大约有 40,000 项符合查询结果（耗时：0.0695秒） [XML]
Django self-referential foreign key
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
How can I convert ereg expressions to preg in PHP?
...pha-numeric, a backslash or a whitespace character. The most used are generally ~, / and #.
You can also use matching brackets:
preg_match('[^hello]', $str);
preg_match('(^hello)', $str);
preg_match('{^hello}', $str);
// etc
If your delimiter is found in the regular expression, you have to escap...
Timer & TimerTask versus Thread + sleep in Java
...threading issues (such as avoiding deadlocks etc.). And of course it is usually better to use well-tested standard code instead of some homemade solution.
share
|
improve this answer
|
...
How to get .pem file from .key and .crt files?
...u that.
– maxwellb
Jun 13 '09 at 23:32
11
Just a heads up that cat server.crt server.key > ser...
how to break the _.each function in underscore.js
...t provide to escape the loop (other than throwing an exception).
However, all hope is not lost! You can use the Array.every method. :)
From that link:
every executes the provided callback function once for each element present in the array until it finds one where callback returns a false valu...
Error handling principles for Node.js + Express.js applications?
...
Error handling in Node.js is generally of the format A). Most callbacks return an error object as the first argument or null.
Express.js uses middleware and the middleware syntax uses B) and E) (mentioned below).
C) is bad practice if you ask me.
app.get('...
Pandas selecting by label sometimes return Series, sometimes returns DataFrame
...answered Dec 4 '13 at 19:36
Dan AllanDan Allan
27.4k66 gold badges6060 silver badges6060 bronze badges
...
machine learning libraries in C# [closed]
...
answered Oct 26 '09 at 10:32
Simon P StevensSimon P Stevens
25.7k33 gold badges7070 silver badges100100 bronze badges
...
How do I overload the [] operator in C# [duplicate]
I would like to add an operator to a class. I currently have a GetValue() method that I would like to replace with an [] operator.
...
How do I get epoch time in C#? [duplicate]
I'm trying to figure out how to get the epoch time in C#. Similar to the timestamps given on this website: http://www.epochconverter.com/
...