driver

问题 I would like to know what precisely is happening since php script runs the query to the moment when database returns data and php script starts to fetch them. In theory, I have a Postgre database with huge table, talking about 10/20 million records with 20+ columns and I have a php script which is requesting all that rows from database to be placed in, lets say, some file. My knowledge is: php script runs the pg_query command with sql query through postgres php driver/extension query is

问题 Ok, i have a simple database engine (its a proprietary product written in vb6) for one of my applications... i'd like to create an ODBC driver for it so i can use some of my other applications (which require a database) with my database engine rather than microsoft sql (which they are currently using).... Does anyone have any heads up on how to develop an ODBC driver (preferably in vb6) ... i'v spent the last few hours googling it and havnt had much luck... about the best thing i have found

问题 Does Each PCI peripheral function (from Linux Device Driver -- Book Each PCI periphel is identified by a bus number, a device number, and a function number. ) specified as a pci driver data? (Question: is net_device a driver function in pci_dev as a network function ) as assigning in net_device dev pci_dev pdev .... .... pci_set_drvdata (pdev, dev); the above code is present in Linux's RealTek Ethernet driver's pci device driver's probe function from https://github.com/torvalds/linux/blob

问题 I have tried to set up Redis server on my windows 7 32 bit. I did not find a 32-bit supportive version of Redis. How can I do this? Advance thanks. 回答1: Download the .zip file to your hard drive. Unzip the files into any location, such as ‘C:\Program Files\Redis\’. Add the path of your Redis folder as a Windows ‘environment variable.’ Open your Command Prompt (ex: cmd.exe). install redis server redis-server --service-install start redis server redis-server --service-start save and stop the

问题 I haven't been able to perform a complex query with an Any() inside an Any(), using MongoDB C# Driver.. I have this C# models (equivalent to the mongo database models): [BsonCollection("alert_evaluations")] public class AlertEvaluation : Document { public ICollection<EvaluationResult> EvaluationResults { get; set; } public string EvaluationStatus { get; set; } public DateTime EvaluatedAt { get; set; } } public class EvaluationResult { public ICollection<EvaluatedLabel> EvaluatedLabels { get;

问题 I haven't been able to perform a complex query with an Any() inside an Any(), using MongoDB C# Driver.. I have this C# models (equivalent to the mongo database models): [BsonCollection("alert_evaluations")] public class AlertEvaluation : Document { public ICollection<EvaluationResult> EvaluationResults { get; set; } public string EvaluationStatus { get; set; } public DateTime EvaluatedAt { get; set; } } public class EvaluationResult { public ICollection<EvaluatedLabel> EvaluatedLabels { get;

问题 I haven't been able to perform a complex query with an Any() inside an Any(), using MongoDB C# Driver.. I have this C# models (equivalent to the mongo database models): [BsonCollection("alert_evaluations")] public class AlertEvaluation : Document { public ICollection<EvaluationResult> EvaluationResults { get; set; } public string EvaluationStatus { get; set; } public DateTime EvaluatedAt { get; set; } } public class EvaluationResult { public ICollection<EvaluatedLabel> EvaluatedLabels { get;

问题 How can i install and load the Qmysql driver using Pyside2 (pip) with python3.8? I've already tried to download git:qtbase and compiled the driver from there but I had any luck. 回答1: This answer covers not only the installation for Linux but for the other OS, besides that it also applies for pyqt5 The binaries used by Qt are the same ones used by PyQt5/PySide2 since they use the same base code so you will have to compile the plugins. In this case, to compile the mysql plugin you must follow

问题 How can i install and load the Qmysql driver using Pyside2 (pip) with python3.8? I've already tried to download git:qtbase and compiled the driver from there but I had any luck. 回答1: This answer covers not only the installation for Linux but for the other OS, besides that it also applies for pyqt5 The binaries used by Qt are the same ones used by PyQt5/PySide2 since they use the same base code so you will have to compile the plugins. In this case, to compile the mysql plugin you must follow

问题 How can i install and load the Qmysql driver using Pyside2 (pip) with python3.8? I've already tried to download git:qtbase and compiled the driver from there but I had any luck. 回答1: This answer covers not only the installation for Linux but for the other OS, besides that it also applies for pyqt5 The binaries used by Qt are the same ones used by PyQt5/PySide2 since they use the same base code so you will have to compile the plugins. In this case, to compile the mysql plugin you must follow