大约有 42,000 项符合查询结果（耗时：0.0492秒） [XML]
Simple Pivot Table to Count Unique Values
This seems like a simple Pivot Table to learn with. I would like to do a count of unique values for a particular value I'm grouping on.
...
What are the pros and cons of performing calculations in sql vs. in your application
...
It depends on a lot of factors - but most crucially:
complexity of calculations (prefer doing complex crunching on an app-server, since that scales out; rather than a db server, which scales up)
volume of data (if you need to access/aggregate a lot ...
How can I make Jenkins CI with Git trigger on pushes to master?
I'm trying to set up Jenkins-ci for a project using GitHub. I've already set up Jenkins with the appropriate plugins. I want Jenkins to run build scripts only whenever someone on the project pushes to master. So far I've been able to set it up so that a build will be triggered anytime anyone pushes ...
Converting newline formatting from Mac to Windows
...version utility/script that will convert a .sql dump file generated on Mac to one readable on Windows. This is a continuation of a problem I had here . The issue seems to be with newline formatting in text files, but I can't find a tool to make the conversion...
...
What is the recommended way to delete a large number of items from DynamoDB?
...
What I ideally want to do is call LogTable.DeleteItem(user_id) -
Without supplying the range, and have it delete everything for me.
An understandable request indeed; I can imagine advanced operations like these might get added over time by t...
Why do I need to do `--set-upstream` all the time?
...oesn't depend on remembering the syntax for git branch --set-upstream 1 is to do:
git push -u origin my_branch
... the first time that you push that branch. Or, to push to the current branch to a branch of the same name (handy for an alias):
git push -u origin HEAD
You only need to use -u once...
.NET obfuscation tools/strategy [closed]
... was essential: decompiling code was easy, and you could go from assembly, to IL, to C# code and have it compiled again with very little effort.
Now with .Net 3.5 I'm not at all sure. Try decompiling a 3.5 assembly; what you get is a long long way from compiling.
Add the optimisations from 3.5 (f...
Enabling WiFi on Android Emulator
How to enable WiFi on Android emulator? I have tried to find this but everyone is confusing WiFi with 3G.
6 Answers
...
Best practices/guidance for maintaining assembly version numbers
I'm looking for pointers, suggestions, and even dictation on how to manage the three different assembly version numbers for a .NET assembly. The Product version is the simplest, as this seems would normally be dictated by business. Then, the file version seems to be for versioning between deploym...
How to export data as CSV format from SQL Server using sqlcmd?
I can quite easily dump data into a text file such as:
11 Answers
11
...