大约有 40,000 项符合查询结果（耗时：0.0696秒） [XML]
How can I add or update a query string parameter?
...
I wrote the following function which accomplishes what I want to achieve:
function updateQueryStringParameter(uri, key, value) {
var re = new RegExp("([?&])" + key + "=.*?(&|$)", "i");
var separator = uri.indexOf('?') !== -1 ? "&" : "?";
if (uri...
What is a “callable”?
...allable is anything that can be called.
The built-in callable (PyCallable_Check in objects.c) checks if the argument is either:
an instance of a class with a __call__ method or
is of a type that has a non null tp_call (c struct) member which indicates callability otherwise (such as in functions,...
What is the meaning of single and double underscore before an object name?
...owever, nothing special is done with the name itself.
To quote PEP-8:
_single_leading_underscore: weak "internal use" indicator. E.g. from M import * does not import objects whose name starts with an underscore.
Double Underscore (Name Mangling)
From the Python docs:
Any identifier of th...
SVN encrypted password store
...ide that warning or use an encrypted storage to cache the passwords.
See: http://blogs.collab.net/subversion/2009/07/subversion-16-security-improvements/
share
|
improve this answer
|
...
iPad/iPhone hover problem causes the user to double click a link
...(i.e on a device with both mouse and touch interface).
Further Reading
http://jsfiddle.net/macfreek/24Z5M/. Test the above solution for yourself in this sandbox.
http://www.macfreek.nl/memory/Touch_and_mouse_with_hover_effects_in_a_web_browser. This same answer, with a bit more background.
http:...
What __init__ and self do on Python?
...
In this code:
class A(object):
def __init__(self):
self.x = 'Hello'
def method_a(self, foo):
print self.x + ' ' + foo
... the self variable represents the instance of the object itself. Most object-oriented languages pass this as a hidd...
What's the difference between design patterns and architectural patterns?
...itectural" pattern to deal with separation of concerns.
Try reading on:
http://en.wikipedia.org/wiki/Architectural_pattern_(computer_science)
http://en.wikipedia.org/wiki/Design_pattern
http://en.wikipedia.org/wiki/Anti-pattern
...
Is there a MySQL option/feature to track history of changes to records?
...ld vs new is available and the date this took place. Is there a feature or common technique to do this?
8 Answers
...
SQL selecting rows by most recent date
... is the answer to "SQL selecting rows by most recent date".
Modified from http://wiki.lessthandot.com/index.php/Returning_The_Maximum_Value_For_A_Row
SELECT t.chargeId, t.chargeType, t.serviceMonth FROM(
SELECT chargeId,MAX(serviceMonth) AS serviceMonth
FROM invoice
GROUP BY chargeId)...
Standard alternative to GCC's ##__VA_ARGS__ trick?
...
It is possible to avoid the use of GCC's ,##__VA_ARGS__ extension if you are willing to accept some hardcoded upper limit on the number of arguments you can pass to your variadic macro, as described in Richard Hansen's answer to this question. If you do not want to hav...