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Saving a Numpy array as an image
...yPNG. It's a pure Python (no dependencies) open source PNG encoder/decoder and it supports writing NumPy arrays as images.
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How to change identity column values programmatically?
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You need to
set identity_insert YourTable ON
Then delete your row and reinsert it with different identity.
Once you have done the insert don't forget to turn identity_insert off
set identity_insert YourTable OFF
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How to model type-safe enum types?
... problems Schildmeijer mentioned. So do "object foo extends App { ... }" And you have immediate access to command-line arguments through the args variable.
– AmigoNico
Jul 25 '12 at 2:55
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Python Dictionary Comprehension
...to add keys to an existing dictionary. Also, you have to specify the keys and values, although of course you can specify a dummy value if you like.
>>> d = {n: n**2 for n in range(5)}
>>> print d
{0: 0, 1: 1, 2: 4, 3: 9, 4: 16}
If you want to set them all to True:
>>>...
sed command with -i option failing on Mac, but works on Linux
I've successfully used the following sed command to search/replace text in Linux:
12 Answers
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How to sort in mongoose?
... Francisco Presencia. Unfortunately the highest voted answers are outdated and unnecessarily long.
– iwein
Aug 5 '15 at 6:28
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Can we define implicit conversions of enums in c#?
...es, declared names, etc, etc.
I wrote a base class (RichEnum<>) to handle most fo the grunt work, which eases the above declaration of enums down to:
public sealed class AccountStatus : RichEnum<byte, AccountStatus>
{
public static readonly AccountStatus Open = new AccountStatus(1)...
How to force LINQ Sum() to return 0 while source collection is empty
...his be possible in the query itself - I mean rather than storing the query and checking query.Any() ?
6 Answers
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Easiest way to toggle 2 classes in jQuery
If I have class .A and class .B and want to switch in between on button click, what's a nice solution for that in jQuery? I still don't understand how toggleClass() works.
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Set padding for UITextField with UITextBorderStyleNone
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Using ARC, why does my app hang and use a lot of CPU if I reuse *paddingView with multiple text fields?
– The Muffin Man
Nov 27 '13 at 17:03
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