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How do I add a placeholder on a CharField in Django?
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Look at the widgets documentation. Basically it would look like:
q = forms.CharField(label='search',
widget=forms.TextInput(attrs={'placeholder': 'Search'}))
More writing, yes, but the separation allows for better abstractio...
Best way to test for a variable's existence in PHP; isset() is clearly broken
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Why would one omit the close tag?
I keep reading it is poor practice to use the PHP close tag ?> at the end of the file. The header problem seems irrelevant in the following context (and this is the only good argument so far):
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How to read a file without newlines?
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You can read the whole file and split lines using str.splitlines:
temp = file.read().splitlines()
Or you can strip the newline by hand:
temp = [line[:-1] for line in file]
Note: this last solution only works if the file e...
PHP multidimensional array search by value
I have an array where I want to search the uid and get the key of the array.
23 Answers
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Software keyboard resizes background image on Android
Whenever the software keyboard appears, it resizes the background image. Refer to the screenshot below:
17 Answers
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Empty set literal?
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No, there's no literal syntax for the empty set. You have to write set().
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Spring Data: “delete by” is supported?
I am using Spring JPA for database access. I am able to find examples such as findByName and countByName, for which I dont have to write any method implementation. I am hoping to find examples for delete a group of records based on some condition.
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Getting JavaScript object key list
I have a JavaScript object like
17 Answers
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What is the C# Using block and why should I use it? [duplicate]
What is the purpose of the Using block in C#? How is it different from a local variable?
9 Answers
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