大约有 5,240 项符合查询结果（耗时：0.0132秒） [XML]
What happens to a declared, uninitialized variable in C? Does it have a value?
...zero
}
Non-static variables (local variables) are indeterminate. Reading them prior to assigning a value results in undefined behavior.
void foo() {
int x;
printf("%d", x); // the compiler is free to crash here
}
In practice, they tend to just have some nonsensical value in there initially...
Using the “start” command with parameters passed to the started program
I have a Virtual Machine in Virtual PC 2007.
12 Answers
12
...
How to delete images from a private docker registry?
I run a private docker registry, and I want to delete all images but the latest from a repository. I don't want to delete the entire repository, just some of the images inside it. The API docs don't mention a way to do this, but surely it's possible?
...
phpunit mock method multiple calls with different arguments
Is there any way to define different mock-expects for different input arguments? For example, I have database layer class called DB. This class has method called "Query ( string $query )", that method takes an SQL query string on input. Can I create mock for this class (DB) and set different return ...
Removing empty lines in Notepad++
How can I replace empty lines in Notepad++? I tried a find and replace with the empty lines in the find, and nothing in the replace, but it did not work; it probably needs regex.
...
HTML 5 tag vs Flash video. What are the pros and cons?
This question was made over 9 years ago. It made sense then, it doesn't make it now. Flash is hard on its way out; <video> support is ubiquitous, including mobile devices. Almost anything that Flash could do, HTML can now do too. HTML won, Flash lost. If you're pondering on how to embed vide...
“/usr/bin/ld: cannot find -lz”
...
I had the exact same error, and like you, installing zlib1g-dev did not fix it. Installing lib32z1-dev got me past it. I have a 64 bit system and it seems like it wanted the 32 bit library.
...
How to convert “camelCase” to “Camel Case”?
I’ve been trying to get a JavaScript regex command to turn something like "thisString" into "This String" but the closest I’ve gotten is replacing a letter, resulting in something like "Thi String" or "This tring" . Any ideas?
...
How do I see a C/C++ source file after preprocessing in Visual Studio?
Let's say I have a source file with many preprocessor directives. Is it possible to see how it looks after the preprocessor is done with it?
...
Can't resize UIView in IB
Probably something simple, but I can't figure why I cannot resize a UIView in a xib in Interface Builder.
9 Answers
...