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How to open a file for both reading and writing?
...riting any existing data), without closing and reopening:
with open(filename, "r+") as f:
data = f.read()
f.seek(0)
f.write(output)
f.truncate()
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Android: How to Programmatically set the size of a Layout
As part of an Android App I am building a button set. The buttons are part of a nested set of LinearLayouts. Using weight I have the set resizing itself automatically based on the size of the containing parent LinearLayout. The idea is, based on the pixel count and density of the screen, to set the ...
how can I see what ports mongo is listening on from mongo shell?
If I have a mongo instance running, how can I check what port numbers it is listening on from the shell? I thought that db.serverStatus() would do it but I don't see it. I see this
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What is the “realm” in basic authentication
I'm setting up basic authentication on a php site and found this page on the php manual showing the set up. What does "realm" mean here in the header?
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How do you turn off version control in android studio?
I set up my Github with android studio, everything worked fine, the problem now is though, that I can't seem to turn off, or get out of version control to use the IDE normally again.
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Generate all permutations of a list without adjacent equal elements
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This is along the lines of Thijser's currently incomplete pseudocode. The idea is to take the most frequent of the remaining item types unless it was just taken. (See also Coady's implementation of this algorithm.)
import collections
import heapq
class Sentinel:
pass
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Difference between \A \z and ^ $ in Ruby regular expressions
In the documentation I read:
4 Answers
4
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What does && mean in void *p = &&abc;
I came across a piece of code void *p = &&abc; . What is the significance of && here?
I know about rvalue references but I think && used in this context is different. What does && indicate in void *p = &&abc; ?
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How can I access a JavaScript object which has spaces in the object's key?
I have a JavaScript object that looks something like this:
5 Answers
5
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Why Collections.sort uses merge sort instead of quicksort?
We know that quick sort is the fastest sorting algorithm.
1 Answer
1
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