foreach

问题 I want to the the number of records in all tables that match a specific name criteria. Here is the SQL I built Declare SQLStatement VARCHAR (8000) :=''; BEGIN SELECT 'SELECT COUNT (*) FROM ' || Table_Name || ';' INTO SQLStatement FROM All_Tables WHERE 1=1 AND UPPER (Table_Name) LIKE UPPER ('MSRS%'); IF SQLStatement <> '' THEN EXECUTE IMMEDIATE SQLStatement; END IF; END; / But I get the following error: Error at line 1 ORA-01422: exact fetch returns more than requested number of rows ORA-06512

问题 I am using a forEach to loop through a nodeList. My code is as follows var array = document.querySelectorAll('items'); array.forEach(function (item) { console.log(item); }); And this code throws an error as Uncaught TypeError: array.forEach is not a function Then after reading few online blog articles i changed the code to this. [].forEach.call(array, (function (item) { console.log(item); })); Could someone please explain why it is not possible to call forEach on a nodeList and what does the

问题 I am using a forEach to loop through a nodeList. My code is as follows var array = document.querySelectorAll('items'); array.forEach(function (item) { console.log(item); }); And this code throws an error as Uncaught TypeError: array.forEach is not a function Then after reading few online blog articles i changed the code to this. [].forEach.call(array, (function (item) { console.log(item); })); Could someone please explain why it is not possible to call forEach on a nodeList and what does the

问题 I am using jack compiler in my android project. My min sdk is set to 18. I am unable to use forEach and lambda in my code. It asks me to change my min sdk to 24 or higher. I was hoping that with the integration of JACK compiler I would be able to use this forEach with lambda easily. Is there any work around for this other than bumping up the min sdk? 来源： https://stackoverflow.com/questions/42276329/unable-to-use-foreach-and-lambda-in-android-min-sdk-version-less-than-24

问题 I use mclapply for all my "embarassingly parallel" computations. I find it clean and easy to use, and when arguments mc.cores = 1 and mc.preschedule = TRUE I can insert browser() in the function inside mclapply and debug line by line just like in regular R. This is a huge help in getting code to production quicker. What does foreach offer that mclapply does not? Is there a reason I should consider writing foreach code going forward? If I understand correctly, both can use the multicore

问题 for output array Instead of using json_encode, use of what.(how is output(echo) array without use of json_encode?) i use of codeigniter. CI_Controller: function auto_complete(){ $hotel_search = $this->input->post('search_hotel'); echo json_encode($this->model_tour->auto_complete($hotel_search)); // if use of json_encode output is '[{"name":"salal"},{"name":"salaso"},{"name":"salasi"},{"name":"salsh"}]' if don want use of json_encode output is "Array" } CI_model: function auto_complete($hotel

问题 I've got a std::list in C++ and I'm trying to use a for(Type t : list) operation to update the value of each object. So I have a list called balls and each ball has a position. My code to for the loop is: for(OpenGLView::AssetInstance ball : balls) ball.position = calculateBallPosition(ball); where calculateBallPosition takes a ball and returns its new position based on time elapsed. The problem I am running into is that the value of the elements in the list don't seem to be updating. When I

问题 I am trying to remove specific elements from an array based on data I'm getting from an API. The API returns an array of objects like this {"videoDate":"07/31/2020","videoTime":"1:00 AM"}. I have an existing array with items that look like this "07/31/2020 1:00 AM". My intention is to check if the existing array contains an item with a string matching both the videoDate and videoTime strings from the object and remove them. let responseArray = JSON.parse(response); dayArray.forEach((day) => {

问题 I know how to combine two arrays in foreach loop using array_combine() function of PHP But I have three arrays and I want to loop through all of three arrays at a time. $get_id=$data->get_id; $get_product=$data->get_product; $get_comment=$data->get_comment; foreach (array_combine($get_id, $get_product) as $id => $product) { echo "$id - $product<br/>"; } I want to iterate $get_comment array too in this loop. Thanks 回答1: I think this might be what you are looking for: $get_id=$data->get_id;

问题 I am trying to remove specific elements from an array based on data I'm getting from an API. The API returns an array of objects like this {"videoDate":"07/31/2020","videoTime":"1:00 AM"}. I have an existing array with items that look like this "07/31/2020 1:00 AM". My intention is to check if the existing array contains an item with a string matching both the videoDate and videoTime strings from the object and remove them. let responseArray = JSON.parse(response); dayArray.forEach((day) => {