大约有 23,000 项符合查询结果（耗时：0.0417秒） [XML]
Can I add jars to maven 2 build classpath without installing them?
...
64
You may create local repository on your project
For example if you have libs folder in project...
Is there a performance impact when calling ToList()?
...collection contains say 33 elements the list will end up using an array of 64 elements wasting some memory.
In your case the source collection is an array which implements ICollection<T> so the performance impact is not something you should be concerned about unless your source array is very...
Fastest way to replace NAs in a large data.table
...rror: cannot allocate vector of size 305.2 Mb
Timing stopped at: 14.541 7.764 68.285
system.time(f_dowle(dt1))
user system elapsed
7.452 4.144 19.590 # EDIT has faster than this
identical(a_gdata, dt1)
[1] TRUE
Note that f_dowle updated dt1 by reference. If a local copy is requir...
Finding quaternion representing the rotation from one vector to another
...
64
Half-Way Vector Solution
I came up with the solution that I believe Imbrondir was trying to pr...
Is this a “good enough” random algorithm; why isn't it used if it's faster?
...xx: 7273 :
0.4xxx: 5643 :
0.5xxx: 4608 :
0.6xxx: 3907 :
0.7xxx: 3350 : ...
What are the differences between json and simplejson Python modules?
...implejson(SIMPLE_DATA)
And the results on my system (Python 2.7.4, Linux 64-bit):
Complex real world data:
json dumps 1.56666707993 seconds
simplejson dumps 2.25638604164 seconds
json loads 2.71256899834 seconds
simplejson loads 1.29233884811 seconds
Simple data:
...
Static link of shared library function in gcc
... of the binary you want make portable, for example: nmap
./cde_2011-08-15_64bit nmap
The program will read all of libs linked to nmap and its dependencias and it will save all of them in a folder called cde-package/ (in the same directory that you are).
Finally, you can compress the folder and ...
Implicit type conversion rules in C++ operators
... bits for IEEE-754) for a 32-bit int, so there might be some data loss. A 64-bit double should be just fine.
– Mark Ransom
Jun 2 at 13:55
add a comment
| ...
Why should I care about lightweight vs. annotated tags?
...
CascabelCascabel
398k6464 gold badges352352 silver badges307307 bronze badges
...
Convert PDF to clean SVG? [closed]
...md Batch File Script references
Hidden features of Windows batch files
SS64.com - Index of the Windows CMD command line
Why is the FOR /f loop in this batch script evaluating a blank line?
XML tag/attribute replacement research
How can you find and replace text in a file using the Windows comm...