大约有 41,000 项符合查询结果（耗时：0.0712秒） [XML]
converting a base 64 string to an image and saving it
...ith image.Save(...).
public Image LoadImage()
{
//data:image/gif;base64,
//this image is a single pixel (black)
byte[] bytes = Convert.FromBase64String("R0lGODlhAQABAIAAAAAAAAAAACH5BAAAAAAALAAAAAABAAEAAAICTAEAOw==");
Image image;
using (MemoryStream ms = new MemoryStream(bytes)...
Should private helper methods be static if they can be static
...Luontola
70.3k1313 gold badges106106 silver badges124124 bronze badges
2
...
How can I implement a tree in Python?
...
249
anytree
I recommend https://pypi.python.org/pypi/anytree (I am the author)
Example
from anytree...
Swift performSelector:withObject:afterDelay: is unavailable [duplicate]
...
Swift 4
DispatchQueue.main.asyncAfter(deadline: .now() + 0.1) {
// your function here
}
Swift 3
DispatchQueue.main.asyncAfter(deadline: .now() + .seconds(0.1)) {
// your function here
}
Swift 2
let dispatchTime: disp...
Why is the tag deprecated in HTML?
...
234
The <center> element was deprecated because it defines the presentation of its contents ...
How to make a node.js application run permanently?
... |
edited Mar 1 '18 at 14:39
Ionut Necula
9,81744 gold badges3232 silver badges6060 bronze badges
answ...
Change IPython/Jupyter notebook working directory
...|
edited Feb 11 '18 at 16:49
Brad Solomon
25.2k1414 gold badges8989 silver badges148148 bronze badges
an...
Java Keytool error after importing certificate , “keytool error: java.io.FileNotFoundException & Acc
... |
edited May 2 '18 at 5:47
Afshar
19222 silver badges99 bronze badges
answered Jul 5 '12 at 17:58
...
How do you tell if caps lock is on using JavaScript?
...e.shiftKey;
} else if (e.modifiers) {
shifton = !!(e.modifiers & 4);
}
if (charCode >= 97 && charCode <= 122 && shifton) {
return true;
}
if (charCode >= 65 && charCode <= 90 && !shifton) {
return true;
}
return false;
}
F...
R memory management / cannot allocate vector of size n Mb
...ate the object you need in one session.
If the above cannot help, get a 64-bit machine with as much RAM as you can afford, and install 64-bit R.
If you cannot do that there are many online services for remote computing.
If you cannot do that the memory-mapping tools like package ff (or bigmemo...