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Django datetime issues (default=datetime.now())
...u add a record.
Django has a feature to accomplish what you are trying to do already:
date = models.DateTimeField(auto_now_add=True, blank=True)
or
date = models.DateTimeField(default=datetime.now, blank=True)
The difference between the second example and what you currently have is the lack o...
How to query MongoDB with “like”?
...egular expressions refer to this link
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions
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Writing a dict to txt file and reading it back?
...y.
I first wrote that you could just feed the string into dict() but that doesn't work! You need to do something else.
Example
Here is the simplest way: feed the string into eval(). Like so:
def reading(self):
s = open('deed.txt', 'r').read()
self.whip = eval(s)
You can do it in one ...
Regular expression to match numbers with or without commas and decimals in text
...common task, but all the answers I see here so far will accept inputs that don't match your number format, such as ,111, 9,9,9, or even .,,.. That's simple enough to fix, even if the numbers are embedded in other text. IMHO anything that fails to pull 1,234.56 and 1234—and only those numbers—out...
How to construct a std::string from a std::vector?
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I think you can just do
std::string s( MyVector.begin(), MyVector.end() );
where MyVector is your std::vector.
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Is there a way for non-root processes to bind to “privileged” ports on Linux?
...art a service as non-root but bind low ports. The short answer is that you do:
setcap 'cap_net_bind_service=+ep' /path/to/program
And then anytime program is executed thereafter it will have the CAP_NET_BIND_SERVICE capability. setcap is in the debian package libcap2-bin.
Now for the caveats:
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C default arguments
...unction and manually fill in default values for arguments which the caller doesn't pass.
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Evaluating string “3*(4+2)” yield int 18 [duplicate]
...of this answer when applied to old school .Net, but the new Core framework does not have DataTables. Is there anything that can do this in .Net Core?
– Eric
Mar 14 '17 at 21:12
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How to describe “object” arguments in jsdoc?
But how do I describe how the parameters object should be structured? For example it should be something like:
6 Answers
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Implicit “Submit” after hitting Done on the keyboard at the last EditText
...some apps where when I fill my username, then go to my password, if I hit "Done" on the keyboard, the login form is automatically submitted, without me having to click the submit button. How is this done?
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