global-variables

问题 This question already has answers here : How do I use extern to share variables between source files? (17 answers) Closed 7 years ago . I'm writing little student project and stuck with the problem that I have a few global variables and need to use it in a few source files, but I get the error *undefined reference to variable_name*. Let's create three source files for example: tst1.h: extern int global_a; void Init(); tst1.cpp: #include "tst1.h" void Init(){ global_a = 1; } tst2.cpp: #include

问题 This question already has answers here : How do I use extern to share variables between source files? (17 answers) Closed 7 years ago . I'm writing little student project and stuck with the problem that I have a few global variables and need to use it in a few source files, but I get the error *undefined reference to variable_name*. Let's create three source files for example: tst1.h: extern int global_a; void Init(); tst1.cpp: #include "tst1.h" void Init(){ global_a = 1; } tst2.cpp: #include

问题 I have a script that looks like a more complicated version of this: import ray var1 = 0 var2 = 0 @ray.remote def create(n): global var1 global var2 for i in range(10): var1 += 1 var2 += 1 def create2(): tasks = [create.remote(i) for i in range(20)] ray.get(tasks) create2() This errors because Ray does not allow global variables to be used in the traditional way. How can I get around this? 回答1: Q : "How can I get around this?" One solution would be to create a method .add1() for either of

问题 Using React-native on android. However, I think my question applies to any javascript environment. I am constructing a function from text sent from the server (there are good reasons for it). function helper_called_from_dynamic (arg1) { console.log('helper called ',arg1); } export class MyInvoker { constructor () { this._funcProps={}; } initialize ( item ) { this._funcProps["df1"]=new Function (["inArg1"],item.fnBody); } call_dynamic_func (fnName,arg1) { return this._funcProps[fnName](arg1);

问题 Using React-native on android. However, I think my question applies to any javascript environment. I am constructing a function from text sent from the server (there are good reasons for it). function helper_called_from_dynamic (arg1) { console.log('helper called ',arg1); } export class MyInvoker { constructor () { this._funcProps={}; } initialize ( item ) { this._funcProps["df1"]=new Function (["inArg1"],item.fnBody); } call_dynamic_func (fnName,arg1) { return this._funcProps[fnName](arg1);

问题 Using React-native on android. However, I think my question applies to any javascript environment. I am constructing a function from text sent from the server (there are good reasons for it). function helper_called_from_dynamic (arg1) { console.log('helper called ',arg1); } export class MyInvoker { constructor () { this._funcProps={}; } initialize ( item ) { this._funcProps["df1"]=new Function (["inArg1"],item.fnBody); } call_dynamic_func (fnName,arg1) { return this._funcProps[fnName](arg1);

来源： https://stackoverflow.com/questions/55131372/global-scss-variables-for-angular-components-without-importing-them-everytime

来源： https://stackoverflow.com/questions/55131372/global-scss-variables-for-angular-components-without-importing-them-everytime

来源： https://stackoverflow.com/questions/64417276/trying-to-get-2-plotly-graphs-to-work-independtly-not-with-global-variables

来源： https://stackoverflow.com/questions/64417276/trying-to-get-2-plotly-graphs-to-work-independtly-not-with-global-variables