call

问题 Im at my wits end here. I have a Class which Implements the OnClickListener cous i need the same action on Buttons accros my Application. This used to work just fine. But since I added some functionality by getting some needed data from the app preferences. startActivity throws a null pointer exception. Here is the class: //Imports public class CallClickListener extends Activity implements View.OnClickListener { protected AppPreferences appPrefs; String contactPersonName; String

问题 Say I have a lua file: --functions.lua function testadd(a, b) return a+b end How would I use luabind to load that file, and call that function- something like: //test.cpp extern "C" { #include "lua.h" #include "lualib.h" #include "lauxlib.h" } #include <luabind/luabind.hpp> #include <luabind/function.hpp> int main() { lua_State *myLuaState = lua_open(); luaL_openlibs(myLuaState); luaL_loadfile(myLuaState, "functions.lua"); luabind::open(myLuaState); int value = luabind::call_function<int>

问题 I have this query select * from alldistros t1 LEFT join origin t2 on t1.name=t2.name LEFT join desktop t3 on t2.name=t3.name LEFT join beginnerdistributions t4 on t3.name=t4.name it add on all my tables. But now when I want to select the name field (which is in all of them) I can't show it. It's just blank when I call it. And I would think so since there's more than 1 columns of the same name. What can I do to fix this? Just a plain join won't work, since it removes some of the fields that

问题 Say i have two methods first_method and second_method as follows. def first_method(some_arg): """ This is the method that calls the second_method """ return second_method(some_arg[1], some_arg[2]) def second_method(arg1, arg2): """ This method can only be called from the first_method or it will raise an error. """ if (some condition): #Execute the second_method else: raise SomeError("You are not authorized to call me!") How can i check (what condition(s)) that second method is being called by

问题 I have a gui application I put text into text box1, text box2,and then click on the pushButton , The function return_text_username () in the moduel_b.py be called. Now I can call one instance by lambda1 function and use it in class_b , but I can not call two instants when I click on the pushbutton . **A- I want add lineEdit_2 into lambda method in main.py or add instance_lambda2_password into connect method. **B- I want to edit return_printtext_password (self, txt) in the moduel_b.py to print

问题 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 7 years ago . From what I have figured out so far, it is not possible to mess with the audio streams outgoing and ingoing from the phone during a phone call using the API's. Would it be possible to do if one manipulated the

问题 please help with Retrofit2. I'm very new in Retrofit. I create simple server application. The application manage list of Journals: add Journal in the in-memory list and return Journal by id. There is an Journal.java: public class Journal { private AtomicInteger getNewId = new AtomicInteger(0); @SerializedName("id") @Expose private Integer id; @SerializedName("name") @Expose private String name; public Journal(String name) { this.id = getNewId.incrementAndGet(); this.name = name;} public

问题 Edit: this question was asked due to my misunderstanding. Proceed with caution, as reading it might waste your time. I thought call and apply would execute a function given a set of arguments, but I'm getting confusing test results. See my test code: window.z = 0; (function(){++(window.z)}).call(this, 1, 2, 3) I would expect z to be 3 after execution. However, z is 1. (function(){++(window.z)}).apply(this, [1, 2, 3]) Same here. z == 1; I tried simply logging the input argument as well: var x

问题 I am having the following (pretty simple) problem. I would like to write an (Oracle) SQL query, roughly like the following: SELECT count(*), MyFunc(MyTable.*) FROM MyTable GROUP BY MyFunc(MyTable.*) Within PL/SQL, one can use a RECORD type (and/or %ROWTYPE), but to my knowledge, these tools are not available within SQL. The function expects the complete row, however. What can I do to pass the entire row to the stored function? Thanks! 回答1: Don't think you can. Either create the function with

问题 I came across a strange phenomena upon running the following code: #include <iostream> class Piece { public: class Queen; class Knight; union Any; virtual const char* name() const = 0; }; class Piece::Queen : public Piece { public: virtual const char* name() const { return "Queen"; } }; class Piece::Knight : public Piece { public: virtual const char* name() const { return "Knight"; } }; union Piece::Any { public: Any() {} Piece::Queen queen; Piece::Knight knight; }; using namespace std; int