大约有 45,000 项符合查询结果（耗时：0.0520秒） [XML]
PHP_SELF vs PATH_INFO vs SCRIPT_NAME vs REQUEST_URI
I am building a PHP application in CodeIgniter. CodeIgniter sends all requests to the main controller: index.php . However, I don't like to see index.php in the URI. For example, http://www.example.com/faq/whatever will route to http://www.example.com/index.php/faq/whatever . I need a reliable...
Xcode doesn't show the line that causes a crash
...normal (segmentation fault for example) but the crash I am trying to deal with is a simple SIGABRT with detailed information logged in the console:
...
What is the best practice for “Copy Local” and with project references?
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In a previous project I worked with one big solution with project references and bumped into a performance problem as well. The solution was three fold:
Always set the Copy Local property to false and enforce this via a custom msbuild step
Set the output ...
MySQL DROP all tables, ignoring foreign keys
... generated set of drop statements useful, and recommend these tweaks:
Limit the generated drops to your database like this:
SELECT concat('DROP TABLE IF EXISTS `', table_name, '`;')
FROM information_schema.tables
WHERE table_schema = 'MyDatabaseName';
Note 1: This does not execute the DROP s...
How to write to a file, using the logging Python module?
How can I use the logging module in Python to write to a file? Every time I try to use it, it just prints out the message.
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get current url in twig template?
... in a Twig template (and not the full URL), i.e.
I don't want http://www.sitename.com/page , I only need /page .
6 Answer...
PHP Pass variable to next page
It seems pretty simple but I can't find a good way to do it.
8 Answers
8
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What is the proper way to comment functions in Python?
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The correct way to do it is to provide a docstring. That way, help(add) will also spit out your comment.
def add(self):
"""Create a new user.
Line 2 of comment...
And so on...
"""
That's three double quotes to open the comment ...
performSelector may cause a leak because its selector is unknown
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Solution
The compiler is warning about this for a reason. It's very rare that this warning should simply be ignored, and it's easy to work around. Here's how:
if (!_controller) { return; }
SEL selector = NSSelectorFromString(@"someMethod");
IMP imp = [_controller methodForSelector:...
Regex lookahead, lookbehind and atomic groups
...obarbarfoo:
bar(?=bar) finds the 1st bar ("bar" which has "bar" after it)
bar(?!bar) finds the 2nd bar ("bar" which does not have "bar" after it)
(?<=foo)bar finds the 1st bar ("bar" which has "foo" before it)
(?<!foo)bar finds the 2nd bar ("bar" which does not have "foo" before...