大约有 44,000 项符合查询结果（耗时：0.0518秒） [XML]
Recursive directory listing in DOS
...ou can use:
dir /s
If you need the list without all the header/footer information try this:
dir /s /b
(For sure this will work for DOS 6 and later; might have worked prior to that, but I can't recall.)
share
|...
connecting to MySQL from the command line
...history and process tables. If you leave out the password it will ask you for it.
– dj_segfault
Feb 27 '11 at 7:16
@M...
Convert UNIX epoch to Date object
I'm plotting and performing calculations on uniformly distributed time series. The timestamps are currently stored as integers representing the number of seconds since the UNIX epoch (e.g. 1352068320 ), but Date objects seem more appropriate for plotting. How can I do the conversion?
...
Entity Framework: table without primary key
...e introduced is staggering and scary, not to mention the fact that your performance will likely go down the tubes.
Don't work around this. Fix your data model.
EDIT: I've seen that a number of people are downvoting this question. That's fine, I suppose, but keep in mind that the OP asked about m...
How do you get the width and height of a multi-dimensional array?
...
.Rank for the number of dimensions. In the case this is 2, .GetLength(0) for the number of rows, .GetLength(1) for the number of columns.
– Colonel Panic
Nov 27 '12 at 11:53
...
LINQ - Convert List to Dictionary with Value as List
... ILookup is often the ideal in-code structure, it often isn't handled well for serialization.
– Jeff B
Jul 13 at 15:35
add a comment
|
...
In Clojure, when should I use a vector over a list, and the other way around?
...at Vectors are not seqs, but Lists are. I'm not sure what the rationale is for using one over the other. It seems that vectors are used the most, but is there a reason for that?
...
How do I get a human-readable file size in bytes abbreviation using .NET?
... to read if you are not familiar with log maths, and should be fast enough for most scenarios.
string[] sizes = { "B", "KB", "MB", "GB", "TB" };
double len = new FileInfo(filename).Length;
int order = 0;
while (len >= 1024 && order < sizes.Length - 1) {
order++;
len = len/1024...
What is choice_set in this Django app tutorial?
...
You created a foreign key on Choice which relates each one to a Question.
So, each Choice explicitly has a question field, which you declared in the model.
Django's ORM follows the relationship backwards from Question too, automatically ...
SQL function as default parameter value?
...
Default value for stored procedures parameter have to be constants.
You'd need to do the following...
ALTER Procedure [dbo].[my_sp]
@currentDate datetime = null
AS
IF @currentDate is null
SET @currentDate = getdate()
...