大约有 45,002 项符合查询结果（耗时：0.0474秒） [XML]
What is the point of function pointers?
I have trouble seeing the utility of function pointers. I guess it may be useful in some cases (they exist, after all), but I can't think of a case where it's better or unavoidable to use a function pointer.
...
How can I open multiple files using “with open” in Python?
I want to change a couple of files at one time, iff I can write to all of them. I'm wondering if I somehow can combine the multiple open calls with the with statement:
...
Change the maximum upload file size
I have a website hosted on a PC I have no access to. I have an upload form allowing people to upload mp3 files up to 30MB big. My server side script is done in PHP.
...
if, elif, else statement issues in Bash
I can't seem to work out what the issue with the following if statement is in regards to the elif and then . Keep in mind the printf is still under development I just haven't been able to test it yet in the statement so is more than likely wrong.
...
HTTPS and SSL3_GET_SERVER_CERTIFICATE:certificate verify failed, CA is OK
... a list of accepted CAs, but no longer bundles ANY CA certs. So by default it'll reject all SSL certificates as unverifiable.
You'll have to get your CA's cert and point curl at it. More details at cURLS's Details on Server SSL Certificates.
...
How to properly ignore exceptions
When you just want to do a try-except without handling the exception, how do you do it in Python?
11 Answers
...
Setting action for back button in navigation controller
I'm trying to overwrite the default action of the back button in a navigation controller. I've provided a target an action on the custom button. The odd thing is when assigning it though the backbutton attribute it doesn't pay attention to them and it just pops the current view and goes back to the...
How can I limit possible inputs in a HTML5 “number” element?
... range. Instead he will be displayed a popup telling him to enter a value within this range upon submitting the form as shown in this screenshot:
share
|
improve this answer
|
...
Newline in string attribute
How can I add a line break to text when it is being set as an attribute i.e.:
13 Answers
...
Uninitialized constant ActiveSupport::Dependencies::Mutex (NameError)
...
This is an incompatibility between Rails 2.3.8 and recent versions of RubyGems. Upgrade to the latest 2.3 version (2.3.11 as of today).
share
|
im...