大约有 8,130 项符合查询结果(耗时:0.0229秒) [XML]

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When is a function too long? [closed]

... lines, 55 lines, 100 lines, 300 lines? When you should start to break it apart? I'm asking because I have a function with 60 lines (including comments) and was thinking about breaking it apart. ...
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Store query result in a variable using in PL/pgSQL

How to assign the result of a query to a variable in PL/pgSQL, the procedural language of PostgreSQL? 5 Answers ...
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How to suppress Update Links warning?

I'm trying to write a script that opens many Excel files. I keep getting the prompt: 7 Answers ...
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Is there a performance difference between a for loop and a for-each loop?

What, if any, is the performance difference between the following two loops? 16 Answers ...
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Is the practice of returning a C++ reference variable evil?

This is a little subjective I think; I'm not sure if the opinion will be unanimous (I've seen a lot of code snippets where references are returned). ...
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How do I determine whether my calculation of pi is accurate?

I was trying various methods to implement a program that gives the digits of pi sequentially. I tried the Taylor series method, but it proved to converge extremely slowly (when I compared my result with the online values after some time). Anyway, I am trying better algorithms. ...
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Convert Rows to columns using 'Pivot' in SQL Server

I have read the stuff on MS pivot tables and I am still having problems getting this correct. 8 Answers ...
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Preview layout with merge root tag in Intellij IDEA/Android Studio

Let's imagine we are developing compound component based on LinearLayout. So, we create class like this: 3 Answers ...
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How can I find where I will be redirected using cURL?

...t quite get it to work right. I have a string that I want to send as a GET param to a server and get the resulting URL. 7 A...
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Linux/Unix command to determine if process is running?

I need a platform independent (Linux/Unix|OSX) shell/bash command that will determine if a specific process is running. e.g. mysqld , httpd ... What is the simplest way/command to do this? ...