby to 1.9.x on Mac?
...C package from: https://github.com/kennethreitz/osx-gcc-installer to avoid errors running "make".
Edit: As of Mavericks you can choose to install only the Xcode command line tools instead of the whole Xcode package, which comes with gcc and lots of other things you might need for building packages....
How to handle configuration in Go [closed]
...}
err := decoder.Decode(&configuration)
if err != nil {
fmt.Println("error:", err)
}
fmt.Println(configuration.Users) // output: [UserA, UserB]
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Are there strongly-typed collections in Objective-C?
...ion of type 'NSString *'
And in Swift code, they will produce a compiler error:
var str: String = arr[0]
var num: Int = arr[0] //Error 'String' is not convertible to 'Int'
Lightweight Generics are intended to be used with NSArray, NSDictionary and NSSet, but you can also add them to your own cl...
Azure table storage returns 400 Bad Request
...
400 Error means there's something wrong with the value of one of your properties. One way to find out is to trace the request/response through Fiddler and see the actual data being sent to Windows Azure Storage.
Taking a wild g...
WPF global exception handler [duplicate]
...em.Windows.Threading.DispatcherUnhandledExceptionEventArgs e) {
string errorMessage = string.Format("An unhandled exception occurred: {0}", e.Exception.Message);
MessageBox.Show(errorMessage, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
// OR whatever you want like logging etc. ...
Bootstrap throws Uncaught Error: Bootstrap's JavaScript requires jQuery [closed]
...at was that, but when I launch the web page in a browser jQuery reports an error:
14 Answers
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Using reCAPTCHA on localhost
... the allowed domains for the reCAPTCHA account in question to resolve the "ERROR: Invalid domain for site key" error.
– Ben Johnson
Jul 8 '15 at 0:29
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Mysql ibdata 丢失或损坏如何通过frm&ibd 恢复数据 - 爬虫/数据库 - 清...
...ibd记录的点在什么位置。开始执行 import tablespace，报错 ERROR 1030 (HY000): Got error -1 from storage engine。找到mysql的错误日志，InnoDB: Error: tablespace id in file ‘.\test\weibo_qq0.ibd’ is 112, but in the InnoDB InnoDB: data dictionary it is 1. 因为 weibo_qq0 之...