大约有 44,000 项符合查询结果（耗时：0.0443秒） [XML]
Return all enumerables with yield return at once; without looping through
...numeration, making it possible to do things like...
public IEnumerable<string> ConcatLists(params IEnumerable<string>[] lists)
{
foreach (IEnumerable<string> list in lists)
{
foreach (string s in list)
{
yield return s;
}
}
}
...
Iterate through every file in one directory
...puts path
end
The benefit is that you get a Pathname object instead of a string, that you can do useful stuff with and traverse further.
share
|
improve this answer
|
follo...
Entity Framework is Too Slow. What are my options? [closed]
...timise (using projections) those few queries where you really need use the extra benefit. EF and POCO gives you reasonable default, which is very nice!
– Victor
Jan 16 '14 at 21:49
...
Binary Data in MySQL [closed]
...mysql_select_db("binary_data");
$data = mysql_real_escape_string(fread(fopen($form_data, "r"), filesize($form_data)));
$result = mysql_query("INSERT INTO binary_data (description, bin_data, filename, filesize, filetype) ".
"VALUES...
newline in [duplicate]
...
It displays <br> as text string in Chrome.
– TMa
Apr 27 '15 at 9:56
add a comment
|
...
how to concatenate two dictionaries to create a new one in Python? [duplicate]
...
Unless all keys are known to be strings, option 2 is an abuse of a Python 2 implementation detail (the fact that some builtins implemented in C bypassed the expected checks on keyword arguments). In Python 3 (and in PyPy), option 2 will fail with non-string...
Is the pImpl idiom really used in practice?
...ss, I would consider caution because all those benefits come at a cost: an extra level of indirection is required in order to access the implementation methods.
share
|
improve this answer
...
Get the time difference between two datetimes
...you're really keen on that specific formatting, you'll have to build a new string yourself. A cheap way would be
[diff.asHours(), diff.minutes(), diff.seconds()].join(':')
where var diff = moment.duration(now.diff(then)). This doesn't give you the zero-padding on single digit values. For that, you...
Move (or “Undo”) last git commit to unstaged area [duplicate]
...
git-extras provides a git undo command which is an easier to remember way of doing the same thing (along with a number of other handy extras, as the name implies).
...
Where's my JSON data in my incoming Django request?
...var response = {data:[{"a":1, "b":2},{"a":2, "b":2}]}
json_response = JSON.stringify(response); // proper serialization method, read
// http://ejohn.org/blog/ecmascript-5-strict-mode-json-and-more/
$.post('url',json_response);
In this case you need to use...