问题在于下面那个os.path.realpath,开发者想的是很好的,我不能只用文件名,因为Linux这样的系统上有符号链接,有可能传入的文件名实际位置,而module里面记录的是软硬连接的位置,那么我把realpath也存起来,两个都能用,就更可能找到对应的模块了。 这个os.path.realpath可没有那么简单!它一眼看上去和abspath、normpath...
QString filename=QFileDialog::getOpenFileName(this, "打开文件", "默认文件名"); ui->openEdit->setText(filename); } void MainWindow::on_saveButton_clicked() { QString filename1=QFileDialog::getSaveFileName(this, "选择保存文件路径", "默认文件名"); ui->saveEdit->setText(filename1); }...
由Linux内存分布图可知,KERNEL_DS意味着可以访问整个内存所有空间,USER_DS只能访问用户空间内存。 通过set_fs可以改变thread_info->addr_limit的大小。 /** For historical reasons, the following macros are grossly misnamed:*/#defineKERNEL_DS ((mm_segment_t) { ~0UL }) /* cf. access_ok() */#defi...
SQLRETURN SQLGetInfo( SQLHDBC ConnectionHandle, SQLUSMALLINT InfoType, SQLPOINTER InfoValuePtr, SQLSMALLINT BufferLength, SQLSMALLINT * StringLengthPtr); 引數ConnectionHandle [輸入] 連線控制代碼。InfoType [輸入]信息類型。InfoValuePtr [輸出]要在其中傳回信息的緩衝區指標。 根據 所要求的 InfoType ...
SQLRETURN SQLGetInfo( SQLHDBC ConnectionHandle, SQLUSMALLINT InfoType, SQLPOINTER InfoValuePtr, SQLSMALLINT BufferLength, SQLSMALLINT * StringLengthPtr); 引數ConnectionHandle [輸入] 連線控制代碼。InfoType [輸入]信息類型。InfoValuePtr [輸出]要在其中傳回信息的緩衝區指標。 根據 所要求的 InfoType ...
Using cached pygame-1.9.6.tar.gz (3.2 MB) Preparing metadata (setup.py) ... error error: subprocess-exited-with-error × python setup.py egg_info did not run successfully. │ exit code: 1 ╰─> [12 lines of output] WARNING, No"Setup"File Exists, Running"buildconfig/...
yum_repo="$DOWNLOAD_URL/linux/$lsb_dist/$REPO_FILE" if ! curl -Ifs "$yum_repo" > /dev/null; then echo "Error: Unable to curl repository file $yum_repo, is it valid?" exit 1 fi if [ "$lsb_dist" = "fedora" ]; then pkg_manager="dnf" config_manager="dnf config-...
Linux has both built-in and easily installable commands that can be used to fetch the required system and hardware details. This article explains the usage of some of these commands to enable you in knowing all about your Linux system.
Linux设备接入API参考 文档更新记录 文件说明 应用接口 Defines Functions Overview HiCarInit HiCarRelease HiCarRegisterListener HiCarStartAdv HiCarStopAdv HiCarReconnect HiCarGetPinCode HiCarGetConnectQRCode HiCarStartProjection HiCarStopProjection HiCarPauseProjection HiCarNewObject HiCar...
Linux设备接入API参考 文档更新记录 文件说明 应用接口 Defines Functions Overview HiCarInit HiCarRelease HiCarRegisterListener HiCarStartAdv HiCarStopAdv HiCarReconnect HiCarGetPinCode HiCarGetConnectQRCode HiCarStartProjection HiCarStopProjection HiCarPauseProjection HiCarNewObject HiCar...