你知道为什么这个函数会崩溃吗?
我使用window检索全局数组的值。我用console.log获取arr对象值,但是如果我试图在foreach中使用arr对象,就会破坏代码。你知道为什么吗?
function setDropDownList(raw_id, val){
// Get the ID
var the_id = '#'+raw_id;
// Get the array name as a string
var arrname = val+"Array";
// get the arr object using t
在我的工作线程中,最方便的外部循环逻辑是
lock (mutex_foo);
while (not done)
{
do_some_work ();
if (someone_is_waiting_for (mutex_foo))
{
unlock (mutex_foo);
wait_until_someone_else_locks (mutex_foo);
// expect this lock to already be taken,
// this thread will now wait it
我正在使用local_auth 2.0.0在我的颤振应用程序中实现指纹和人脸识别。当调用getBiometrics()时,docs列出了以下可用类型:
/// Various types of biometric authentication.
/// Some platforms report specific biometric types, while others report only
/// classifications like strong and weak.
enum BiometricType {
/// Face authentication.
face,