is-empty

问题 I have an object and within it I wanna check if some properties is set to false, like: If (not objresult.EOF) Then 'Some code End if But somehow, sometimes objresult.EOF is Empty , and how can I check it? IsEmpty function is for excel cells only objresult.EOF Is Nothing - return Empty objresult.EOF <> null - return Empty as well! 回答1: How you test depends on the Property's DataType: | Type | Test | Test2 | Numeric (Long, Integer, Double etc.) | If obj.Property = 0 Then | | Boolen (True/False)

问题 I read that using seq_along() allows to handle the empty case much better, but this concept is not so clear in my mind. For example, I have this data frame: df a b c d 1 1.2767671 0.133558438 1.5582137 0.6049921 2 -1.2133819 -0.595845408 -0.9492494 -0.9633872 3 0.4512179 0.425949910 0.1529301 -0.3012190 4 1.4945791 0.211932487 -1.2051334 0.1218442 5 2.0102918 0.135363711 0.2808456 1.1293810 6 1.0827021 0.290615747 2.5339719 -0.3265962 7 -0.1107592 -2.762735937 -0.2428827 -0.3340126 8 0

问题 I have a sheet (Sheet3) within a workbook that I would like to write VBA to hide multiple rows based on cell value in multiple ranges. The VBA would have to run through two different steps; the first would be if the first cell within the specified range is blank then hide the entire range (except range 1 since the first cell would never be blank). The second step would be if the first cell in range is not blank, then hide rows in that range that are blank. Here are the specifics: Range 1 A11

问题 Hi I have a simple temperature converter application where the application crashes whenever the field is empty. I tried some validation I found on S.O but it keeps crashing, so can anyone help me to validate and empty field where it would give a dialogue like a Toast saying "Field cannot be empty". Thank you. public class MainActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main);

问题 i have VBA code that compare dates of the user input with the current dates and fill the background by the appropriate color. all it works fine. now i need to make the system to check if the cell in column F of the selected row is not empty i need to colored the column D,E,F in gray color. code: Private Sub CommandButton1_Click() Dim i As Integer For i = Range("C5000").End(xlUp).Row To 2 Step -1 'Range upto 5000, chnge this as per your requirment' If IsEmpty(Cells(i, 3)) Then Cells(i, 3)

问题 I have an angularjs sample here where I used ng-repeat as <div ng-app="Test"> <div ng-controller="TestController"> <div ng-repeat="str in myData">{{str.id}}. {{str.string}}</div> <br/> <span ng-if="myData.length > 1" style="color:red;">One or more string is empty</span> </div> </div> to draw the list from an array. I want to show an validation if there are one or more value pf string in the array is empty. How can I achieve it? 回答1: You can iterate the array in your controller and increment a

问题 this codes checks column G and if the value of it is "Test" gets the corresponding value at column E and pastes it to the next row. Sub FindOpcode_Placepart() Dim sourceCol As Integer, rowCount As Integer, currentRow As Integer Dim destCol_part As Integer, destRow As Integer Dim currentRowValue As String Dim destRowValue As String sourceCol_opcde = 7 ' find last row in column E rowCount = Cells(Rows.Count, sourceCol_opcde).End(xlUp).Row destCol_part = 5 destRow = Cells(Rows.Count, sourceCol

问题 I am using iframe in which I am displaying some content from external url. I want to hide the iframe if there is no content to display (i.e empty). please let me know how to do this. 回答1: If you want to check content from external url inside iframe is empty, and the iframe is not cross-domain you could check for the existence of the body tag inside of the iframe. If it exists, then something loaded. Well if you can use jQuery, check it's length property. This is cross-browser compatible. If

问题 This question already has answers here : Escape field name in jq that contains '@' and '-'? [duplicate] (2 answers) Closed last month . I have a large dump of data in a file.json that looks like: [{ "recordList" : { "record" : [{ "Production" : { "creator.role" : { "term" : "A" } } }, { "Production" : {} }, { "Production" : { "creator.role" : { "term" : "" } } }, { "Production" : [ { "creator.role" : {"term" : "B"} }, { "creator.role" : {"term" : ""} } ] }] } }] I need to check if there is at

问题 I'm running into a problem with JQuery Mobile (new to me) and the AJAX-call. I'm using the following code: $.ajax({ type: "POST", url: "http://**correct url**/post/todoitem", beforeSend: addHeaders, dataType: "json", contentType: "application/json", data: { "todoitem":"test" }, // this is just as a test success: function(result) { alert("Success: " + JSON.stringify(result)); }, error: function() { alert("Error: " + JSON.stringify(arguments)); } }); While executing this, it calls a PHP script