大约有 44,000 项符合查询结果(耗时:0.0561秒) [XML]

https://stackoverflow.com/ques... 

How do I put an 'if clause' in an SQL string?

...rder_status = 'COMPLETED' WHERE purchaseOrder_ID = '@purchaseOrder_ID' and not exists (SELECT * FROM itemsOrdered WHERE purchaseOrder_ID = '@purchaseOrdered_ID' AND status = 'PENDING' ) However, I might guess that you are looping at a higher...
https://stackoverflow.com/ques... 

How do I prompt for Yes/No/Cancel input in a Linux shell script?

I want to pause input in a shell script, and prompt the user for choices. The standard Yes , No , or Cancel type question. How do I accomplish this in a typical bash prompt? ...
https://stackoverflow.com/ques... 

Any way to Invoke a private method?

I have a class that uses XML and reflection to return Object s to another class. 7 Answers ...
https://stackoverflow.com/ques... 

Fastest hash for non-cryptographic uses?

... CRC32 is pretty fast and there's a function for it: http://www.php.net/manual/en/function.crc32.php But you should be aware that CRC32 will have more collisions than MD5 or even SHA-1 hashes, simply because of the reduced length (32 bits compare...
https://stackoverflow.com/ques... 

How to convert timestamps to dates in Bash?

I need a shell command or script that converts a Unix timestamp to a date. The input can come either from the first parameter or from stdin, allowing for the following usage patterns: ...
https://stackoverflow.com/ques... 

What is the Scala identifier “implicitly”?

...ave seen a function named implicitly used in Scala examples. What is it, and how is it used? 3 Answers ...
https://stackoverflow.com/ques... 

Casting a variable using a Type variable

... Here is an example of a cast and a convert: using System; public T CastObject<T>(object input) { return (T) input; } public T ConvertObject<T>(object input) { return (T) Convert.ChangeType(input, typeof(T)); } Edit: Some p...
https://stackoverflow.com/ques... 

Run a Docker image as a container

... answered Aug 28 '13 at 21:14 AndyAndy 28.2k44 gold badges3636 silver badges4949 bronze badges ...
https://stackoverflow.com/ques... 

How to Iterate over a Set/HashSet without an Iterator?

...accessing the underlying structure that holds the data through reflection, and replicating the code provided by Set#iterator... – assylias Sep 17 '12 at 8:46 ...
https://stackoverflow.com/ques... 

Merging dictionaries in C#

...ary(group => group.Key, group => group.First()); It's a bit ugly - and inefficient - but it's the quickest way to do it in terms of code. (I haven't tested it, admittedly.) You could write your own ToDictionary2 extension method of course (with a better name, but I don't have time to think ...