-c main.cpp -o out/main.o main.cpp: In function ‘void test_elog()’: main.cpp:80:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < sizeof(buf); i++) ^ gcc -I./easylogger/easylogger/inc -I./easylogger/source_code/inc -...
main.cpp: In function ‘void test_elog()’:main.cpp:80:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < sizeof(buf); i++) ^gcc -I./easylogger/easylogger/inc -I./easylogger/source_code/inc -I./easylogger/source_code/plugins/...
The log10() function returns the base 10 logarithm of a number.Tip: The base 10 logarithm indicates approximately how many digits the integer part of a number has. See how to use it to count digits in the example below.The log10() function is defined in the <cmath> header file....
[Mathematics] logex = log(x) [In C++ Programming]log() 原型 [从 C++ 11 标准开始]double log (double x); float log (float x); long double log (long double x); double log (T x); // For integral type参数:log() 函数采用 [0, ∞] 范围内的单个强制参数。如果该值小于零,log() ...
-c main.cpp -o out/main.o main.cpp: In function‘void test_elog()’: main.cpp:80:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < sizeof(buf); i++) ^ gcc -I./easylogger/easylogger/inc -I./easylogger/source_code/inc -I...
log_bin_trust_function_creators设置ON 运维 Log4cpp使 Log4cpp中最重要概念有Category(种类)、Appender(附加器)、Layout(布局)、Priorty(优先 级)、NDC(嵌套的诊断上下)。 Category、Appender与Layout三者的关系如下图所示: 下载地址:https://sourceforge.net/projects/log4cpp/files/latest/download 我下载的是: ...
void MainWindow::on_pushButton_clicked(){ui->pushButton->setEnabled(false);QFuture<void> future = QtConcurrent::run([&](){while(1){QMutex mutex;QMutexLocker locker(&mutex);logger->info("&&&&&on_pushButton_clicked&&&&&&&",__FILE__,__FUNCTION__,QString::number(__LINE__));QThread...
/XXX/system/logging/liblog/logger_write.cpp __android_log_buf_write -->__android_log_write_log_message -->get_logger_function -->__android_log_logd_logger -->write_to_log -->LogdWrite 最终写到 “/dev/socket/logdw”中,此时logd中的LogListener会监测到存在log信息需要写入,待log保存到bu...
g++ -I./easylogger/easylogger/inc -I./easylogger/source_code/inc -I./easylogger/source_code/plugins/file -O0 -g3 -Wall -Wall -I. -c main.cpp -o out/main.omain.cpp: In function ‘void test_elog()’:main.cpp:80:19: warning: comparison between signed and unsigned integer expressions...
cpp文件: DEFINE_LOG_CATEGORY(LogCustom); 头文件片段的语法是DECLARE_LOG_CATEGORY_EXTERN(CategoryName, DefaultVerbosity, CompileTimeVerbosity).DefaultVerbosity是在 ini 文件或命令行中未指定详细级别时使用的详细级别。不会记录任何比这更详细的内容。CompileTimeVerbosity是要在代码中编译的最大详细程度。任何比这更...