大约有 5,100 项符合查询结果（耗时：0.0251秒） [XML]
IEnumerable to string [duplicate]
...tests with a purer sequence, rather than a cast. Something like Enumerable.Range(65, 26).Select(i => (char)i);, this should avoid the chance for an optimized shortcut.
– Jodrell
Oct 28 '13 at 9:39
...
Programmatically get the cache line size?
... the instruction
and data cache minimum line length in bytes to enable a range of
addresses to be invalidated.
The Cache Type Register is:
a read-only register
accessible in privileged modes only.
The contents of the Cache Type Register depend on the specific
implementa...
Operator overloading in Java
... composed of two primitives (a double and an int--->good precision+good range)
– huseyin tugrul buyukisik
Sep 12 '12 at 12:45
...
Switch on Enum in Java [duplicate]
...'m guessing you intended to say you can’t, but you can. chars have a set range of values, so it's easy to compare. Strings can be anything.
A switch statement is usually implemented as a jump table (branch table) in the underlying compilation, which is only possible with a finite set of values. C...
How do I do a not equal in Django queryset filtering?
...tains
icontains
in
gt
gte
lt
lte
startswith
istartswith
endswith
iendswith
range
year
month
day
week_day
isnull
search
regex
iregex
I'm sure by combining these with the Q objects as Dave Vogt suggests and using filter() or exclude() as Jason Baker suggests you'll get exactly what you need for just...
How to subtract 2 hours from user's local time?
...ours() - 2);
And don't worry about if hours you set will be out of 0..23 range.
Date() object will update the date accordingly.
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How to avoid annoying error “declared and not used”
... for this, for example:
func Use(vals ...interface{}) {
for _, val := range vals {
_ = val
}
}
Which you can use like so:
package main
func main() {
a := "declared and not used"
b := "another declared and not used"
c := 123
Use(a, b, c)
}
There's also a packag...
How to print without newline or space?
... parameterless "print" that adds the final newline:
>>> for i in range(10):
... print i,
... else:
... print
...
0 1 2 3 4 5 6 7 8 9
>>>
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How to increment a datetime by one day?
...
date = datetime.datetime(2003,8,1,12,4,5)
for i in range(5):
date += datetime.timedelta(days=1)
print(date)
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f...
How can I strip all punctuation from a string in JavaScript using regex?
...h as curly quotes, em-dashes, etc), you can easily match on specific block ranges. The General Punctuation block is \u2000-\u206F, and the Supplemental Punctuation block is \u2E00-\u2E7F.
Put together, and properly escaped, you get the following RegExp:
/[\u2000-\u206F\u2E00-\u2E7F\\'!"#$%&()*...