大约有 49,000 项符合查询结果（耗时：0.0299秒） [XML]
Get Folder Size from Windows Command Line
...th
If you want it prettier:
switch((ls -r|measure -sum Length).Sum) {
{$_ -gt 1GB} {
'{0:0.0} GiB' -f ($_/1GB)
break
}
{$_ -gt 1MB} {
'{0:0.0} MiB' -f ($_/1MB)
break
}
{$_ -gt 1KB} {
'{0:0.0} KiB' -f ($_/1KB)
break
}
default { "$_ bytes" }
}
You can use this d...
A non well formed numeric value encountered
...atetime description into a Unix timestamp (integer):
date("d", strtotime($_GET['start_date']));
share
|
improve this answer
|
follow
|
...
ie8 var w= window.open() - “Message: Invalid argument.”
...soft only allows the following arguments, If using that argument at all:
_blank
_media
_parent
_search
_self
_top
share
|
improve this answer
|
follow
|
...
Ruby replace string with captured regex pattern
... note that you can index a string with a regex:
"foo"[/oo/]
#=> "oo"
"Z_123: foobar"[/^Z_.*(?=:)/]
#=> "Z_123"
share
|
improve this answer
|
follow
|
...
How do you format an unsigned long long int using printf?
...want to try using the inttypes.h library that gives you types such as
int32_t, int64_t, uint64_t etc.
You can then use its macros such as:
uint64_t x;
uint32_t y;
printf("x: %"PRId64", y: %"PRId32"\n", x, y);
This is "guaranteed" to not give you the same trouble as long, unsigned long long etc, ...
What are 'get' and 'set' in Swift?
...y can set the members value to anything less than 2:
class family {
var _members:Int = 2
var members:Int {
get {
return _members
}
set (newVal) {
if newVal >= 2 {
_members = newVal
} else {
println('error: cannot have family with less than 2 members')
...
Python: Why is functools.partial necessary?
...mbda:
>>> pickle.dumps(partial(int))
'cfunctools\npartial\np0\n(c__builtin__\nint\np1\ntp2\nRp3\n(g1\n(tNNtp4\nb.'
>>> pickle.dumps(lambda x: int(x))
Traceback (most recent call last):
File "<ipython-input-11-e32d5a050739>", line 1, in <module>
pickle.dumps(lambd...
How to check an Android device is HDPI screen or MDPI screen?
... Density values described at: developer.android.com/guide/practices/screens_support.html
– esilver
Jan 21 '14 at 21:52
1
...
用App Inventor 2做扫描仪App？从拍照到展示，手把手教你搭一套完整相机功...
...位址赋值给Image1.图片
核心积木拼法如下：
当 按钮_拍照.被点击 执行
调用 Camera1.拍照()
当 Camera1.拍摄完成(图像位址) 执行
设 图像_预览.图片 为 图像位址
设 标签_状态.文本 为 "照片已拍...
Disable output buffering
...pper which
does a flush after every call.
class Unbuffered(object):
def __init__(self, stream):
self.stream = stream
def write(self, data):
self.stream.write(data)
self.stream.flush()
def writelines(self, datas):
self.stream.writelines(datas)
self.stream.f...