大约有 7,000 项符合查询结果（耗时：0.0201秒） [XML]
Pseudo-terminal will not be allocated because stdin is not a terminal
...ee: check if file exists on remote host with ssh).
# version 1
unset DEP_ROOT REL_DIR
DEP_ROOT='/tmp'
datestamp=$(date +%Y%m%d%H%M%S)
REL_DIR="${DEP_ROOT}/${datestamp}"
ssh localhost /bin/bash <<EOF
if [ ! -d "$DEP_ROOT" ] && [ ! -e "$DEP_ROOT" ]; then
echo "creating the root dir...
What does “Document-oriented” vs. Key-Value mean when talking about MongoDB vs Cassandra?
... of a database at the top level, then collections which are like tables in MySQL (for example) and then documents which are contained within the collection, like rows in MySQL. Each document has a field and a value where this is similar to columns and values in MySQL. Fields can be simple key / valu...
How to change current working directory using a batch file
...need some help in writing a batch file.
I have a path stored in a variable root as follows:
4 Answers
...
How to get the input from the Tkinter Text Widget?
...
Here is how I did it with python 3.5.2:
from tkinter import *
root=Tk()
def retrieve_input():
inputValue=textBox.get("1.0","end-1c")
print(inputValue)
textBox=Text(root, height=2, width=10)
textBox.pack()
buttonCommit=Button(root, height=1, width=10, text="Commit",
...
“[notice] child pid XXXX exit signal Segmentation fault (11)” in apache error.log [closed]
I am using Apache/PHP/MySQL stack.
Using as framework CakePHP.
3 Answers
3
...
How to change the docker image installation directory?
...
With recent versions of Docker, you would set the value of the data-root parameter to your custom path, in /etc/docker/daemon.json
(according to https://docs.docker.com/engine/reference/commandline/dockerd/#daemon-configuration-file).
With older versions, you can change Docker's storage base...
Add a column to existing table and uniquely number them on MS SQL Server
...
It would help if you posted what SQL database you're using. For MySQL you probably want auto_increment:
ALTER TABLE tableName ADD id MEDIUMINT NOT NULL AUTO_INCREMENT KEY
Not sure if this applies the values retroactively though. If it doesn't you should just be able to iterate over you...
Django CharField vs TextField
...nce among these three types", but AFAIK there are some differences in e.g. MySQL, so this is something to keep in mind.
A good rule of thumb is that you use CharField when you need to limit the maximum length, TextField otherwise.
This is not really Django-specific, also.
...
How to list running screen sessions?
...ntle ~ # ls -laR /var/run/screen/
/var/run/screen/:
total 1
drwxrwxr-x 4 root utmp 96 Mar 1 2005 .
drwxr-xr-x 10 root root 840 Feb 1 03:10 ..
drwx------ 2 josh users 88 Jan 13 11:33 S-josh
drwx------ 2 root root 48 Feb 11 10:50 S-root
/var/run/screen/S-josh:
total 0
drwx------ 2 josh u...
Difference between static STATIC_URL and STATIC_ROOT on Django
I am confused by static root and want to clarify things.
3 Answers
3
...