原因是将不是数组的元素添加到数组里面, [self.selectArr addObjectsFromArray:self.dataArr[indexPath.row]]; 解决方案: 只需要将添加的时候调用: addObject:方法即可 [self.selectArr addObject:self.dataArr[indexPath.row]];
NSArray+Dejal: 30+ methods extendingNSArrayandNSMutableArray, including object matching, reversal, sorting, deep copying, adding and removing. NSAttributedString+Dejal: 10+ methods extendingNSAttributedStringandNSMutableAttributedString, including convenience initializers, RTF and font methods. ...
: [NSNull null]) forKey:row.tag]; } } } else{ NSMutableArray * multiValuedValuesArray = [NSMutableArray new]; for (XLFormRowDescriptor * row in section.formRows) { if (row.value){ [multiValuedValuesArray addObject:row.value]; } } [result setObject:multiValuedValuesArray forKey:...
Many company leaders would like to land upon it and stick with it forever. But flexible work is by nature mutable, and companies need to accept that change will be continuous. Flexible work is by nature mutable, and companies need to accept that change will be continuous. Th...
JavaScript, similar to Python, provides a more streamlined way to iterate through objects like arrays and array-like objects. With methods like forEach, it allows direct interaction with each element, enhancing readability and ease of use.
Returns a string built from the strings in a given array by concatenating them with a path separator between each pair. var pathComponents: [String] The file-system path components of the receiver. func completePath(into: AutoreleasingUnsafeMutablePointer<NSString?>?, caseSensitive: Bool, matches...
// DO NOT DO THIS!if([myArray isKindOfClass:[NSMutableArrayclass]]){// Modify the object} If you use such constructs in your code, you might think it is alright to modify an object that in reality should not be modified. Doing so might then create problems for other code that expected...
at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59) at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:48) at org.apache.spark.scheduler.DAGScheduler.abortStage(DAGScheduler.scala:1876) at org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetF...
By contrast, almost all ALMs survived in animals either carrying an extrachromosomal array with the P mec-7 vector (Table 4, P mec-7 A and B) or homozygous for an integrated P mec-7 lacZ fusion construct (Shaham and Horvitz 1996a). The egl-1–induced killing of the ALMs was dependent...
2.Mutable enum field a.Enum field is public and mutable A mutable public field is defined inside a public enum, thus can be changed by malicious code or by accident from another package. Though mutable enum fields may be used for lazy initialization, it's a bad practice to expose them to...