大约有 46,000 项符合查询结果(耗时:0.0479秒) [XML]

https://stackoverflow.com/ques... 

Getting the caller function name inside another function in Python? [duplicate]

...on 2 each frame record is a list. The third element in each record is the caller name. What you want is this: >>> import inspect >>> def f(): ... print inspect.stack()[1][3] ... >>> def g(): ... f() ... >>> g() g For Python 3.5+, each frame record i...
https://stackoverflow.com/ques... 

What is the definition of “interface” in object oriented programming

... one of the more overloaded and confusing terms in development. It is actually a concept of abstraction and encapsulation. For a given "box", it declares the "inputs" and "outputs" of that box. In the world of software, that usually means the operations that can be invoked on the box (along with ar...
https://www.tsingfun.com/ilife/idea/799.html 

CSS hack大全 - 创意 - 清泛网 - 专注C/C++及内核技术

...io:0){.bb{background-color:#f1ee18}}{} /* Safari(Chrome) 有效 */ @media all and (min-width: 0px){ .bb{background-color:#f1ee18;/*opera and Safari(Chrome) and firefox*/ background-color:#4cac70\0;}/* 仅 Opera 有效 */ }{} .bb, x:-moz-any-link, x:default{background-color:#4eff00;/*IE7、Firef...
https://stackoverflow.com/ques... 

How to lock orientation during runtime

Is there a way to lock orientation during runtime? For example I'd like to allow the user to lock the screen to landscape if the user currently in landscape and toggle the menu option. ...
https://stackoverflow.com/ques... 

Dealing with float precision in Javascript [duplicate]

...of significant digits, like this: (Math.floor(y/x) * x).toFixed(2) Convert all your numbers to integers share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Why is there no xrange function in Python3?

...Some performance measurements, using timeit instead of trying to do it manually with time. First, Apple 2.7.2 64-bit: In [37]: %timeit collections.deque((x for x in xrange(10000000) if x%4 == 0), maxlen=0) 1 loops, best of 3: 1.05 s per loop Now, python.org 3.3.0 64-bit: In [83]: %timeit collec...
https://stackoverflow.com/ques... 

How can I prevent SQL injection in PHP?

...is way it is impossible for an attacker to inject malicious SQL. You basically have two options to achieve this: Using PDO (for any supported database driver): $stmt = $pdo->prepare('SELECT * FROM employees WHERE name = :name'); $stmt->execute([ 'name' => $name ]); foreach ($stmt as $...
https://stackoverflow.com/ques... 

Iterate two Lists or Arrays with one ForEach statement in C#

... Did not know anything about those Zip operations, I'll make a small research on that topic. Thanks! – Hugo Dec 23 '09 at 23:02 4 ...
https://stackoverflow.com/ques... 

When should I use the Visitor Design Pattern? [closed]

...want to make the fewest possible modifications to it. The Visitor pattern allows you to move each new operation in a suitable class, and you need to extend the hierarchy's interface only once. Let's do it. First, we define an abstract operation (the "Visitor" class in GoF) which has a method for ev...
https://stackoverflow.com/ques... 

SQL Server: Make all UPPER case to Proper Case/Title Case

I have a table that was imported as all UPPER CASE and I would like to turn it into Proper Case. What script have any of you used to complete this? ...