arrays

[Solved] All NSUserDefaults, all in tableview

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You can set an array to userDefaults, the implementation is very simple. – (void)viewDidLoad { [super viewDidLoad]; [self addTextToUserDefaults:@”hello”]; [self addTextToUserDefaults:@”how are you?”]; [self addTextToUserDefaults:@”hi”]; for (NSString *text in [self textsInUserDefaults]) { NSLog(@”%@”, text); } } – (void)addTextToUserDefaults:(NSString *)aText { NSMutableArray *texts = [[[NSUserDefaults standardUserDefaults] objectForKey:@”textArray”] mutableCopy]; if (!texts) { texts = [NSMutableArray new]; } … Read more

[Solved] What does a[a[]] do in C?

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Translate to: for (int i = 0; i< n; i++) { int temp1 = arr[i]; int temp2 = temp1%k; int temp3 = arr[temp2]; arr[temp2] = temp3+k; } Edit: thanks for the correction @R Sahu 1 solved What does a[a[]] do in C?

[Solved] How to convert a String to a float array?

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First you split the string into an array: String str = “1.2, 3.1, 5.3, 4.5”; String[] arrOfStr = str.split(“,”); Then you loop through the array and convert to floats: import java.util.ArrayList; ArrayList <Double> volts = new ArrayList<Double>(); for (int i = 0; i < arrOfStr.length; i++) { volts.add(Double.parseDouble(arrOfStr[i])); } System.out.println(volts); 4 solved How to convert … Read more

[Solved] PHP – how many times [duplicate]

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Wouldn’t it be great if there were a function like array_count_values? </sarcasm> Some example code of usage: $arr = array(…); $valCounts = array_count_values( $arr ); echo $valCounts[‘hey’]; I highly recommend browsing php.net and, in-particular, learning the array functions. 0 solved PHP – how many times [duplicate]

[Solved] Error: System.IndexOutOfRangeException: Index was outside the bounds of the array [duplicate]

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Your stringArray contains less than two elements.That is your problem, you need to make sure it contains at least two elements before switch statement.BTW, if you just want to append a dot to the end, you don’t need String.Split, just use Insert method: string str = row[“Version”].ToString(); str = str.Insert(str.Length, “.”); switch(str) { … } … Read more

[Solved] Calculate the mode of the numbers in java

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Under the assumption the highest number in the input data is some reasonable number, this code will find the modes. I’m sure there is a way to make it all Java 8 streams, but I’m still working to master them. public static void main(String[] args) { final int data[] = new int[] {24, 26, 28, … Read more

[Solved] objective-c index in an Array [closed]

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Remove these lines: [acat addObject:@”cat1″]; [acat addObject:@”cat2″]; [acat addObject:@”cat3″]; [acat addObject:@”cat4″]; Declare your array and NSURL not in viewDidLoad, Do this instead in your .h: @interface AZViewController : UIViewController { NSInteger _acatindex; NSMutableArray *acat; NSURL *url; } @property (weak, nonatomic) NSMutableArray *acat; – (IBAction)catbutt:(id)sender; Now cut the following code from viewDidLoad(): url = [[NSBundle mainBundle] … Read more

[Solved] Split PHP Variable in to array?

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A regex solution: <?php $str = “ckb=199&ckb=232&ckb=200&ckb=233&ckb=201&ckb=234”; preg_match_all(“/=([^&]+|.*$)/”, $str, $matches); print_r($matches[1]); ?> Output: Array ( [0] => 199 [1] => 232 [2] => 200 [3] => 233 [4] => 201 [5] => 234 ) solved Split PHP Variable in to array?

[Solved] convert the string to an array

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Here is one way of doing it $str=”2,100|7,104|15,1110″; $arr1 = explode(“|”,$str); if(sizeof($arr1) > 0 ){ $final_array = array() ; foreach($arr1 as $data){ $arr2 = explode(“,”,$data); $final_array[$arr2[0]] = $arr2[1]; } } print_r($final_array); solved convert the string to an array

[Solved] Does ccall really convert arguments passed by pointer?

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This turned out to be either a bug in the core library or a very misguided documentation, depending on the perspective (issue #29850). The behavior of the function unsafe_convert changed from version 0.4 to 0.5, in a way that makes it more flexible than what is currently suggested. According to this commit, unsafe_convert changed from … Read more

[Solved] Sorting array of object based on range of Numbers of String [closed]

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You can use first character to sort and consider if first character is number it is small, let myObj = [{ “60+”: 0.1413972485314015, “18-29”: 0.0832178903621611, “40-49”: 0.1033361204013377, “30-39”: 0.0835906328864075, “Under 18”: 0.1326368677036551, “50-59”: 0.1224973366151133 }]; const ordered = {}; Object.keys(myObj[0]).sort( function(a, b) { if (isNaN(Number(a.charAt(0)))) return -1; if (isNaN(Number(b.charAt(0)))) return 1; return a.charAt(0) – b.charAt(0); … Read more