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How to prevent rm from reporting that a file was not found?
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what does the 2 in 2> do?
– Dan
Aug 20 '18 at 15:38
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How to escape os.system() calls?
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This is what I use:
def shellquote(s):
return "'" + s.replace("'", "'\\''") + "'"
The shell will always accept a quoted filename and remove the surrounding quotes before passing it to the program in question. Notably, this avo...
Python string prints as [u'String']
...ntents member would be a list of strings and tags, which is apparently not what you have. Assuming that you really always get a list with a single element, and that your test is really only ASCII you would use this:
soup[0].encode("ascii")
However, please double-check that your data is really AS...
Determine a user's timezone
...is into hours, divide by 60. Also, notice that the sign is the opposite of what you need - it's calculating GMT's offset from your time zone, not your time zone's offset from GMT. To fix this, simply multiply by -1.
Also note that w3school says:
The returned value is not a constant, because of...
Use of def, val, and var in scala
...alue, it will just be discarded). In this line of code:
person.age = 20
what happens is that you first call the person method, and on the return value (an instance of class Person) you are changing the age member variable.
And the last line:
println(person.age)
Here you are again calling the...
Get the latest record from mongodb collection
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So, what's the difference with this order : db.collection.find().sort({$natural:-1}).limit(1).pretty()
– Leo
Nov 2 '16 at 2:32
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How do I detect what .NET Framework versions and service packs are installed?
A similar question was asked here , but it was specific to .NET 3.5. Specifically, I'm looking for the following:
13 Answe...
How to change an Eclipse default project into a Java project
...d not specify the project type, so it checked out as a "default" project. What is the easiest way to quickly convert this into a "Java" project?
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When saving, how can you check if a field has changed?
...n that tracks model fields' values and provide some useful api
to know what fields have been changed.
"""
def __init__(self, *args, **kwargs):
super(ModelDiffMixin, self).__init__(*args, **kwargs)
self.__initial = self._dict
@property
def diff(self):
d1 ...
PHP Error handling: die() Vs trigger_error() Vs throw Exception
... it into your database, even if not desired and you'd have no control over what's to happen next.
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