大约有 47,000 项符合查询结果(耗时:0.0379秒) [XML]
ADO方式读取EXCEL数据存在致命BUG!!!!! - 更多技术 - 清泛网 - 专注C/C++及内核技术
...喜欢使用ADO方式来读取excel文档,该方式有如下优点:
1、即使是当前机器上没有安装excel,也能通过ado方式读取excel文档中的数据;
2、不用打开excel,直接调用数据,执行效率高。
把下面这段代码拷贝到VBA窗口,执行后会...
Linux C++ 单元测试与gcov代码覆盖率统计 - C/C++ - 清泛网 - 专注C/C++及内核技术
...附录
可以过滤/剔除目录:
lcov --rc lcov_branch_coverage=1 -e xxx.tmp '*src/*' -o xxx
lcov --rc lcov_branch_coverage=1 -r xxx.tmp '/usr/include/*' '*lib/*' -o xxx
Demo shell:
g++ --coverage demo.cpp # demo.gcno
./a.out # demo.gcda
gcov demo # demo.cpp.gcov
cat demo.cpp.g...
C++简练易用的线程池(threadpool)及上下文隔离的无锁线程池(isolated_threa...
...的,效率已极致优化的代码,可直接用于实际项目开发。1、C++简练易用的线程池(threadpool)
完整代码:threadpool.hpp
部分核心代码如下:
// 提交一个任务
// 调用.get()获取返回值会等待任务执行完,获取返回值
// 有两种方法可...
[解决]Missing Constraint: Bundle-RequiredExecutionEnvironment: J2SE-1....
[解决]Missing Constraint: Bundle-RequiredExecutionEnvironment: J2SE-1.5eclipse-Missing-Constraint原因:eclipse版本太老了,java版本太新了不匹配导致。解决:安装最新的eclipse,地址:https: www eclipse org downloads 参考:https: www eclipse org forums index php t 1...
[解决]Missing Constraint: Bundle-RequiredExecutionEnvironment: J2SE-1....
[解决]Missing Constraint: Bundle-RequiredExecutionEnvironment: J2SE-1.5eclipse-Missing-Constraint原因:eclipse版本太老了,java版本太新了不匹配导致。解决:安装最新的eclipse,地址:https: www eclipse org downloads 参考:https: www eclipse org forums index php t 1...
[解决]Missing Constraint: Bundle-RequiredExecutionEnvironment: J2SE-1....
[解决]Missing Constraint: Bundle-RequiredExecutionEnvironment: J2SE-1.5eclipse-Missing-Constraint原因:eclipse版本太老了,java版本太新了不匹配导致。解决:安装最新的eclipse,地址:https: www eclipse org downloads 参考:https: www eclipse org forums index php t 1...
[解决]Missing Constraint: Bundle-RequiredExecutionEnvironment: J2SE-1....
[解决]Missing Constraint: Bundle-RequiredExecutionEnvironment: J2SE-1.5eclipse-Missing-Constraint原因:eclipse版本太老了,java版本太新了不匹配导致。解决:安装最新的eclipse,地址:https: www eclipse org downloads 参考:https: www eclipse org forums index php t 1...
[解决]Missing Constraint: Bundle-RequiredExecutionEnvironment: J2SE-1....
[解决]Missing Constraint: Bundle-RequiredExecutionEnvironment: J2SE-1.5eclipse-Missing-Constraint原因:eclipse版本太老了,java版本太新了不匹配导致。解决:安装最新的eclipse,地址:https: www eclipse org downloads 参考:https: www eclipse org forums index php t 1...
[解决]Missing Constraint: Bundle-RequiredExecutionEnvironment: J2SE-1....
[解决]Missing Constraint: Bundle-RequiredExecutionEnvironment: J2SE-1.5eclipse-Missing-Constraint原因:eclipse版本太老了,java版本太新了不匹配导致。解决:安装最新的eclipse,地址:https: www eclipse org downloads 参考:https: www eclipse org forums index php t 1...
[解决]Missing Constraint: Bundle-RequiredExecutionEnvironment: J2SE-1....
[解决]Missing Constraint: Bundle-RequiredExecutionEnvironment: J2SE-1.5eclipse-Missing-Constraint原因:eclipse版本太老了,java版本太新了不匹配导致。解决:安装最新的eclipse,地址:https: www eclipse org downloads 参考:https: www eclipse org forums index php t 1...
