大约有 1,077 项符合查询结果（耗时：0.0240秒） [XML]
Possible reasons for timeout when trying to access EC2 instance
...
To connect use ssh like so:
ssh -i keyname.pem username@xxx.xx.xxx.xx
Where keyname.pem is the name of your private key, username is the correct username for your os distribution, and xxx.xx.xxx.xx is the public ip address.
When it times out or fails, check the following:
Sec...
File I/O in Every Programming Language [closed]
...GetFileDetails.
DISPLAY "Enter - Line number, some text"
DISPLAY "NXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
ACCEPT TestData.
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Getting Python error “from: can't read /var/mail/Bio”
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I got same error because I was trying to run on
XXX-Macmini:Python-Project XXX.XXX$ from classDemo import MyClass
from: can't read /var/mail/classDemo
To solve this, type command python and when you get these >>>
then run any python commands
>>>from c...
Removing items from a list [duplicate]
...toRemove = new ArrayList<Object>();
for(Object a: list){
if(a.getXXX().equalsIgnoreCase("AAA")){
toRemove.add(a);
}
}
list.removeAll(toRemove);
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...
Logging best practices [closed]
...owing specific codes.
e.g. The first digit can detail the general class: 1xxx can be used for 'Start' operations, 2xxx for normal behaviour, 3xxx for activity tracing, 4xxx for warnings, 5xxx for errors, 8xxx for 'Stop' operations, 9xxx for fatal errors, etc.
The second digit can detail the area, ...
Keyword not supported: “data source” initializing Entity Framework Context
...DefaultConnection" connectionString="Data Source=localhost;Initial Catalog=xxx;Persist Security Info=True;User ID=xxx;Password=xxx" providerName="System.Data.SqlClient" />
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XMLHttpRequest cannot load file. Cross origin requests are only supported for HTTP
...pen a browser
In the address line type: http://your IP address:port
http://xxx.xxx.x.x:1337 or http://xx.xxx.xxx.xx:8000 for the default
If the server is working, you will see a list of your files in the browser
Click the file you want to serve, and it should display.
More advanced solutions
In...
grant remote access of MySQL database from any IP address
...hether I try it with root or a new user: Can't connect to MySQL server on 'xxx.xxx.xxx.xxx' ([Errno 61] Connection refused)
– baermathias
Feb 6 '17 at 16:44
add a comment
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Kill detached screen session [closed]
...en -ls
which results in
There is a screen on:
26727.pts-0.devxxx (Attached)
1 Socket in /tmp/uscreens/S-xxx. <------ this is where the session is.
And just remove it:
cd /tmp/uscreens/S-xxx
ls
26727.pts-0.devxxx
rm 26727.pts-0.devxxx
ls
The uscreens directory will not ha...
Vim: How to change the highlight color for search hits and quickfix selection
...the formatting of QuickFixLine and Search as being set to
QuickFixLine xxx term=reverse guibg=Cyan
Search xxx term=reverse ctermfg=0 ctermbg=222 guifg=#000000 guibg=#FFE792
where xxx had a sample format,
I appended the following line to my ~/.vimrc
hi QuickFixLine term=reverse ctermb...
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