大约有 45,000 项符合查询结果（耗时：0.0721秒） [XML]
Override browser form-filling and input highlighting with HTML/CSS
I have 2 basic forms -- sign in and sign up, both on the same page. Now, I have no problem with the sign in form auto-filling, but the sign up form auto fills as well, and I don't like it.
...
How to randomly select rows in SQL?
...problem where you are working with a large result set (not the question I know).
Selecting Rows Randomly from a Large Table
http://msdn.microsoft.com/en-us/library/cc441928.aspx
share
|
improve thi...
How to sort by two fields in Java?
...;
return x1.compareTo(x2);
}});
}
List<Persons> is now sorted by name, then by age.
String.compareTo "Compares two strings lexicographically" - from the docs.
Collections.sort is a static method in the native Collections library. It does the actual sorting, you just need to...
Generating PDF files with JavaScript
...uestion before I started writing it and thought I'd come back and let you know :)
Generate PDFs in Javascript
Example create a "Hello World" PDF file.
// Default export is a4 paper, portrait, using milimeters for units
var doc = new jsPDF()
doc.text('Hello world!', 10, 10)
doc.save('a4.p...
How do I read an entire file into a std::string in C++?
...t copies is to do the reading manually in a loop, unfortunately. Since C++ now has guaranteed contiguous strings, one could write the following (≥C++14):
auto read_file(std::string_view path) -> std::string {
constexpr auto read_size = std::size_t{4096};
auto stream = std::ifstream{pat...
How do you automatically resize columns in a DataGridView control AND allow the user to resize the c
...id.AllowUserToOrderColumns = true;
grid.AllowUserToResizeColumns = true;
Now the column widths can be changed and the columns can be rearranged by the user. That works pretty well for me.
Maybe that will work for you.
sha...
How to round up to the nearest 10 (or 100 or X)?
...
The above doesn't work when x is a vector - too late in the evening right now :)
> roundUpNice(0.0322)
[1] 0.04
> roundUpNice(3.22)
[1] 4
> roundUpNice(32.2)
[1] 40
> roundUpNice(42.2)
[1] 50
> roundUpNice(422.2)
[1] 500
[[EDIT]]
If the question is how to round to a specified nea...
Get number of digits with JavaScript
As the title of my post suggests, I would like to know how many digits var number has. For example: If number = 15; my function should return 2 . Currently, it looks like this:
...
Sql Server string to date conversion
... aware of Oracle's TO_DATE function, as shown in his sample. He wanted to know if there was a way of converting dates-as-strings without having to know the string's format/structure. SQL does not do that, and it certainly appears that Oracle's TO_DATE doesn't do it either.
– Ph...
Changing user agent on urllib2.urlopen
...n would just do urllib.urlopen(req) fine but either way, this works and I know how to use it in python 3 now.
– jamescampbell
May 31 '15 at 0:37
...