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问题 Alright so i found a code and it seems to be working but I need to add something to that code to prevent it from firing if I hover over its child menu/sub-menu element but still needs to fire when i hover over other items or other items childern menu's this is the current script $(document).ready(function() { $("#navbar li:hover, #navbar li:sfhover").hover(function(){ $('#navbar .current-menu-parent, #navbar li.current-menu-item').addClass("non-ahover"); }, function(){ $('#navbar li.current

问题 i've been searching about how to link visual basic with python file i've tried so hard through using shell in Visual Basic but nothing happend i have python file called Go.py and i want to link Visual Basic button with it and get the return into variable any idea ? 回答1: First, you can use Shell , although it's unfortunately probably more complicated than you imagined. Your current problem is a simple one - Shell can't run a python file directly, so you need to have Shell call cmd /c python

问题 I would like to be able to place a call using a WhatsApp number from my iOS app. How can I do that? 回答1: You should ask WhatsApp how to do so. The solution lies in URL Schema: https://www.whatsapp.com/faq/de/iphone/23559013 Here the code copied from their site, in Objective-C. I'll keep it as an exercise to do so in Swift: NSURL *whatsappURL = [NSURL URLWithString:@"whatsapp://send?text=Hello%2C%20World!"]; if ([[UIApplication sharedApplication] canOpenURL: whatsappURL]) { [[UIApplication

问题 I got a very special problem. For a VM I need to copy code from the instruction functions to a ubyte array and then execute this array (the technic is similiar to the inline macro vm in gcc), basically it works like this: __gshared void * sp = null, sb = null; //stack pointer and stack base __gshared void add() //the function is just there to access the instruction code { asm{db "INSTRUCTIONCODESTART";} //this is a key to know where the instruction code starts //instruction code here (sample

问题 I have split the code into multiple files. I have imported all the functions from all other files into admin.py. Lets say I want to call a function XYZ. If I give path to function as admin/XYZ it gives me error as invalid function and for this I have to give the path as file_with_XYZ_function/XYZ . Is there a way to overcome this problem and simple call all the imported functions from one single file 回答1: NOTE: This might not be answering your question as I'm not sure I understand your

问题 Is it possible to make a call from application with out quitting application in iOS 4? 回答1: You will have to have your application remember its state . That way it can be resumed when launched again. Even with the new multitasking your suspended apps may be forcibly quit if the device needs more memory. Apple has a guide named "Supporting Multitasking In Your Applications" which you should be able to locate. Related SO: Does iOS 4 make “Real Multitasking” available to 3rd party developers?

问题 I have a model generated from a random forest. Inside it, there is a attribute called call, that will give me the what was actually the randomForest called function. I want to get this parameter, remove one column from the model and run it again. ex: library(randomForest) data(iris) iris.rf <- randomForest(Species~.-Sepal.Length, data=iris, prox=TRUE) iris.rf$call # want to remove the field Sepal.length as well # the call should be then # randomForest(Species~.-Sepal.Length-Sepal.Width, data

问题 Cannot reproduce MDN's example («Using an object in an array-like fashion»). let obj = { length: 0, addEl: function (element) { [].push.call(this, element); }; }; // Node REPL still expect me to do something, so there's an error. Why? Could you, guys, explain what's wrong here? Also it seems that I don't get the point with the mechanics here: // from the example: obj.addElem({}); obj.addElem({}); console.log(obj.length); // → 2 What if we call the function with some different agrument, not {}

问题 Presume that there are methodA() , methodB() and methodC(). And methodC() is called at the run-time. Is is possible to know methodC() is called from what method? I was thinking if CallStack can be read at the run-time for some checks? If yes, I think it should not be a big deal. Any ideas? Thanks! 回答1: Use the StackTrace and StackFrame classes. For example: StackTrace stackTrace = new StackTrace(); StackFrame[] stackFrames = stackTrace.GetFrames(); foreach (StackFrame stackFrame in

问题 For example: q=["hi", "sky"] p=["here","sky","sky","sky","sky"] What would the function be defined to get: count_words(["hi", "sky"], ["here","sky","sky","sky","sky"]) [0, 4] # answer where hi appears 0 times and sky appears 4 times I started the code off like this: def count_words(q, p): count = 0 for word in q: if q==p: (q.count("hi")) (q.count("sky")) return count I keep getting one value of 0, which accounts for q , but I can't get a value for p . 回答1: Here is a simpler answer (by simpler