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Django datetime issues (default=datetime.now())
...it looks like datetime.now() is being evaluated when the model is defined, and not each time you 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, bl...
How to change navbar collapse threshold using Twitter bootstrap-responsive?
...ect, implemented with bootstrap-sass. I'm loading both the bootstrap.css and the bootstrap-responsive.css files, as well as the bootstrap-collapse.js Javascript.
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Generate a random alphanumeric string in Cocoa
I want to call a method, pass it the length and have it generate a random alphanumeric string.
20 Answers
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What does it mean by select 1 from table?
... is pretty unremarkable on its own, so normally it will be used with WHERE and often EXISTS (as @gbn notes, this is not necessarily best practice, it is, however, common enough to be noted, even if it isn't really meaningful (that said, I will use it because others use it and it is "more obvious" im...
jQuery : eq() vs get()
I'm new to jQuery, and I'm wondering what the difference is between jQuery's get() and eq() functions. I may misunderstand what the get() function does, but I thought it odd that I couldn't call a function on the returned on the returned element in the same line.
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Increasing (or decreasing) the memory available to R processes
...rror that R
has run out of memory.
If you have R already installed and
subsequently install more RAM, you may
have to reinstall R in order to take
advantage of the additional capacity.
You may also set the amount of
available memory manually. Close R,
then right-click on your...
Putting a simple if-then-else statement on one line [duplicate]
I'm just getting into Python and I really like the terseness of the syntax. However, is there an easier way of writing an if - then - else statement so it fits on one line?
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Where does the @Transactional annotation belong?
Should you place the @Transactional in the DAO classes and/or their methods or is it better to annotate the Service classes which are calling using the DAO objects? Or does it make sense to annotate both "layers"?
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Replace first occurrence of pattern in a string [duplicate]
... I used this kind of code in a heavy loop, it consumes a lot of CPU and memory. It must be avoided in these kind of loops.
– Ali Erdoğan
Feb 14 '16 at 12:44
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How to copy to clipboard in Vim?
...ternal buffer. I want to copy to the OS's clipboard. Is there any such command in Vim or you can only yank stuff within Vim?
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