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Rotating a two-dimensional array in Python
... [4, 5, 6],
[7, 8, 9]
]
def rotated(array_2d):
list_of_tuples = zip(*array_2d[::-1])
return [list(elem) for elem in list_of_tuples]
# return map(list, list_of_tuples)
print(list(rotated(original)))
# [[7, 4, 1], [8, 5, 2], [9, 6, 3]]
The list comp or...
Specify an SSH key for git push for a given domain
I have the following use case: I would like to be able to push to git@git.company.com:gitolite-admin using the private key of user gitolite-admin , while I want to push to git@git.company.com:some_repo using 'my own' private key. AFAIK, I can't solve this using ~/.ssh/config , because the user...
Android – Listen For Incoming SMS Messages
... stub
if(intent.getAction().equals("android.provider.Telephony.SMS_RECEIVED")){
Bundle bundle = intent.getExtras(); //---get the SMS message passed in---
SmsMessage[] msgs = null;
String msg_from;
if (bundle != null){
...
How to get all properties values of a JavaScript Object (without knowing the keys)?
...nd val
}
Object.values shim
Finally, as noted in the comments and by teh_senaus in another answer, it may be worth using one of these as a shim. Don't worry, the following does not change the prototype, it just adds a method to Object (which is much less dangerous). Using fat-arrow functions, thi...
What is the difference between `throw new Error` and `throw someObject`?
I want to write a common error handler which will catch custom errors thrown on purpose at any instance of the code.
9 Answ...
How to use UIScrollView in Storyboard
I have a scroll view with content that is 1000px tall and would like to be able to lay it out for easy design on the storyboard.
I know it can be done programmatically but I really want to be able to see it visually. Every time I put a scroll view on a view controller it won't scroll. Is it possib...
angularjs directive call function specified in attribute and pass an argument to it
...the question does not. Or am i missing something?
– j_walker_dev
Oct 31 '14 at 10:09
From my tests using this code in ...
Difference between TCP and UDP?
...ails (holding them in memory) for two minutes, during a state known as TIME_WAIT_2. This is a feature which defends against erroneously repeated packets from a preceding connection being interpreted as part of a current connection. Maintaining TIME_WAIT_2 uses up kernel memory on the server. DNS ...
Adding a column to a data.frame
I have the data.frame below. I want to add a column that classifies my data according to column 1 ( h_no ) in that way that the first series of h_no 1,2,3,4 is class 1, the second series of h_no (1 to 7) is class 2 etc. such as indicated in the last column.
...
Why can't stash be applied to the working directory?
I cannot apply stash back to the working directory.
11 Answers
11
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