大约有 47,000 项符合查询结果（耗时：0.0829秒） [XML]
Difference between static memory allocation and dynamic memory allocation
...would like to know what is the difference between static memory allocation and dynamic memory allocation?
7 Answers
...
How can I distinguish whether Switch,Checkbox Value is changed by user or programmatically (includin
...meBoolean(checked);
}
});
Now you only pick up click events and don't have to worry about programmatic changes.
Answer 1:
I have created a wrapper class (see Decorator Pattern) which handles this problem in an encapsulated way:
public class BetterCheckBox extends CheckBox {
p...
How to check whether an array is empty using PHP?
... Done. I also changed it for the fact that you don't have to use isset and stuff.
– Tyler Carter
Feb 7 '10 at 6:35
5
...
Is there a good charting library for iPhone? [closed]
I have a need to render and display charts (bar charts for now, but more types may be needed later) in an iPhone app I'm working on. I've done some looking around and it doesn't look like there are any really good, mature charting libraries for iPhone yet. I've also looked for something written for ...
Remove new lines from string and replace with one empty space
...
$string = trim(preg_replace('/\s\s+/', ' ', $string));
Multiple spaces and newlines are replaced with a single space.
Edit: As others have pointed out, this solution has issues matching single newlines in between words. This is not present in the example, but one can easily see how that situati...
git returns http error 407 from proxy after CONNECT
... is something similar to what rohitmohta is proposing ; in regular DOS command prompt (not on git bash) :
first
git config --global http.proxy http://username:password@proxiURL:proxiPort
and in some cases also
git config --global https.proxy http://username:password@proxiURL:proxiPort
then
g...
How to create a backup of a single table in a postgres database?
...way to create a backup of a single table within a database using postgres? And how? Does this also work with the pg_dump command?
...
What is the right way to check for a null string in Objective-C?
...wing warning: comparison of distinct Objective-C types 'struct NSNull *' and 'struct NSString *' lacks a cast Is there any way of removing this (I dunno if things have changed since this question was asked)?
– thebossman
Dec 2 '10 at 1:40
...
What are these ^M's that keep showing up in my files in emacs?
So I think it may have to do with textmate, but we work in a small team and are having some issues with full-file conflicts of nearly identical files in git because each line of one branch has a ^M appended to it.
...
Getting attributes of a class
...
Try the inspect module. getmembers and the various tests should be helpful.
EDIT:
For example,
class MyClass(object):
a = '12'
b = '34'
def myfunc(self):
return self.a
>>> import inspect
>>> inspect.getmembers(MyClass,...