var api_friends_helper = require('./helper.js');
try{
api_friends_helper.do_stuff(function(result){
console.log('success');
};
}catch(err){
console.log('caught error'); //this doesn't hit!
}
在do_stuff内部,我有:
function do_stuff(){
//If I put the throw
在尝试使用有效帐户登录时获取以下错误
if(!user.authenticate(password)){
^
TypeError: undefined is not a function
at Promise.<anonymous> (/home/kj/Desktop/nodejs-exp/MEAN_BOOK/config/strategies/local.js:19:16)
at Promise.<anonymous> (/home/kj/Desktop/nodejs-exp/MEAN_BOOK/node_modu
我正在运行我的NodeJs应用程序,我得到了一个错误。
sudo /usr/local/bin/node app.js
Error: Failed to load gRPC binary module because it was not installed for the current system
Expected directory: node-v57-linux-x64-glibc
Found: [node-v59-linux-x64-glibc]
This problem can often be fixed by running "npm rebuild&
我有个问题。我用siamese方法打乱了一个矩阵,并使用了下面的代码:
function magic = magicsquare(matrix,n)
magic=zeros(n,n);
i=1;
j=(n+1)/2;
for ki=1:n
for kj=1:n
is=i;
js=j;
magic(i,j)=matrix(ki,kj);
i=n-rem(n+1-i,n);
j=rem(j,n)+1;
if magic(i,j)~=0
i=rem(is,n)+1;
j=js;
end
end
end
现在,只有混洗后的矩阵,我需要得到初始矩阵。我该怎么做
[Report Only] Refused to frame 'https://docs.google.com/' because an ancestor violates the following Content Security Policy directive: "frame-ancestors https://docs.google.com".
3760914899-picker_modularized_opc.js:1112 Uncaught Error: Incorrect origin value. Please set it to - (w
当请求Gulp提供静态内容并加载when服务器时,我会得到以下错误。我正在学习专业的angularJS书。package.json和the文件都驻留在同一个文件夹中。
[21:30:44] Using gulpfile ~/Desktop/pro-angular2/gulpfile.js
[21:30:44] Starting 'connect'...
[21:30:44] 'connect' errored after 96 ms
[21:30:44] TypeError: undefined is not a function
at Gulp.<
我试图在c9.io虚拟机/云IDE上安装幻影-js,并得到以下错误:
$ sudo -s npm install --global ember-cli
...
0 info it worked if it ends with ok
28 info install phantomjs@1.9.16 into /nix/store/a5ibcbcsm473kdr75kj4gpsr28ndnknp-nodejs-0.10.26/lib
29 info installOne phantomjs@1.9.16
30 info /nix/store/a5ibcbcsm473kdr75kj4gpsr28n
我需要计算绝对值在增加,但又是交替的数字的有限和。问题是:绝对值增长太快,开始积累数值误差。这些函数定义,一个(Gj_full)直接指向它,另一个(Gj)递归。fact_quo是一个简单的阶乘函数。
def fact_quo(n, m=1):
if (type(n) != int) or (type(m) != int):
raise TypeError("Arguments must be integers.")
if (n < 0) or (m < 0):
raise ValueError("n="
flex-grow-1正在使用从复制的if使用引导程序4.1.3
<head>
<!-- flex-grow-1 is working with these libraries -->
<!------------------------------------------------->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css">
<
这是我的警告代码,它不工作,我的意思是,我在屏幕上看不到任何东西,一切似乎都很好,我想我不认为我遗漏了javascript函数,因为它只是一个文本 <div class="alert alert-success" role="alert">
<h4 class="alert-heading">Well done!</h4>
<p>Aww yeah, you successfully read this important alert message. This ex