# required=False,allow_null=True允许字段为空,也就是不用传递过来这个data description = serializers.CharField(allow_blank=True) #allow_blank=True 允许只为空字符串 # 局部钩子:针对单个属性对应的数据进行校验 def validate_name(self,val): # print('xxxxx>>>',val) #xxxxx>>> ccbb if '777' in ...
RAISE_APPLICATION_ERROR函数能够在pl/sql程序块的执行部分和异常部分调用,显式抛出带特殊错误号的命名异常。 Raise_application_error(error_number,message[,true,false])) 错误号的范围是-20,000到-20,999。错误信息是文本字符串,最多为2048字节。TRUE和FALSE表示是添加(TRUE)进错误堆(ERROR STACK)还是覆盖(overw...
assert断言 assert后面跟判断语句,bool值为True时通过,为False时报错(AssertionError)
133 EXPORTING 134 runtime_call = seex_true 135 exit_name = exit_name 136 EXCEPTIONS 137 singular_exit_multiply_active = 1 138 no_active_implementation = 2 139 only_default_implementation = 3 140 OTHERS = 4. 141 CASE sy-subrc. 142 WHEN 0. 143 act_imp_existing = seex_true. 144 WHEN...
{rank} is running") except Exception as e: print(f"Worker {rank} encountered an error: {e}") def main(): try: mp.spawn(worker_fn, args=(4,), nprocs=4, join=True) except mp.spawn.ProcessExitedException as e: print(f"A process exited unexpectedly: {e}") if __name__ == "_...
Ruby 2.6 make our lives easier by providing an optionexception: trueso that we do not need to useraiseexplicitly to halt script execution. irb> system('rake db:migrate', exception: true) == 20180311211836 AddFirstNameToAdmins: migrating === -- add_column(:admins, :first_name,...
Is CUDA available: True CUDA runtime version: 12.8.61 CUDA_MODULE_LOADING set to: LAZY GPU models and configuration: GPU 0: NVIDIA A16 GPU 1: NVIDIA A16 GPU 2: NVIDIA A16 GPU 3: NVIDIA A16 GPU 4: NVIDIA A16 GPU 5: NVIDIA A16 GPU 6: NVIDIA A16 GPU 7: NVIDIA A16 GPU 8: NVIDIA...
parametrize("autotune_at_compile_time", [True, False]) Contributor aakhundov Dec 18, 2024 Choose a reason for hiding this comment The reason will be displayed to describe this comment to others. Learn more. Hide comment Remove autotune_at_compile_time as irrelevant? 👍 1 test/...
MgmntSrvceEx(WebManagementServiceException ex) { string msg = ex.ResourceName; if (string.IsNullOrEmpty(ex.Message) != true)msg += " \n Message \n" + ex.Message; MessageBox.Show(msg, ex.Source); } void DisplayExceptionString(Exception ex) { if (ex is WebManagementServiceException) { ...
虽然已经有了一些机制可以获取 stack trace，但它们存在一些缺点。于是"Simple Frame"（SFrame） stack ...