大约有 15,000 项符合查询结果（耗时：0.0321秒） [XML]
Flatten an irregular list of lists
...re ( here , here , here , here ), but as far as I know, all solutions, except for one, fail on a list like this:
46 Answ...
Set environment variables on Mac OS X Lion
...
First, one thing to recognize about OS X is that it is built on Unix. This is where the .bash_profile comes in. When you start the Terminal app in OS X you get a bash shell by default. The bash shell comes from Unix and when it loads it runs the .bash_profile scri...
Get decimal portion of a number with JavaScript
... To avoid the floating point rounding problems noted, using toFixed could help in some situations e.g. (2.3 % 1).toFixed(4) == "0.3000".
– Brian M. Hunt
Jun 16 '14 at 14:21
...
Saving utf-8 texts in json.dumps as UTF8, not as \u escape sequence
...צקלה", ensure_ascii=False).encode('utf8')
>>> json_string
b'"\xd7\x91\xd7\xa8\xd7\x99 \xd7\xa6\xd7\xa7\xd7\x9c\xd7\x94"'
>>> print(json_string.decode())
"ברי צקלה"
If you are writing to a file, just use json.dump() and leave it to the file object to encode:
with open(...
How do I enumerate through a JObject?
...gt;>. So, you can iterate over it simply using a foreach:
foreach (var x in obj)
{
string name = x.Key;
JToken value = x.Value;
…
}
share
|
improve this answer
|
...
Why is it impossible to override a getter-only property and add a setter? [closed]
...
Because the writer of Baseclass has explicitly declared that Bar has to be a read-only property. It doesn't make sense for derivations to break this contract and make it read-write.
I'm with Microsoft on this one.
Let's say I'm a new programmer who has been tol...
How to place and center text in an SVG rectangle
...
An easy solution to center text horizontally and vertically in SVG:
Set the position of the text to the absolute center of the element in which you want to center it:
If it's the parent, you could just do x="50%" y ="50%".
If it's another element, x ...
How can I use pointers in Java?
...can be created with pointers and that this can be done by the few who are experts in java. Is it true?
14 Answers
...
In Python, what is the difference between “.append()” and “+= []”?
... import dis
>>> dis.dis(compile("s = []; s.append('spam')", '', 'exec'))
1 0 BUILD_LIST 0
3 STORE_NAME 0 (s)
6 LOAD_NAME 0 (s)
9 LOAD_ATTR 1 (append)
12 LOAD_CONST ...
Extracting bits with a single multiplication
...
Very interesting question, and clever trick.
Let's look at a simple example of getting a single byte manipulated. Using unsigned 8 bit for simplicity. Imagine your number is xxaxxbxx and you want ab000000.
The solution consisted of two steps: a bit masking, followed by multiplication. The bit...