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Django datetime issues (default=datetime.now())
... 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, blank=True)
The difference betw...
Double exclamation points? [duplicate]
... but some other falsy value. See the following truth table:
Truth Table for javascript
'' == '0' // false
0 == '' // true
0 == '0' // true
false == 'false' // false
false == '0' // true
false == undefine...
Media query to detect if device is touchscreen
...no way, do you suggest using a JavaScript solution such as !window.Touch or Modernizr?
10 Answers
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How to deal with “data of class uneval” error from ggplot2?
...g to overlay a new line to a existing ggplot I am getting the following error:
3 Answers
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In git how is fetch different than pull and how is merge different than rebase?
...ch will download any changes from the remote* branch, updating your repository data, but leaving your local* branch unchanged.
pull will perform a fetch and additionally merge the changes into your local branch.
What's the difference? pull updates you local branch with changes from the pulled bran...
How to combine paths in Java?
Is there a Java equivalent for System.IO.Path.Combine() in C#/.NET? Or any code to accomplish this?
11 Answers
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Groovy / grails how to determine a data type?
...nger.
If you want to check if an object implements a particular interface or extends a particular class (e.g. Date) use:
(somObject instanceof Date)
or to check if the class of an object is exactly a particular class (not a subclass of it), use:
(somObject.getClass() == Date)
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What is the difference between '/' and '//' when used for division?
...
In Python 3.x, 5 / 2 will return 2.5 and 5 // 2 will return 2. The former is floating point division, and the latter is floor division, sometimes also called integer division.
In Python 2.2 or later in the 2.x line, there is no difference for integers unless you perform a from __future__ imp...
What is the EAFP principle in Python?
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From the glossary:
Easier to ask for forgiveness than permission. This common Python coding style assumes the existence of valid keys or attributes and catches exceptions if the assumption proves false. This clean and fast style is characterized by the presen...
nginx - client_max_body_size has no effect
...host conf , restarted Nginx a couple of times but I'm still getting the error message.
12 Answers
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