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Extract digits from a string in Java
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There is now Charmatcher.DIGIT predefined.
– Duncan McGregor
Feb 10 '12 at 11:48
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What is `related_name` used for in Django?
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Okay, I know this is an old post. But I'm just trying to figure this out - what's the + trick at the end of the related name? For instance, what happens if I did related_name='maps+' in the example above?
– Sidd
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Replace non-ASCII characters with a single space
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Yes, I know this does not work for this question, but I landed here trying to solve that problem, so I thought I’d just share my solution to my own problem, which I think is very common for people as @dotancohen who deal with non-a...
Hibernate JPA Sequence (non-Id)
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I know this is a very old question, but it's showed firstly upon the results and jpa has changed a lot since the question.
The right way to do it now is with the @Generated annotation. You can define the sequence, set the defau...
What is the default text size on Android?
...Size(). I want the text size to look the same like the text on the Button. Now, I can of course set the text size of the button to e.g. 18sp, and use 18 in my view. But for a better integration, I simply would like to know, what text size is "normal" for buttons. From my test, it should be something...
How to export collection to CSV in MongoDB?
...hemaless; CSV, on the other hand, has a fixed layout for columns. Without knowing what fields are used in different documents it's impossible to output the CSV dump.
If you have a fixed schema perhaps you could retrieve one document, harvest the field names from it with a script and pass it to mong...
How to access the ith column of a NumPy multidimensional array?
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[3, 4],
[5, 6]])
As you already know from other answers, to get it in the form of "row vector" (array of shape (3,)), you use slicing:
arr_c1_ref = arr[:, 1] # creates a reference to the 1st column of the arr
arr_c1_copy = arr[:, 1].copy() # creates a cop...
How can I sort a List alphabetically?
...e line shorter, though.
Never worry about is this list really sorted right now becaude a TreeSet is always sorted, no matter what you do.
You cannot have duplicate entries. Depending on your situation this may be a pro or a con. If you need duplicates, stick to your List.
An experienced programmer l...
How can I parse a time string containing milliseconds in it with python?
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I know this is an older question but I'm still using Python 2.4.3 and I needed to find a better way of converting the string of data to a datetime.
The solution if datetime doesn't support %f and without needing a try/except is...
Base 64 encode and decode example code
Does anyone know how to decode and encode a string in Base64 using the Base64. I am using the following code, but it's not working.
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