大约有 47,000 项符合查询结果(耗时:0.0366秒) [XML]

https://stackoverflow.com/ques... 

How to create a SQL Server function to “join” multiple rows from a subquery into a single delimited

... Note that Matt's code will result in an extra comma at the end of the string; using COALESCE (or ISNULL for that matter) as shown in the link in Lance's post uses a similar method but doesn't leave you with an extra comma to remove. For the sake of completeness, here's the relevant code from L...
https://stackoverflow.com/ques... 

How to configure socket connect timeout

... timeout.</param> public static void Connect(this Socket socket, string host, int port, TimeSpan timeout) { AsyncConnect(socket, (s, a, o) => s.BeginConnect(host, port, a, o), timeout); } /// <summary> /// Connects the specified socket. /// </summar...
https://stackoverflow.com/ques... 

How can you check which options vim was compiled with?

...ursorshape +dialog_con +diff +digraphs -dnd -ebcdic -emacs_tags +eval +ex_extra +extra_search -farsi +file_in_path +find_in_path +float +folding -footer +fork() -gettext -hangul_input +iconv +insert_expand +jumplist -keymap -langmap +libcall +linebreak +lispindent +listcmds +localmap -lua +menu ...
https://stackoverflow.com/ques... 

PendingIntent does not send Intent extras

... Following code should work:- int icon = R.drawable.icon; String message = "hello"; long when = System.currentTimeMillis(); NotificationManager notificationManager = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE); Notification notification = new Notific...
https://stackoverflow.com/ques... 

MongoDB mongorestore failure: locale::facet::_S_create_c_locale name not valid

...n you can instead use: export LC_ALL=C.UTF-8 which will not require any extra locale data. share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Multiple aggregations of the same column using pandas GroupBy.agg()

...what the arguments are. As usual, the aggregation can be a callable or a string alias. You can now pass a tuple via keyword arguments. The tuples follow the format of (<colName>, <aggFunc>). import pandas as pd pd.__version__ ...
https://stackoverflow.com/ques... 

Why do people say that Ruby is slow? [closed]

... always an issue if it impacts usability. True, scanning an xml file for a string in one second or three doesn't matter from a pure numbers point of view, but a couple seconds difference can make a big difference in usability when you're talking about a user-facing application. ...
https://stackoverflow.com/ques... 

Understanding CUDA grid dimensions, block dimensions and threads organization (simple explanation) [

...until cores become free. In your example you can use 6 blocks and have the extra threads do nothing(2/3 of the threads on the 6th block). – Aliza Nov 15 '11 at 12:59 ...
https://stackoverflow.com/ques... 

Is Java really slow?

...on Java still has a bad reputation, especially server-side. This makes the String problems exponentially worse. Some simple mistakes are common: objects are often used in place of primitives, reducing performance and increasing memory use. Many Java libraries (including the standard ones) will creat...
https://stackoverflow.com/ques... 

MySQL - Rows to Columns

...le of years late, I had to use MAX instead of SUM because my itemValue are strings, not numerical values. – Merricat Jun 17 at 17:55 add a comment  |  ...