大约有 42,000 项符合查询结果（耗时：0.0602秒） [XML]
Specifying and saving a figure with exact size in pixels
...'myfig.png', dpi=1000)
Note that I used the figure dpi of 100 to fit in most screens, but saved with dpi=1000 to achieve the required resolution. In my system this produces a png with 3840x7190 pixels -- it seems that the DPI saved is always 0.02 pixels/inch smaller than the selected value, which ...
return statement vs exit() in main()
...e destroyed. Often this has no implications, but sometimes it does, like closing files (surely you want all your data flushed to disk?).
Note that static objects will be cleaned up even if you call exit(). Finally note, that if you use abort(), no objects will be destroyed. That is, no global objec...
Why does the 260 character path length limit exist in Windows?
...
Quoting this article https://docs.microsoft.com/en-us/windows/desktop/FileIO/naming-a-file#maximum-path-length-limitation
Maximum Path Length Limitation
In the Windows API (with some exceptions discussed in the following paragraphs), the maximum length f...
What is the difference between varchar and nvarchar?
...ses only ASCII, I would still recommend using Unicode in the database. The OS and database collation algorithms will work better with Unicode. Unicode avoids conversion problems when interfacing with other systems. And you will be preparing for the future. And you can always validate that your data ...
What is the best way to deal with the NSDateFormatter locale “feechur”?
...Formatter (Locale)
- (id)initWithSafeLocale {
static NSLocale* en_US_POSIX = nil;
self = [self init];
if (en_US_POSIX == nil) {
en_US_POSIX = [[NSLocale alloc] initWithLocaleIdentifier:@"en_US_POSIX"];
}
[self setLocale:en_US_POSIX];
return self;
}
@end
...
Importing from builtin library when module with same name exists
...ython >= 3.5:
import importlib.util
import sys
# For illustrative purposes.
import tokenize
file_path = tokenize.__file__ # returns "/path/to/tokenize.py"
module_name = tokenize.__name__ # returns "tokenize"
spec = importlib.util.spec_from_file_location(module_name, file_path)
module = impor...
Cannot push to Git repository on Bitbucket
I created a new repository and I'm running into a strange error. I've used Git before on Bitbucket but I just reformatted and now I can't seem to get Git to work. After doing a commit, I had to add my email and name to the globals, but then it committed just fine.
...
Importing CommonCrypto in a Swift framework
How do you import CommonCrypto in a Swift framework for iOS?
16 Answers
16
...
Using i and j as variables in Matlab
...erride them, potentially silently breaking code that does complex maths.
Possible solutions include using ii and jj as loop variables instead, or using 1i whenever i is required to represent the imaginary unit.
share
...
window.close and self.close do not close the window in Chrome
The issue is that when I invoke window.close() or self.close() it doesn't close the window. Now there seems to be a belief that in Chrome you can't close by script any window that is not script created. That is patently false but regardless it is supposed to still do it, even if it requires to p...