大约有 46,000 项符合查询结果（耗时：0.0652秒） [XML]
How can I get a list of locally installed Python modules?
...is solution applies to the system scope or to a virtual environment scope, and covers packages installed by setuptools, pip and (god forbid) easy_install.
My use case
I added the result of this call to my flask server, so when I call it with http://example.com/exampleServer/environment I get the l...
Virtualbox “port forward” from Guest to Host [closed]
...
Network communication Host -> Guest
Connect to the Guest and find out the ip address:
ifconfig
example of result (ip address is 10.0.2.15):
eth0 Link encap:Ethernet HWaddr 08:00:27:AE:36:99
inet addr:10.0.2.15 Bcast:10.0.2.255 Mask:255.255.255.0
Go to Vbox inst...
How do you know when to use fold-left and when to use fold-right?
I'm aware that fold-left produces left-leaning trees and fold-right produces right-leaning trees, but when I reach for a fold, I sometimes find myself getting bogged down in headache-inducing thought trying to determine which kind of fold is appropriate. I usually end up unwinding the entire proble...
What does “Auto packing the repository for optimum performance” mean?
...I get this message: "Auto packing the repository for optimum performance", and it does not seem to go away and return the shell.
...
Best way to parse RSS/Atom feeds with PHP [closed]
...r Atom feed isn't well formed. Are there any other options for parsing RSS and Atom feeds with PHP?
10 Answers
...
HTML5 Email Validation
...your email">
<input type="submit" value="Submit">
</form>
And when the user press submit, it automatically shows an error message like:
share
|
improve this answer
|
...
Mercurial move changes to a new branch
...evisions 1-2 on a named branch, let's say my-feature. Update to revision 0 and create that branch:
$ hg up 0
$ hg branch my-feature
$ hg ci -m "start new branch my-feature"
The history now looks like this:
@ changeset: 3:b5939750b911
| branch: my-feature
| tag: tip
| parent: ...
How to get first character of string?
I have a string, and I need to get its first character.
16 Answers
16
...
What is the difference between Reader and InputStream?
What is the difference between Reader and InputStream?
And when to use what?
If I can use Reader for reading characters why I will use inputstream, I guess to read objects?
...
sqlalchemy flush() and get inserted id?
...re populated immediately within the flush() process as they are generated, and no call to commit() should be required. So the answer here lies in one or more of the following:
The details of your mapping
If there are any odd quirks of the backend in use (such as, SQLite doesn't generate integer v...