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问题 I am working on writing automation tests for a custom web application. I am running into a problem where I can't change the text of a span. I have tried using driver.execute_script but have had no luck. (It would really help if I knew javascript better) As far as I know you can't click a span and the list is populated as a list of . What is the best way to change this text? 回答1: You need to set the innerHTML using execute_script(): driver.execute_script('arguments[0].innerHTML = "New value";'

问题 I have the following code in my action: ViewBag.AccountId = new SelectList(_reference.Get("01") .AsEnumerable() .OrderBy(o => o.Order), "RowKey", "Value", "00"); and in my view: @Html.DropDownList("AccountID", null, new { id = "AccountID" }) Now I would like to create the list dynamically so in my action I would just like to hardcode a simple SelectList with the values: 00 and "" so that when I go to my view I see just a blank select box. Can someone explain how I can do this in C#. 回答1: In

问题 I have a problem that I can't seem to solve by myself. I'm writing a small python script and I would like to know why my signal.alarm still works after the function it's located in returned. Here is the code: class AlarmException(Exception): pass def alarmHandler(signum, frame): raise AlarmException def startGame(): import signal signal.signal(signal.SIGALRM, alarmHandler) signal.alarm(5) try: # some code... return 1 except AlarmException: # some code... return -1 def main(): printHeader()

问题 I've created a Sankey diagram in R, using the networkD3 package, that I'd like to save as a static image, using code instead of clicking on 'Export' --> 'Save as Image...'. The current code I've tried (using this Sankey diagram as an example) is: library(networkD3) URL <- paste0( "https://cdn.rawgit.com/christophergandrud/networkD3/", "master/JSONdata/energy.json") Energy <- jsonlite::fromJSON(URL) # Plot jpeg( filename = "Sankey.jpg", width = 4000, height = 4000) sankeyNetwork(Links = Energy

问题 In programming language what is the difference between Inferred Type and Dynamic typing? I know about Dynamic typing but don't get how dynamic typing is differ from Inferred Type and how? Could someone please provide explanation with some example? 回答1: Inferred type = set ONCE and at compile time. Actually the inferred part is only a time saver in that you don't have to type the Typename IF the compiler can figure it out. Type Inference is often used in conjunction static typing (as is the

问题 I've created a Sankey diagram in R, using the networkD3 package, that I'd like to save as a static image, using code instead of clicking on 'Export' --> 'Save as Image...'. The current code I've tried (using this Sankey diagram as an example) is: library(networkD3) URL <- paste0( "https://cdn.rawgit.com/christophergandrud/networkD3/", "master/JSONdata/energy.json") Energy <- jsonlite::fromJSON(URL) # Plot jpeg( filename = "Sankey.jpg", width = 4000, height = 4000) sankeyNetwork(Links = Energy

问题 Is it possible to add a tool bar inside QWidget that is placed inside a tab (in QTabWidget ) ? The idea is to put a separate tool bar for each tab. It seems that tool bars can only be placed inside QMainWindow . 回答1: QToolBar is an ordinary QWidget , you can add it to a layout. 来源： https://stackoverflow.com/questions/5227889/toolbars-inside-tabs

问题 This question already has answers here : Static field initialization order (C#) - can someone explain this snippet? (6 answers) Closed 7 years ago . I have aproblem with the order of static variable declaration in C# When i run this code: static class Program { private static int v1 = 15; private static int v2 = v1; static void Main(string[] args) { Console.WriteLine("v2 = "+v2); } } The output is: v2=15 But when i change the static variable declaration order like this: static class Program {

问题 TL;DR; Is it possible to listen on changes through spring-webflux & spring reactive data ? End of TL;DR; Hi, I did few tutorials regarding new spring webflux module and spring mongo reactive. (correct me If I'm wrong) There are two basic types in reactive spring, Mono (for 0 or single object) and Flux (0 - n) objects. If I return a Flux json object ( a list of all comments) then my client is going to receive them in one response (not in chunks or something). I did it here, I also can change

问题 I create a service with methods that run some queries, i want to use doctrine Native SQL but no matter which query i made it always return an empty array. There is something that i'm missing? Method from service MonthVacancySchedule: public function getTotalVacanciesByUnits() { $rsm = new ResultSetMapping(); $sql = 'SELECT nome_procedimento FROM programacao'; $query = $this->emi->createNativeQuery($sql, $rsm); $units = $query->getResult(); return $units; } The controller which i use the