大约有 45,000 项符合查询结果（耗时：0.0625秒） [XML]
Skip List vs. Binary Search Tree
I recently came across the data structure known as a skip list . It seems to have very similar behavior to a binary search tree.
...
How do you run a Python script as a service in Windows?
I am sketching the architecture for a set of programs that share various interrelated objects stored in a database. I want one of the programs to act as a service which provides a higher level interface for operations on these objects, and the other programs to access the objects through that servic...
How to terminate a Python script
I am aware of the die() command in PHP which exits a script early.
10 Answers
10
...
TypeError: 'module' object is not callable
...t;class 'socket._socketobject'>
This is what the error message means:
It says module object is not callable, because your code is calling a module object. A module object is the type of thing you get when you import a module. What you were trying to do is to call a class object within the modul...
403 Forbidden vs 401 Unauthorized HTTP responses
...
A clear explanation from Daniel Irvine:
There's a problem with 401 Unauthorized, the HTTP status code for authentication errors. And that’s just it: it’s for authentication, not authorization.
Receiving a 401 response is the server telling you, “you aren’t
authenticated...
Making macOS Installer Packages which are Developer ID ready
... the OS X Installer. Although a component
package can be installed on its own, it is typically incorporated into a product archive.
Our tools: pkgbuild, productbuild, and pkgutil
After a successful "Build and Archive" open $BUILT_PRODUCTS_DIR in the Terminal.
$ cd ~/Library/Developer/Xcode/D...
Passing Data between View Controllers
I'm new to iOS and Objective-C and the whole MVC paradigm and I'm stuck with the following:
46 Answers
...
When/Why to use Cascading in SQL Server?
...ng up foreign keys in SQL Server, under what circumstances should you have it cascade on delete or update, and what is the reasoning behind it?
...
Determine which MySQL configuration file is being used
...
If you are on Linux, then start the 'mysqld' with strace, for eg strace ./mysqld.
Among all the other system calls, you will find something like:
stat64("/etc/my.cnf", 0xbfa3d7fc) = -1 ENOENT (No such file or directory)
stat64("/etc/mysql/my.cnf", {st_mode=S_IFR...
jQuery `.is(“:visible”)` not working in Chrome
...code runs smooth in Firefox, but doesn't seem to work in Chrome. In Chrome it shows .is(":visible") = false even when it is true .
...