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Iterate a list as pair (current, next) in Python
...h a and b can traverse the original iterator independently - the izip function takes the two iterators and makes pairs of the returned elements, advancing both iterators at the same pace.
One caveat: the tee() function produces two iterators that can advance independently of each other, but it come...
How to dynamically change a web page's title?
...ching the view he's on. For most web-apps etc. it seems like a good sollution to keep using this. I might have overlooked a different function though?
– Mathijs Segers
Aug 7 '13 at 8:55
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How to convert an Stream into a byte[] in C#? [duplicate]
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Call next function like
byte[] m_Bytes = StreamHelper.ReadToEnd (mystream);
Function:
public static byte[] ReadToEnd(System.IO.Stream stream)
{
long originalPosition = 0;
if(stream.CanSeek)
{
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How to Generate unique file names in C#
...le threads/processes). This makes it not suitable for temp filename generation. Generating X..1..N may be suitable for user-facing tasks (ie. copy in Explorer), but is dubious for server work.
– user2864740
May 24 '18 at 16:57
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Can pandas automatically recognize dates?
...to be defined manually. In such a case you can also add a date parser function, which is the most flexible way possible.
Suppose you have a column 'datetime' with your string, then:
from datetime import datetime
dateparse = lambda x: datetime.strptime(x, '%Y-%m-%d %H:%M:%S')
df = pd.read_csv(infile...
$location / switching between html5 and hashbang mode / link rewriting
I was under the impression that Angular would rewrite URLs that appear in href attributes of anchor tags within tempaltes, such that they would work whether in html5 mode or hashbang mode. The documentation for the location service seems to say that HTML Link Rewriting takes care of the hashbang s...
How to recognize swipe in all 4 directions
...ight. But on swift UISwipeGestureRecognizer has predeterminate Right direction.. And I don't know how make this for use other directions..
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Distributed sequence number generation?
I've generally implemented sequence number generation using database sequences in the past.
13 Answers
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SQL Joins Vs SQL Subqueries (Performance)?
...ll with 100% certainty which is faster is to turn on performance tracking (IO Statistics is especially useful) and run them both. Make sure to clear your cache between runs!
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Learning Regular Expressions [closed]
I don't really understand regular expressions. Can you explain them to me in an easy-to-follow manner? If there are any online tools or books, could you also link to them?
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