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How to initialize a dict with keys from a list and empty value in Python?
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Be careful with initializing to something mutable: If you call, e.g., dict.fromkeys([1, 2, 3], []), all of the keys are mapped to the same list, and modifying one will modify them all.
– charleslparker
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Uri to default sound notification?
I use the Notification.Builder to build a notification.
Now I want to use the default sound notification with:
7 Answers
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Flask SQLAlchemy query, specify column names
...ssion: session.query(self.col1) , but how do I do it with with models? I can't do SomeModel.query() . Is there a way?
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How do I alias commands in git?
I saw a screencast where someone had gotten
22 Answers
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What does a lazy val do?
I noticed that Scala provide lazy vals . But I don't get what they do.
7 Answers
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Preserve Line Breaks From TextArea When Writing To MySQL
...e same text which is in textarea to store in mysql
and at a getting time i can also simply displaying plain text.....
step 1:
$status=$_POST['status'];<br/>
$textToStore = nl2br(htmlentities($status, ENT_QUOTES, 'UTF-8'));
In query enter $textToStore....
step 2:
write code for select query.....
Bash/sh - difference between && and ;
...n.
But with && the second one will not run.
This is a "lazy" logical "AND" operand between operations.
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How to open emacs inside bash
...type command "emacs" in terminal, it opens emacs as a seperate window. How can I open it inside the terminal, like nano editor?
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Get name of current class?
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obj.__class__.__name__ will get you any objects name, so you can do this:
class Clazz():
def getName(self):
return self.__class__.__name__
Usage:
>>> c = Clazz()
>>> c.getName()
'Clazz'
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Concatenating Files And Insert New Line In Between Files
I have multiple files which I want to concat with cat .
Let's say
7 Answers
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