大约有 800 项符合查询结果（耗时：0.0255秒） [XML]
How to upgrade PowerShell version from 2.0 to 3.0
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There is powershell 5.0 now
– razz
Jul 28 '16 at 14:24
@razzak ...
Creating hard and soft links using PowerShell
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Windows 10 (and Powershell 5.0 in general) allows you to create symbolic links via the New-Item cmdlet.
Usage:
New-Item -Path C:\LinkDir -ItemType SymbolicLink -Value F:\RealDir
Or in your profile:
function make-link ($target, $link) {
New-Ite...
How can we programmatically detect which iOS version is device running on? [duplicate]
I want to check if the user is running the app on iOS less than 5.0 and display a label in the app.
10 Answers
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What are “named tuples” in Python?
...nt as a tuple (x, y). This leads to code like the following:
pt1 = (1.0, 5.0)
pt2 = (2.5, 1.5)
from math import sqrt
line_length = sqrt((pt1[0]-pt2[0])**2 + (pt1[1]-pt2[1])**2)
Using a named tuple it becomes more readable:
from collections import namedtuple
Point = namedtuple('Point', 'x y')
p...
How to detect my browser version and operating system using JavaScript?
...rowser CodeName: Mozilla
Browser Name: Netscape
Browser Version: 5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36
(KHTML, like Gecko) Chrome/40.0.2214.115 Safari/537.36
Cookies Enabled: true
Platform: Win32
User-agent header: Mozilla/5.0 (Windows NT 6.1; WOW64)
AppleWebKit...
How can I get all the request headers in Django?
...s case-insensitively:
>>> request.headers
{'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6', ...}
>>> 'User-Agent' in request.headers
True
>>> 'user-agent' in request.headers
True
>>> request.headers['User-Agent']
Mozilla/5.0 (Macintosh; Intel Mac ...
Convert list of dictionaries to a pandas DataFrame
...ata2)
pd.DataFrame.from_records(data2)
A B C D E F
0 5.0 NaN 3.0 3.0 NaN NaN
1 7.0 9.0 NaN NaN NaN 5.0
2 NaN 4.0 7.0 NaN 6.0 NaN
Reading Subset of Columns
"What if I don't want to read in every single column"? You can easily specify this using the columns=... ...
iPhone App 开发第一步：从零到真机调试HelloWorld - 更多技术 - 清泛网 - ...
...后安装Mac OS X Snow Leopard，再升级，再安装XCode 4.2和iOS SDK 5.0，是最为费劲和折腾的一种方式了，如果条件允许，请勿搞些折腾，费时费力。此后真机调试用的是自己的iPhone 4s，系统5.0已越狱，非越狱机器且无IDP账号怎么调试，我...
Reducing the space between sections of the UITableView
...eView
heightForFooterInSection:(NSInteger)section {
return 5.0;
}
- (UIView*)tableView:(UITableView*)tableView
viewForHeaderInSection:(NSInteger)section {
return [[UIView alloc] initWithFrame:CGRectZero];
}
- (UIView*)tableView:(UITableView*)tableView
vi...
Understanding Apache's access log
... have 4 additional fields after the user-agent, like this : ... "Mozilla/5.0 (Windows NT 5.1; rv:16.0) Gecko/20100101 Firefox/16.0" 369 74500 - 567 what do they indicate?
– my account_ram
Jan 29 '14 at 21:18
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