大约有 23,000 项符合查询结果（耗时：0.0371秒） [XML]
Given a URL to a text file, what is the simplest way to read the contents of the text file?
... = urllib2.urlopen("http://www.google.com").read(20000) # read only 20 000 chars
data = data.split("\n") # then split it into lines
for line in data:
print line
* Second example in Python 3:
import urllib.request # the lib that handles the url stuff
for line in urllib.request.urlopen(t...
How to force use of overflow menu on devices with menu button
... android:showAsAction="never"
android:title="@string/overflow_item1_title"/>
<item
android:id="@+id/menu_overflow_item2"
android:showAsAction="never"
android:title="@string/overflow_item2_title"/>
...
Access lapply index names inside FUN
...vector instead of the vector itself.
But note that you can always pass in extra arguments to the function, so the following works:
x <- list(a=11,b=12,c=13) # Changed to list to address concerns in commments
lapply(seq_along(x), function(y, n, i) { paste(n[[i]], y[[i]]) }, y=x, n=names(x))
He...
How to detect if a function is called as constructor?
...ert(isConstructor);
}
Obviously this is not ideal, since you now have an extra useless property on every object constructed by x that could be overwritten, but I think it's the best you can do.
(*) "instance of" is an inaccurate term but is close enough, and more concise than "object that has bee...
Can someone explain mappedBy in JPA and Hibernate?
... at any side of mapping but perform at only one side .
It will remove the extra column of foreign key constraint on the table on which class it is applied.
For eg . If we apply mapped by in Employee class on employee object then foreign key from Employee table will be removed.
...
How do you get a list of the names of all files present in a directory in Node.js?
...s was the best solution for me as i wanted to specify filetype easier than string comparisons. Thanks.
– Pogrindis
Oct 26 '14 at 20:09
...
What is cardinality in MySQL?
...m Percona:
CREATE TABLE `antest` (
`i` int(10) unsigned NOT NULL,
`c` char(80) default NULL,
KEY `i` (`i`),
KEY `c` (`c`,`i`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
mysql> select count(distinct c) from antest;
+-------------------+
| count(distinct c) |
+-------------------+
| ...
What is a reasonable code coverage % for unit tests (and why)? [closed]
...00% test coverage of all the functionality I want to provide (even for the extra cool features I came with myself and which were not discussed during the meetings).
I don't care if I would have code which is not covered in tests, but I would care if I would refactor my code and end up having a diff...
Why is Git better than Subversion?
... ways to copy the repo). With Git, that's the default mode anyway. It's an extra command though (git commit commits locally, whereas git push origin master pushes the master branch to the remote named "origin").
As said above: Git adds complexity. Two modes of creating repositories, checkout vs. cl...
How can I run a PHP script in the background after a form is submitted?
...y notification process that happens (or doesn't). (shell_exec returns as a string and this was easier than using exec, assigning the output to a variable and then opening a file to write to.)
I'm using the following line to invoke the email script:
shell_exec("/path/to/php /path/to/send_notificati...