大约有 46,000 项符合查询结果（耗时：0.0504秒） [XML]
How can I measure the actual memory usage of an application or process?
...r example, Valgrind can give you insights about the amount of memory used, and, more importantly, about possible memory leaks in your program. The heap profiler tool of Valgrind is called 'massif':
Massif is a heap profiler. It performs detailed heap profiling by taking regular snapshots of a prog...
Why are dashes preferred for CSS selectors / HTML attributes?
In the past I've always used underscores for defining class and id attributes in HTML. Over the last few years I changed over to dashes, mostly to align myself with the trend in the community , not necessarily because it made sense to me.
...
How does the ARM architecture differ from x86? [closed]
...instructions operate only on registers with a few instructions for loading and saving data from / to memory while x86 can operate directly on memory as well. Up until v8 ARM was a native 32 bit architecture, favoring four byte operations over others.
So ARM is a simpler architecture, leading to sma...
Apply .gitignore on an existing repository already tracking large number of files
...ject in my repository. I recently added a .gitignore file under my project and I assume that tells Git to ignore the files listed in the file.
...
Installing R with Homebrew
I'm trying to install R using Homebrew. I ran these commands which are recommended elsewhere on SO:
12 Answers
...
How to view files in binary from bash?
...he contents of a file in the current directory, but in binary from the command line. How can I achieve this?
11 Answers
...
What do 'real', 'user' and 'sys' mean in the output of time(1)?
What do 'real', 'user' and 'sys' mean in the output of time?
6 Answers
6
...
How to get the name of enumeration value in Swift?
...
As of Xcode 7 beta 5 (Swift version 2) you can now print type names and enum cases by default using print(_:), or convert to String using String's init(_:) initializer or string interpolation syntax. So for your example:
enum City: Int {
case Melbourne = 1, Chelyabinsk, Bursa
}
let city ...
Intelligent point label placement in R
...ints (or other objects in the plot, but I see that this is much harder to handle).
7 Answers
...
How to use NSURLConnection to connect with SSL for an untrusted cert?
... Thanks a lot, it works perfectly. Just remove the the two ifs and keep only the useCendential part in the didReceiveAuthentificationChallenge callback if you want to accept any https site.
– yonel
Jan 27 '10 at 10:40
...