大约有 31,400 项符合查询结果(耗时:0.0339秒) [XML]

https://stackoverflow.com/ques... 

Using numpy to build an array of all combinations of two arrays

... It should be noted that meshgrid only works for smaller range sets, I have a large one and I get error: ValueError: maximum supported dimension for an ndarray is 32, found 69 – mikkom Oct 20 '19 at 6:54 ...
https://stackoverflow.com/ques... 

What is a good choice of database for a small .NET application? [closed]

I'm developing a small application with C# in .NET and I want to have a small light weight database which does not use much resources. ...
https://stackoverflow.com/ques... 

Git workflow and rebase vs merge questions

... "Conflicts" mean "parallel evolutions of a same content". So if it goes "all to hell" during a merge, it means you have massive evolutions on the same set of files. The reason why a rebase is then better than a merge is that: you rewrite your ...
https://stackoverflow.com/ques... 

How to vertically center a div for all browsers?

I want to center a div vertically with CSS. I don't want tables or JavaScript, but only pure CSS. I found some solutions, but all of them are missing Internet Explorer 6 support. ...
https://stackoverflow.com/ques... 

Regex to match only letters

...pends on what definition of "latin character" you choose. J, U, Ö, Ä can all be argued to be latin characters or not, based on your definition. But they are all used in languages that use the "latin alphabet" for writing. – Joachim Sauer Sep 1 '10 at 12:23 ...
https://stackoverflow.com/ques... 

What is the recommended way to delete a large number of items from DynamoDB?

... What I ideally want to do is call LogTable.DeleteItem(user_id) - Without supplying the range, and have it delete everything for me. An understandable request indeed; I can imagine advanced operations like these might get added over...
https://stackoverflow.com/ques... 

How to drop a PostgreSQL database if there are active connections to it?

... Actually it would disconnect clients one by one, and if you client is in the middle of the list it will be disconnected too. As a result, some connections will stay alive. So, the right answer is by Craig Ringer (see below). SELE...
https://stackoverflow.com/ques... 

Why must we define both == and != in C#?

...tors is present, it will use the default reference equality operator, that all objects have, there is not an overload for it.1 Knowing that this is the case, the real question is: Why was this designed in this way and why doesn't the compiler figure it out on its own? A lot people are saying this ...
https://stackoverflow.com/ques... 

How can I get the MAC and the IP address of a connected client in PHP?

... address, you could parse the output of netstat -ie in Linux, or ipconfig /all in Windows. Client IP address You can get the client IP from $_SERVER['REMOTE_ADDR'] Client MAC address The client MAC address will not be available to you except in one special circumstance: if the client is on the s...
https://stackoverflow.com/ques... 

C++ IDE for Linux? [closed]

... Initially: confusion When originally writing this answer, I had recently made the switch from Visual Studio (with years of experience) to Linux and the first thing I did was try to find a reasonable IDE. At the time this was impo...