大约有 42,000 项符合查询结果(耗时:0.0733秒) [XML]

https://stackoverflow.com/ques... 

How to use Python's pip to download and keep the zipped files for a package?

If I want to use the pip command to download a package (and its dependencies), but keep all of the zipped files that get downloaded (say, django-socialregistration.tar.gz) - is there a way to do that? ...
https://stackoverflow.com/ques... 

How is an HTTP POST request made in node.js?

... this were just a small part of the application, you would // want to handle this differently, maybe throwing an exception // for the caller to handle. Since the file is absolutely essential // to the program's functionality, we're going to exit with a fatal // error instead. con...
https://stackoverflow.com/ques... 

How do I make a textbox that only accepts numbers?

...e past I've done this kind of validation by overloading the KeyPress event and just removing characters which didn't fit the specification. I've looked at the MaskedTextBox control but I'd like a more general solution that could work with perhaps a regular expression, or depend on the values of othe...
https://stackoverflow.com/ques... 

What is Prefix.pch file in Xcode?

...d to make compiling faster. Rather than parsing the same header files over and over, these files get parsed once, ahead of time. Xcode In Xcode, you add imports of the header files you want in a “prefix header,” and enabling Precompile Prefix Header so they get precompiled. But the idea behind a...
https://stackoverflow.com/ques... 

How are multi-dimensional arrays formatted in memory?

...array1 to this function: void function1(int **a); you'll get a warning (and the app will fail to access the array correctly): warning: passing argument 1 of ‘function1’ from incompatible pointer type Because a 2D array is not the same as int **. The automatic decaying of an array into a ...
https://stackoverflow.com/ques... 

Is it good practice to make the constructor throw an exception? [duplicate]

...ke the constructor throw an exception? For example I have a class Person and I have age as its only attribute. Now I provide the class as ...
https://stackoverflow.com/ques... 

Linq: GroupBy, Sum and Count

... I don't understand where the first "result with sample data" is coming from, but the problem in the console app is that you're using SelectMany to look at each item in each group. I think you just want: List<ResultLine> result = Lin...
https://stackoverflow.com/ques... 

SQL Server: Database stuck in “Restoring” state

... You need to use the WITH RECOVERY option, with your database RESTORE command, to bring your database online as part of the restore process. This is of course only if you do not intend to restore any transaction log backups, i.e. you only wish to restore a database backup and then be able to acces...
https://stackoverflow.com/ques... 

How to install an apk on the emulator in Android Studio?

How do you install an apk on the emulator in Android Studio from the terminal? 12 Answers ...
https://stackoverflow.com/ques... 

What happens to an open file handle on Linux if the pointed file gets moved or deleted

What happens to an open file handle on Linux if the pointed file meanwhile gets: 7 Answers ...