大约有 40,000 项符合查询结果（耗时：0.0406秒） [XML]
How to update Python?
I have version 2.7 installed from early 2012. I can't find any consensus on whether I should completely uninstall and wipe this version before putting on the latest version.
...
Can jQuery provide the tag name?
...Name.toLowerCase(), as most DOM representations of HTML documents automatically uppercase the nodeName.
– NickFitz
Oct 7 '09 at 15:27
...
Why split the tag when writing it with document.write()?
...lt;script> and/or </script> tags up within document.write() calls?
5 Answers
...
Reading an Excel file in PHP [closed]
... to make it compatible with recent PHP 5 versions: pastebin.com/YNUZANcs All credits go to the original developers.
– Lars Gyrup Brink Nielsen
Sep 9 '13 at 13:32
...
What is an idiomatic way of representing enums in Go?
...
great examples (I did not recall the exact iota behaviour - when it is incremented - from the spec). Personally I like to give a type to an enum, so it can be type-checked when used as argument, field, etc.
– mna
Ja...
what is the difference between 'transform' and 'fit_transform' in sklearn
...is meant for when you have already computed PCA, i.e. if you have already called its .fit method.
In [12]: pc2 = RandomizedPCA(n_components=3)
In [13]: pc2.transform(X) # can't transform because it does not know how to do it.
-------------------------------------------------------------------------...
How do I show a Save As dialog in WPF?
...alog dialog = new SaveFileDialog()
{
Filter = "Text Files(*.txt)|*.txt|All(*.*)|*"
};
if (dialog.ShowDialog() == true)
{
File.WriteAllText(dialog.FileName, fileText);
}
share
|
improve th...
Java Security: Illegal key size or default parameters?
...
Most likely you don't have the unlimited strength file installed now.
You may need to download this file:
Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy Files 6
Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy Files 7 Download
Ja...
Rails layouts per action?
...th this is that you cannot access objects such as current_user to conditionally determine the layout
– Andrew K
Dec 14 '14 at 5:25
...
Python: Using .format() on a Unicode-escaped string
...gt; print s
≥
>>> print "{0}".format(s)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
UnicodeEncodeError: 'ascii' codec can't encode character u'\u2265' in position 0: ordinal not in range(128)
>>> print u"{0}".format(s)
≥
>>>
...