大约有 5,000 项符合查询结果（耗时：0.0204秒） [XML]
What are the differences between the threading and multiprocessing modules?
...t, niters):
'''
A useless CPU bound function.
'''
for i in range(niters):
result = (result * result * i + 2 * result * i * i + 3) % 10000000
return result
class CpuThread(threading.Thread):
def __init__(self, niters):
super().__init__()
self.niters = ...
Xcode duplicate/delete line
...clipse and having been used to duplicate lines all the time, it's pretty strange finding out that Xcode has no such function. Or does it?
...
List comprehension rebinds names even after scope of comprehension. Is this right?
...y found was single-value for clauses eg. sum100 = [s for s in [0] for i in range(1, 101) for s in [s + i]][-1], but just needs a comprehension-local var and works just as well in Python 3. I think "leaking" was the only way to set variable visible outside an expression. Everybody agreed these tech...
Converting string into datetime
...0 pm').date
datetime.datetime(2015, 8, 15, 20, 40)
>>> timestring.Range('next week')
<timestring.Range From 03/10/14 00:00:00 to 03/03/14 00:00:00 4496004880>
>>> (timestring.Range('next week').start.date, timestring.Range('next week').end.date)
(datetime.datetime(2014, 3, 10...
Read text file into string array (and write)
...
defer file.Close()
w := bufio.NewWriter(file)
for _, line := range lines {
fmt.Fprintln(w, line)
}
return w.Flush()
}
func main() {
lines, err := readLines("foo.in.txt")
if err != nil {
log.Fatalf("readLines: %s", err)
}
for i, line := range lin...
What are the differences between double-dot “..” and triple-dot “…” in Git diff commit ranges?
What are the differences between the following commands?:
5 Answers
5
...
A fast method to round a double to a 32-bit int explained
... 2^51 + 2^52; adding such a number forces the double to go into the "sweet range" between 2^52 and 2^53, which, as explained by Wikipedia here, has an interesting property:
Between 252=4,503,599,627,370,496 and 253=9,007,199,254,740,992 the representable numbers are exactly the integers
This f...
Excel VBA - exit for loop
...is is also an option:
Sub some()
Count = 0
End_ = ThisWorkbook.Sheets(1).Range("B1047854").End(xlUp).Row
While Count < End_ And Not ThisWorkbook.Sheets(1).Range("B" & Count).Value = "Artikel"
Count = Count + 1
If ThisWorkbook.Sheets(1).Range("B" & Count).Value = "Artikel" Then
...
Inserting a text where cursor is using Javascript/jquery
...tion ? "ie" : false));
if (br == "ie") {
txtarea.focus();
var range = document.selection.createRange();
range.moveStart('character', -txtarea.value.length);
strPos = range.text.length;
} else if (br == "ff") {
strPos = txtarea.selectionStart;
}
var front = (txt...
“To Do” list before publishing Android app to market [closed]
...
No, the raw source doesn't get shipped. The .apk file is just a .zip file in disguise, so rename it and take a look. Anything in /assets and /res/raw gets shipped unaltered, as do the drawables in /res. The xml files in /res are mang...