大约有 20,000 项符合查询结果（耗时：0.0176秒） [XML]
Omit rows containing specific column of NA
...
Try this:
cc=is.na(DF$y)
m=which(cc==c("TRUE"))
DF=DF[-m,]
share
|
improve this answer
|
follow
...
Are there any naming convention guidelines for REST APIs? [closed]
...lt of the request is a User. Therefore, user is the noun you're fetching
www.example.com/greeting/user/x/
Makes sense to me. Focus on making your REST request a kind of noun phrase -- a path through a hierarchy (or taxonomy, or directory). Use the simplest nouns possible, avoiding noun phrases...
Mail multipart/alternative vs multipart/mixed
...o import MIMEAudio
from email.mime.base import MIMEBase
SCOPES = 'https://www.googleapis.com/auth/gmail.send'
CLIENT_SECRET_FILE1 = 'client_secret.json'
location = os.path.realpath(
os.path.join(os.getcwd(), os.path.dirname(__file__)))
CLIENT_SECRET_FILE = os.path.join(location, CLIENT_SECRET_F...
How do I compile C++ with Clang?
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
'Microsoft.SqlServer.Types' version 10 or higher could not be found on Azure
... “Microsoft System CLR Types for SQL Server 2012”
it’s from https://www.microsoft.com/en-us/download/details.aspx?id=29065
Or Use Direct Link Below
Direct Link to X86 :http://go.microsoft.com/fwlink/?LinkID=239643&clcid=0x409
, Or Direct Link to X64 :http://go.microsoft.com/fwlink/?LinkI...
How to pass macro definition from “make” command line arguments (-D) to C source code?
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
Printing 1 to 1000 without loop or conditionals
...715\n716\n717\n718\n719\n720\n721\n722\n723\n724\n725\n726\n727\n728\n729\n730\n731\n732\n733\n734\n735\n736\n737\n738\n739\n740\n741\n742\n743\n744\n745\n746\n747\n748\n749\n750\n751\n752\n753\n754\n755\n756\n757\n758\n759\n760\n761\n762\n763\n764\n765\n766\n767\n768\n769\n770\n771\n772\n773\n774\n...
Choose between ExecutorService's submit and ExecutorService's execute
How should I choose between ExecutorService's submit or execute , if the returned value is not my concern?
7 Answers
...
How to stretch div height to fill parent div - CSS
...A{
top: 0;
width: 100%;
height: 35px;
background-color: #99CC00;
}
#B {
top: 35px;
width: 200px;
bottom: 35px;
background-color: #999999;
z-index:100;
}
#B2 {
min-height: 100%;
height: 100%;
margin-top: -35px;
bottom: 0;
background-color: red;
...
How to install pip with Python 3?
...
For some reason on my instance of Ubuntu 14.04 with python3.4 already installed from apt-get, I also had to run sudo easy_install3 pip and then pip3 install works from that point on.
– jamescampbell
Aug 28 '15 at 12:35
...