大约有 40,000 项符合查询结果(耗时:0.0757秒) [XML]

https://stackoverflow.com/ques... 

How to convert a unix timestamp (seconds since epoch) to Ruby DateTime?

...cessary instead of DateTime. So use Time.strptime("1318996912345",'%Q').to_f and you will see the milliseconds preserved, while DateTime.strptime("1318996912345",'%Q').to_f does not preserve it. – skensell Feb 22 '17 at 15:20 ...
https://stackoverflow.com/ques... 

Convert HTML + CSS to PDF [closed]

...ce. Significantly cheaper upfront costs, and usable without needing to install anything: docraptor.com – Joel Meador Jan 11 '11 at 8:31 6 ...
https://stackoverflow.com/ques... 

Where to find extensions installed folder for Google Chrome on Mac?

... You can find all Chrome extensions in below location. /Users/{mac_user}/Library/Application Support/Google/Chrome/Default/Extensions share | ...
https://stackoverflow.com/ques... 

Check if table exists and if it doesn't exist, create it in SQL Server 2008

...read, and you don't have to worry about sys.objects vs. sysobjects vs. sys.all_objects vs. sys.tables. Basic form: IF object_id('MyTable') is not null PRINT 'Present!' ELSE PRINT 'Not accounted for' Of course this will show as "Present" if there is any object present with that name. If yo...
https://stackoverflow.com/ques... 

Hidden Features of Java

...en I first discovered it, never heard of it before. ThreadLocals are typically not so widely known as a way to store per-thread state. Since JDK 1.5 Java has had extremely well implemented and robust concurrency tools beyond just locks, they live in java.util.concurrent and a specifically interest...
https://stackoverflow.com/ques... 

Officially, what is typename for?

On occasion I've seen some really indecipherable error messages spit out by gcc when using templates... Specifically, I've had problems where seemingly correct declarations were causing very strange compile errors that magically went away by prefixing the typename keyword to the beginning of the...
https://stackoverflow.com/ques... 

The input is not a valid Base-64 string as it contains a non-base 64 character

...nes. But is this a concrete solution ? i mean how can i guarantee that for all the files this will be the character to be replaced ? – Rohit Verma Feb 27 '13 at 14:52 ...
https://stackoverflow.com/ques... 

How do I send a POST request with PHP?

Actually I want to read the contents that come after the search query, when it is done. The problem is that the URL only accepts POST methods, and it does not take any action with GET method... ...
https://stackoverflow.com/ques... 

Convert Elixir string to integer or float

...er directly. If you want to do that, see @Szymon Jeż answer with String.to_integer/1 – user4275029 Sep 26 '16 at 12:27 6 ...
https://stackoverflow.com/ques... 

Python: How to create a unique file name?

... I didn't think your question was very clear, but if all you need is a unique file name... import uuid unique_filename = str(uuid.uuid4()) share | improve this answer ...