大约有 45,000 项符合查询结果(耗时:0.0480秒) [XML]
How do you remove duplicates from a list whilst preserving order?
...n that removes duplicates from list in Python, whilst preserving order? I know that I can use a set to remove duplicates, but that destroys the original order. I also know that I can roll my own like this:
...
Is Big O(logn) log base e?
...then just end up with an analysis that has log_pi 2 * log_pi n everywhere. Now my analysis is in terms of log_pi n.
– jason
Oct 15 '09 at 1:49
|
...
How to Generate unique file names in C#
... exists), I fall back to GUIDs.
Update:
Recently, I've also use DateTime.Now.Ticks instead of GUIDs:
var myUniqueFileName = string.Format(@"{0}.txt", DateTime.Now.Ticks);
or
var myUniqueFileName = $@"{DateTime.Now.Ticks}.txt";
The benefit to me is that this generates a shorter and "nicer loo...
What exactly does git's “rebase --preserve-merges” do (and why?)
...we'll take its (their) descendants and replay them on top of new parents
Now we can define C, the set of commits to replay. In particular, it's those commits:
1) reachable from B but not A (as in a normal rebase), and ALSO
2) descendants of the merge base(s)
If we ignore cherry-picks and...
How to export data as CSV format from SQL Server using sqlcmd?
...
This answer is now outdated. PowerShell scripts are more flexible and can be run in SQL Server as a Job Agent.
– Clinton Ward
May 24 '16 at 2:45
...
Unable to verify leaf signature
...
I have this problem right now at work. I submitted an IT ticket telling them SSL may be misconfigured -- they told me I was craZY. Is there any more information I can give them to resolve this issue?
– blakev
Nov...
Gson: Directly convert String to JsonObject (no POJO)
...tempting JSON tree manipulation in GSON, but I have a case where I do not know or have a POJO to convert a string into, prior to converting to JsonObject . Is there a way to go directly from a String to JsonObject ?
...
How do you include additional files using VS2010 web deployment packages?
...dsOn>
</PropertyGroup>
This will add our target to the process, now we need to define the target itself. Let’s assume that you have a folder named Extra Files that sits 1 level above your web project. You want to include all of those files. Here is the CustomCollectFiles target and we d...
Virtual Memory Usage from Java under Linux, too much memory used
...te segment that contains global per-process data for the library (I don't know what the segment with no permissions is; I've only seen it on x64 Linux). The read-only portion of the library can be shared between all processes that use the library; for example, libc has 1.5M of virtual memory space t...
SQL Server Installation - What is the Installation Media Folder?
...
I ran into this just now with SQL Server 2014 SP1. The installer gave me the exact same problem and I followed suggestions from other answers to this question, but it got me nowhere.
In the end I figured out that I needed to download and install...