大约有 48,000 项符合查询结果(耗时:0.0633秒) [XML]
Avoiding if statement inside a for loop?
...e penalty.
The idea of passing in what varies is ubiquitous in the C++ Standard Library. It is called the strategy pattern.
If you are allowed to use C++11, you can do something like this:
#include <iostream>
#include <set>
#include <vector>
template <typename Container, ty...
First-time database design: am I overengineering? [closed]
I'm a first year CS student and I work part time for my dad's small business. I don't have any experience in real world application development. I have written scripts in Python, some coursework in C, but nothing like this.
...
Format output string, right alignment
...ew = '{:>12} {:>12} {:>12}'.format(word[0], word[1], word[2])
And here's how to do it using the old % syntax (useful for older versions of Python that don't support str.format):
line_new = '%12s %12s %12s' % (word[0], word[1], word[2])
...
What are the best practices for catching and re-throwing exceptions?
... do something meaningful.
"Something meaningful" might be one of these:
Handling the exception
The most obvious meaningful action is to handle the exception, e.g. by displaying an error message and aborting the operation:
try {
$connect = new CONNECT($db, $user, $password, $driver, $host);
}...
Chrome: timeouts/interval suspended in background tabs?
...appliances not dramatically inaccurate. Now if I run the test in in Chrome and let it run in a background tab (so, switching to another tab and browse on there), returning to the test and inspecting te results (if the test finished) they are dramatically changed. It looks like the timeouts have been...
How do I search for an object by its ObjectId in the mongo console?
I've found this question answered for C# and Perl, but not in the native interface. I thought this would work:
12 Answers
...
Are Swift variables atomic?
In Objective-C you have a distinction between atomic and nonatomic properties:
6 Answers
...
How do you migrate an IIS 7 site to another server?
...key
On the new server, go back to the “Shared Configuration” section and check “Enable shared configuration.” Enter the location in physical path to these files and apply them.
It should prompt for the encryption password(if you set it) and reset IIS.
BAM! Go have a beer!
...
Python csv string to array
Anyone know of a simple library or function to parse a csv encoded string and turn it into an array or dictionary?
10 Answe...
Short description of the scoping rules?
...e
Local — Names assigned in any way within a function (def or lambda), and not declared global in that function
Enclosing-function — Names assigned in the local scope of any and all statically enclosing functions (def or lambda), from inner to outer
Global (module) — Names assigned at the to...
