大约有 15,640 项符合查询结果（耗时：0.0396秒） [XML]
How do you effectively model inheritance in a database?
... to confusion. "TPT" is supertype-subtype. "TPH" is Unnormalised, a gross error. "TPH" is even less Normalised, another gross error.
– PerformanceDBA
Nov 10 '10 at 21:33
45
...
How do I send a JSON string in a POST request in Go
...
Can this be updated to gather / inspect all it's errors? This is (for me, at least) the top result on google for making post requests in Go, and it's a good answer, but I see a ton of example code that just ignores errors, and I think it encourages bad practice in newbies. ...
How do I install Python OpenCV through Conda?
...OpenCV, but am running into an issue where when I type import cv I get the error DLL load failed: The specified module could not be found. I was wondering if you ran into this issue during your install.
– cogle
Dec 26 '14 at 6:18
...
How to remove all MySQL tables from the command-line without DROP database permissions? [duplicate]
...evart's version is correct, but here are some improvements to avoid having error. I've edited the @Devart's answer, but it was not accepted.
SET FOREIGN_KEY_CHECKS = 0;
SET GROUP_CONCAT_MAX_LEN=32768;
SET @tables = NULL;
SELECT GROUP_CONCAT('`', table_name, '`') INTO @tables
FROM information_sche...
download file using an ajax request
....php?get_file=true" or something... I have an ajax function that does some error checking on a form submission and then creates a csv file. If the error check fails, it has to come back with why it failed. If it creates the CSV it is telling the parent that "go ahead and fetch the file". I do that b...
How do I send a cross-domain POST request via JavaScript?
... textStatus, jqXHR) {
var value = responseData.someKey;
},
error: function (responseData, textStatus, errorThrown) {
alert('POST failed.');
}
});
When you do the POST in step 2, your browser will send a "OPTIONS" method to the server. This is a "sniff" by the browser ...
How to get last inserted id?
...
Hmm. When I tried this I got an error: "Object reference not set to an instance of an object." even though it is run immediately after the Execute.
– khany
May 17 '14 at 10:39
...
How should strace be used?
...see what your OS does. It basically saves the trouble of writing logging / error-check code for one-off experiments. (Or if you're writing in asm or something where there's a good chance you accidentally passed the wrong args or even call number.) strace is much faster than GDB because it looks up...
“Could not run curl-config: [Errno 2] No such file or directory” when installing pycurl
...
thanks for the python-dev package! i had this error without it : src/pycurl.h:4:20: fatal error: Python.h: No such file or directory
– Skullone
Apr 1 '19 at 14:14
...
了解 Boost Filesystem Library - C/C++ - 清泛网 - 专注C/C++及内核技术
...stem Library 将使用 C++ 异常报告运行时错误。boost::filesystem_error 类派生自std::runtime_error 类。库中的函数使用 filesystem_error 异常报告操作错误。与不同的可能错误类型对应，Boost 头文件定义了相应的错误代码。用户代码通常驻留在 t...