大约有 45,000 项符合查询结果（耗时：0.0723秒） [XML]
Self-references in object literals / initializers
...
Now in ES6 you can create lazy cached properties. On first use the property evaluates once to become a normal static property. Result: The second time the math function overhead is skipped.
The magic is in the getter.
cons...
How to insert values into C# Dictionary on instantiation?
Does anyone know if there is a way I can insert values into a C# Dictionary when I create it? I can, but don't want to, do
dict.Add(int, "string") for each item if there is something more efficient like:
...
Can I convert a C# string value to an escaped string literal
...
Nice. Change enclosing quotes to ' and now you have what Python gives you out of the box with repr(a_string) :).
– z33k
Nov 7 '19 at 12:14
How do I “undo” a --single-branch clone?
...'t readily have a command to accomplish this. Yeah I got it working... and now I know about the config file int he .git directory too!
– kashiraja
May 12 '18 at 0:11
...
Where does Visual Studio look for C++ header files?
...about what the kind of curiosity I had: I found that the MSDN didn't even knows it's own header names! I.e. they referred to Iphlpapi.h, but such a file not exist, it's name is rather iphlpapi.h, either IPHlpApi.h(both are there)! lol
– Hi-Angel
Sep 3 '14 at 8:...
Can you remove elements from a std::list while iterating through it?
... Actually, that's not guaranteed to work. With "erase(i++);", we only know that the pre-incremented value is passed to erase(), and the i is incremented before the semi-colon, not necessarily before the call to erase(). "iterator prev = i++; erase(prev);" is sure to work, as is use the return v...
For every character in string
... Well, OK, it has no encoding, however given the ubiquity of utf8 now (especially on the web) and the fact that one might want a single consistent encoding throughout a pipeline or application, for the basis of this discussion my std::strings are all utf8 :p.
– Robinso...
Rails: call another controller action from a controller
...
I know I should not do that, but this is not part of my application it's just for testing and evaluating my application.
– ddayan
Apr 24 '11 at 22:37
...
Export/import jobs in Jenkins
...nkinsCI landscape has changed a lot... I've been using Job DSL for a while now.
We have a SEED Job that generates the rest of the jobs.
This helps us both recreate or move for the Jenkins server whenever needed :)
You could also version those files for even more maintainability!
...
What are the differences between ArrayList and Vector?
...t personal experience from clunking aroun huge arrays. Over three years on now, I can't point you to exactly what I was talking about but there are plenty of benchmarks out there. It's not until threading where you see the biggest jumps but here's one: javacodegeeks.com/2010/08/…
...