大约有 47,000 项符合查询结果(耗时:0.0767秒) [XML]
Why can't I have abstract static methods in C#?
I've been working with providers a fair bit lately, and I came across an interesting situation where I wanted to have an abstract class that had an abstract static method. I read a few posts on the topic, and it sort of made sense, but is there a nice clear explanation?
...
How to send an email using PHP?
I am using PHP on a website and I want to add emailing functionality.
14 Answers
14
...
How to convert a string to integer in C?
... const char **errstr);
EDIT
You might also be interested in strtoumax and strtoimax which are standard functions in C99. For example you could say:
uintmax_t num = strtoumax(s, NULL, 10);
if (num == UINTMAX_MAX && errno == ERANGE)
/* Could not convert. */
Anyway, stay away from a...
Architecture for merging multiple user accounts together
Okay, I got a website where you can register yourself and login. You can also login with your facebook, twitter or linkedin account.
...
How to make an input type=button act like a hyperlink and redirect using a get request? [duplicate]
How do I make a <input type=button> act like a hyperlink and redirect using a GET request?
6 Answers
...
Using CMake with GNU Make: How can I see the exact commands?
I use CMake with GNU Make and would like to see all commands exactly (for example how the compiler is executed, all the flags etc.).
...
How does one write code that best utilizes the CPU cache to improve performance?
...aiting for a memory request to be fulfilled (avoiding the memory latency), and as a second effect, possibly to reduce the overall amount of data that needs to be transfered (preserving memory bandwidth).
Techniques for avoiding suffering from memory fetch latency is typically the first thing to con...
bash: pip: command not found
I downloaded pip and ran python setup.py install and everything worked just fine. The very next step in the tutorial is to run pip install <lib you want> but before it even tries to find anything online I get an error "bash: pip: command not found".
...
What is the purpose of the -nodes argument in openssl?
...te key in a PKCS#12 file.
To encrypt the private key, you can omit -nodes and your key will be encrypted with 3DES-CBC. To encrypt the key, OpenSSL prompts you for a password and it uses that password to generate an encryption key using the key-derivation function EVP_BytesToKey.
Depending on you...
How to get exit code when using Python subprocess communicate method?
How do I retrieve the exit code when using Python's subprocess module and the communicate() method?
5 Answers
...