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Why doesn't django's model.save() call full_clean()?
...e that declares a receiver, we can use an app as INSTALLED_APPS section in settings.py
INSTALLED_APPS = [
# ...
'django_fullclean',
# your apps here,
]
Before that, you may need to install django-fullclean using PyPI:
pip install django-fullclean
...
Repeat string to certain length
What is an efficient way to repeat a string to a certain length? Eg: repeat('abc', 7) -> 'abcabca'
13 Answers
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How to insert tab character when expandtab option is on in Vim
...acter.
If you need to do this often, @Dee`Kej suggested (in the comments) setting Shift+Tab to insert a real tab with this mapping:
:inoremap <S-Tab> <C-V><Tab>
Also, as noted by @feedbackloop, on Windows you may need to press <CTRL-Q> rather than <CTRL-V>.
...
What is the purpose of setting a key in data.table?
I am using data.table and there are many functions which require me to set a key (e.g. X[Y] ). As such, I wish to understand what a key does in order to properly set keys in my data tables.
...
how to check redis instance version?
...ile redis-cli info <subinfo> will succeed only in a complete working setup, with redis-server running and responsive and with open network connectivity between redis-cli and redis-server
– mirekphd
Dec 8 '19 at 10:47
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Visual Studio 2010 always thinks project is out of date, but nothing has changed
...te. Project item 'c:\foo\bar.xml' has 'Copy to Output Directory' attribute set to 'Copy always'.
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How to create multiple levels of indentation in Javadoc?
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
...
MySQL: Enable LOAD DATA LOCAL INFILE
...ee Section 6.1.6, “Security Issues with LOAD DATA LOCAL”.
You should set the option:
local-infile=1
into your [mysql] entry of my.cnf file or call mysql client with the --local-infile option:
mysql --local-infile -uroot -pyourpwd yourdbname
You have to be sure that the same parameter is ...
A cron job for rails: best practices?
...on for each task. Implement the logic of the task as controller code, Then set up a cronjob at the OS level that uses wget to invoke the URL of this controller and action at the appropriate time intervals. The advantages of this method are you:
Have full access to all your Rails objects just as in...
ContinuousSpeech 连续语音识别扩展：持续语音识别无需重复启动 · App Inventor 2 中文网
...提示音 SoundEnabled
控制系统提示音的开关状态。设置为 false 可禁用识别开始和结束时的提示音。
版本 Version
返回扩展的版本号。
方法 Methods
启动 Start()
启动连续语音识别。识别器将持续运行，直到...