大约有 39,300 项符合查询结果（耗时：0.0303秒） [XML]
Site does not exist error for a2ensite
...d the issue by adding .conf extension to site configuration files.
Apache a2ensite results in:
Error! Site Does Not Exist
Problem; If you found the error while trying to enable a site using:
sudo a2ensite example.com
but it returns:
Error: example.com does not exist
a2ensite is simpl...
Get the last non-empty cell in a column in Google Sheets
...u combine it with your current function it would look like this:
=DAYS360(A2,INDEX( FILTER( A:A ; NOT( ISBLANK( A:A ) ) ) ; ROWS( FILTER( A:A ; NOT( ISBLANK( A:A ) ) ) ) ))
share
|
improve this an...
Using R to download zipped data file, extract, and import data
...nz(temp, "a1.dat"))
unlink(temp)
Compressed (.z) or gzipped (.gz) or bzip2ed (.bz2) files are just the file and those you can read directly from a connection. So get the data provider to use that instead :)
share
...
How to find out which version of the .NET Framework an executable needs to run?
...ta version: v2.0.50727
.assembly extern mscorlib
{
.publickeytoken = (B7 7A 5C 56 19 34 E0 89 ) // .z\V.4..
.ver 2:0:0:0
}
.assembly extern System
{
.publickeytoken = (B7 7A 5C 56 19 34 E0 89 ) // .z\V.4..
.ver 2:0:0:0
}
Reflector:
.module W...
Compare two data.frames to find the rows in data.frame 1 that are not present in data.frame 2
... compare:
library(compare)
a1 <- data.frame(a = 1:5, b = letters[1:5])
a2 <- data.frame(a = 1:3, b = letters[1:3])
comparison <- compare(a1,a2,allowAll=TRUE)
comparison$tM
# a b
#1 1 a
#2 2 b
#3 3 c
The function compare gives you a lot of flexibility in terms of what kind of comparisons...
INSTALL_FAILED_NO_MATCHING_ABIS when install apk
...g me the error and clicking on Edit button where I set up an ARM (armeabi-v7a) architecture. After this change plus emulator reboot the installation went through with no issues
– Antonino
Apr 10 '18 at 0:48
...
一分钟明白 VS manifest 原理 - C/C++ - 清泛网 - 专注C/C++及内核技术
...t.VC80.DebugCRT" processorArchitecture="ia64" publicKeyToken="1fc8b3b9a1e18e3b"/>
<bindingRedirect oldVersion="8.0.41204.256-8.0.50608.0" newVersion="8.0.50727.42"/>
</dependentAssembly>
指明"8.0.41204.256-8.0.50608.0"都被定向到8.0.50727.42。这是assembly提供商如MS对低级版本bug...
How to split a column into two columns?
...;> import pandas as pd
>>> df = pd.DataFrame({'AB': ['A1-B1', 'A2-B2']})
>>> df
AB
0 A1-B1
1 A2-B2
>>> df['AB_split'] = df['AB'].str.split('-')
>>> df
AB AB_split
0 A1-B1 [A1, B1]
1 A2-B2 [A2, B2]
1: If you're unsure what the first two pa...
Pandas: create two new columns in a dataframe with values calculated from a pre-existing column
...In [4]: df
Out[4]:
a b
0 1 2
1 2 3
2 3 4
In [5]: df["A1"], df["A2"] = zip(*df["a"].map(calculate))
In [6]: df
Out[6]:
a b A1 A2
0 1 2 2 3
1 2 3 4 6
2 3 4 6 9
share
|
...
Apache Proxy: No protocol handler was valid
...
This can happen if you don't have mod_proxy_http enabled
sudo a2enmod proxy_http
For me to get my https based load balancer working, i had to enable the following:
sudo a2enmod ssl
sudo a2enmod proxy
sudo a2enmod proxy_balancer
sudo a2enmod proxy_http
...