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How to add a new row to an empty numpy array
...ack
arr = np.array([])
arr = np.hstack((arr, np.array([1,2,3])))
# arr is now [1,2,3]
arr = np.vstack((arr, np.array([4,5,6])))
# arr is now [[1,2,3],[4,5,6]]
You also can use the np.concatenate function.
Cheers
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SVN (Subversion) Problem “File is scheduled for addition, but is missing” - Using Versions
...svn, "look, I added some files via my OS's default file manager, and right now, the stuff in this folder, is what I want the current state of this repo to be... now let it happen... don't tell me what I can and can't do with these files, but yes, keep track of it all for me."?
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Set a cookie to never expire
...r and get sent to the client as a time near zero. (This is happening right now for 25-year cookies on PHP.)
– Riking
Apr 11 '13 at 22:28
84
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Use tab to indent in textarea
I have a simple html textarea on my side. Right now if you click tab in it, it goes to the next field. I would like to make the tab button indent a few spaces instead. How can I do this? Thanks.
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How to disable XDebug
... apparently. You are right, xdebug is part of PHP, not a module of Apache. Now everything is running fine.
– Beto Aveiga
Jan 6 '12 at 9:21
1
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How do SO_REUSEADDR and SO_REUSEPORT differ?
...ver write code for a BSD system.
There are a couple of basics you should know before we look at these two options. A TCP/UDP connection is identified by a tuple of five values:
{<protocol>, <src addr>, <src port>, <dest addr>, <dest port>}
Any unique combination of t...
How to validate an e-mail address in swift?
Does anyone know how to validate an e-mail address in Swift? I found this code:
34 Answers
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SHA512 vs. Blowfish and Bcrypt [closed]
...ccur through an implementation flaw, not cryptanalysis.
If you insist on knowing which is "better", SHA-512 has had in-depth reviews by NIST and others. It's good, but flaws have been recognized that, while not exploitable now, have led to the the SHA-3 competition for new hash algorithms. Also, ke...
How to set a value of a variable inside a template code?
...rary()
@register.assignment_tag
def get_addressee():
return "World"
Now you may use the get_addressee template tag in your templates:
{% load hello_world %}
{% get_addressee as addressee %}
<html>
<body>
<h1>hello {{addressee}}</h1>
</body>
<...
NSUserDefaults - How to tell if a key exists
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I know this is old, but having only just now needed this information, I need to point out that the 'containsObject:' reference means just that: the object. NOT the key. IOW, in your header file if you've defined: #define kMyKey ...