大约有 9,900 项符合查询结果（耗时：0.0215秒） [XML]
Learn C first before learning Objective-C [closed]
...but it does have some prerequisites ("You should already know at least one scripting or programming language, including functions, variables and loops. You'll also need to type commands into the Mac OS X Terminal.").
(Just for the record and for context: I learned both at the same time back in 1991...
Speed up the loop operation in R
...r speed gains through more efficient means of calling R:
Compile your R script. Or use the Ra and jit packages in concert for just-in-time compilation (Dirk has an example in this presentation).
Make sure you're using an optimized BLAS. These provide across-the-board speed gains. Honestly, it's...
What do the terms “CPU bound” and “I/O bound” mean?
...he graph.
And here is a C++ version that produces analogous results.
plot script
I don't know enough computer architecture to fully explain the shape of the curve, but one thing is clear: the computation does not become 8x faster as naively expected due to me using all my 8 threads! For some reas...
Why does the C# compiler not fault code where a static method calls an instance method?
...od there during runtime.
The "dynamic" keyword is defined for dynamic and script languages, where the Method can be defined at any time, even during runtime. Crazy stuff
Here a sample which handles ints but no strings, because of the method is on the instance.
class Program {
static void Main...
How to resolve merge conflicts in Git?
... edited Jun 10 '19 at 8:10
Script47
12.4k44 gold badges3636 silver badges5858 bronze badges
answered Aug 4 '10 at 17:04
...
Error message “Forbidden You don't have permission to access / on this server” [closed]
...e right DO NOT ADD Execute permission for files
for instance, I use this script to setup the folders permissions
# setting permissions for /var/www/mysite.com
# read permission ONLY for the owner
chmod -R /var/www/mysite.com 400
# add execute for folders only
find /var/www/mysite.com -type d ...
What are the differences between git remote prune, git prune, git fetch --prune, etc
...
In the event that anyone would be interested. Here's a quick shell script that will remove all local branches that aren't tracked remotely. A word of caution: This will get rid of any branch that isn't tracked remotely regardless of whether it was merged or not.
If you guys see any issues w...
What are the functional differences between NW.js, Brackets-Shell and Electron?
...s - runs on Windows, Mac, and Linux
language support - HTML5, CSS3 and Javascript : since they run javascript you can download and run nearly any library/framework that you want.
The big caveat on webkit is codec support. Typically you will have problems with non-free video codecs, unless you rebu...
How to remove/ignore :hover css style on touch devices
...les using JS
You can remove all the CSS rules containing :hover using Javascript. This has the advantage of not having to touch CSS and being compatible even with older browsers.
function hasTouch() {
return 'ontouchstart' in document.documentElement
|| navigator.maxTouchPoints > 0
...
What are the big improvements between guava and apache equivalent libraries?
... out of luck.
To me, Guava makes Java feel closer to a terse, expressive scripting language, and that's great.
share
|
improve this answer
|
follow
|
...