当我试着计算
julia> -2.3^-7.6
-0.0017818389423254909
但是我的计算器给出的结果是
0.0005506 + 0.001694 i
为了安全起见,我又试了一次,这次它报错了。为什么我第一次尝试的时候它没有报错?
julia> a = -2.3; b = -7.6; a^b
ERROR: DomainError with -2.6:
Exponentiation yielding a complex result requires a complex argument.
Replace x^y with (x+0im)^y, Complex(x)^
"遇到了一个错误:
$ git push heroku maste
Warning: Permanently added the RSA host key for IP address '50.19.85.132' to the list of known hosts.
! Your key with fingerprint b7:fd:15:25:02:8e:5f:06:4f:1c:af:f3:f0:c3:c2:65 is not authorized to access bitstarter.
添加键报错如下:
$ ssh-add ~/.ssh/id_rsa
上传用thinkphp开发的代码后运行,总是报错:class "\QCloud_WeApp_SDK\Conf" not found in "/data/release/php-weapp-demo/install_qcloud_sdk.php",实际上传的代码并没有install_qcloud_sdk.php这个文件
当使用像这样的东西
class MyClass
{
public static function myFunction()
{
static::myOtherFunction();
}
private static function myOtherFunction()
{
…
}
}
PHP解析器将会报错
Parse error: syntax error, unexpected T_STATIC in ….php on line …
在较旧的PHP版本中。但是我找不到一个参考资料,像这样使用static关键字的
使用优图PHP SDK调用
Conf::setAppInfo($appid, $secretId, $secretKey, $userid,conf::API_YOUTU_END_POINT);
$ret = YouTu::driverlicenseocrurl($url,0);
返回需要如下报错,是否需要证书?证书在哪里下载?
curl_setopt(): CURLOPT_SSL_VERIFYHOST no longer accepts the value 1, value 2 will be used instead
导入WbCloudFaceLiveSdk和WbCloudNormal没有报错,导入WbCloudFaceWillSdk就报错,手动导入找不到WbCloudFaceWillSdk.aar文件,报错如下
Could not determine the dependencies of task ':app:compileDebugJavaWithJavac'.
> Could not resolve all task dependencies for configuration ':app:debugCompileClasspath'.
> Coul