大约有 12,100 项符合查询结果(耗时:0.0413秒) [XML]

https://stackoverflow.com/ques... 

Ruby on Rails: How do you add add zeros in front of a number if it's under 10?

...t an integer (d) taking up at least 2 characters (2) and left-padding with zeros instead of spaces (0). share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

MySQL DISTINCT on a GROUP_CONCAT()

... 301k6666 gold badges475475 silver badges424424 bronze badges answered Jun 21 '10 at 9:41 NaktibaldaNaktibalda 11.5k55 gold badges...
https://stackoverflow.com/ques... 

Method to Add new or update existing item in Dictionary

... 146k1818 gold badges264264 silver badges377377 bronze badges answered Nov 22 '10 at 11:50 ulrichbulrichb 17.7k66 gold badges6666 ...
https://stackoverflow.com/ques... 

Android: create a popup that has multiple selection options

... answered May 5 '13 at 22:07 zbrzbr 6,26833 gold badges2727 silver badges4141 bronze badges ...
https://stackoverflow.com/ques... 

Find rows with multiple duplicate fields with Active Record, Rails & Postgres

...but handy. If you want to see how times each combination was found, put .size at the end: User.select(:first,:email).group(:first,:email).having("count(*) > 1").size and you'll get a result set back that looks like this: {[nil, nil]=>512, ["Joe", "test@test.com"]=>23, ["Jim", "email2@...
https://stackoverflow.com/ques... 

Is it possible to execute code once before all tests run?

... FWIW, you can use the AssemblyInitialize attribute to run code before all unit tests in an assembly executes: [TestClass] public class SetupAssemblyInitializer { [AssemblyInitialize] public static void AssemblyInit(TestContext context) { // I...
https://stackoverflow.com/ques... 

How do I use FileSystemObject in VBA?

...earns 10.6k22 gold badges3535 silver badges4040 bronze badges ...
https://stackoverflow.com/ques... 

Escaping keyword-like column names in Postgres

... 399k6969 gold badges612612 silver badges695695 bronze badges answered Oct 4 '11 at 17:00 NPENPE 416k8181 gold badges858858 silver...
https://stackoverflow.com/ques... 

How to convert comma-delimited string to list in Python?

...son 32.1k1010 gold badges5757 silver badges6969 bronze badges 4 ...
https://stackoverflow.com/ques... 

How to get position of a certain element in strings vector, to use it as an index in ints vector?

...), old_name_) - Names.begin(); Now you need to check pos against Names.size() to see if it is out of bounds or not: if(pos >= Names.size()) { //old_name_ not found } vector iterators behave in ways similar to array pointers; most of what you know about pointer arithmetic can be applied t...