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When to use an object instance variable versus passing an argument to the method
...To some degree, when to use instance variables, how to define their scope, and when to use local variables is subjective, but there are a couple of rules of thumb you can follow whenever creating your classes.
Instance variables are typically considered to be attributes of a class. Think of these ...
Git rebase merge conflict cannot continue
...f so just skip it. If that isn't the case please post a copy of git status and I can try to help further.
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JavaScript DOM remove element
I'm trying to test if a DOM element exists, and if it does exist delete it, and if it doesn't exist create it.
5 Answers
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How can I trigger a JavaScript event click
...="my-link" onclick="javascript:Test('Test');">Google Chrome</a>
and call the .click() method in your JavaScript code via a for loop:
var link = document.getElementById('my-link');
for(var i = 0; i < 50; i++)
link.click();
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How to manage local vs production settings in Django?
What is the recommended way of handling settings for local development and the production server? Some of them (like constants, etc) can be changed/accessed in both, but some of them (like paths to static files) need to remain different, and hence should not be overwritten every time the new code is...
What is the difference between a mutable and immutable string in C#?
What is the difference between a mutable and immutable string in C#?
15 Answers
15
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In Django, how does one filter a QuerySet with dynamic field lookups?
...endswith'): 'Z'
}
Person.objects.filter(**kwargs)
This is a very common and useful Python idiom.
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How to find the files that are created in the last hour in unix
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This is great and all, but these flags don't exist on Solaris find that I'm using. OP said Unix and I think these are Linux only.
– jiggy
Apr 17 '14 at 19:53
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Running the new Intel emulator for Android
Lately Google and Intel have published a new way to run the emulator, which should work much better than the previous version (which has emulated ARM CPU). Here are some links about it: this and this .
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sqlite3.ProgrammingError: Incorrect number of bindings supplied. The current statement uses 1, and t
...g,))
Without the comma, (img) is just a grouped expression, not a tuple, and thus the img string is treated as the input sequence. If that string is 74 characters long, then Python sees that as 74 separate bind values, each one character long.
>>> len(img)
74
>>> len((img,))
1
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