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How to do a non-greedy match in grep?
...is makes a match across multiline
.*? - matches any character, a number of times in a lazy way (minimal
match)
A (little) more complicated answer is:
(?s)<([a-z\-_0-9]+?) .*? model=BMW .*?>.*?</\1>
This will makes possible to match car1 and car2 in the following text
<car1 ... m...
How do cache lines work?
...which - for instance, on my Atom processor - brings in about 64 bytes at a time, whatever the size of the actual data being read.
...
How does a hash table work?
...ut into it again and again, it will keep spitting out the same number each time.
Ok, so that's basically how a hash table works.
Technical stuff follows.
First, there's the size of the number. Usually, the output of such a hash algorithm is inside a range of some large number, typically much larg...
Simple C example of doing an HTTP POST and consuming the response
...or(;;)
{
//
// Get chunks of the response 1023 at the time.
//
size = BIO_read(bio, buf, 1023);
//
// If no more data, then exit the loop
//
if(size <= 0)
{
break;
}
//
// Terminat...
Combine Date and Time columns using python pandas
...s in directly e.g. if you were using read_csv using parse_dates=[['Date', 'Time']].
Assuming these are just strings you could simply add them together (with a space), allowing you to apply to_datetime:
In [11]: df['Date'] + ' ' + df['Time']
Out[11]:
0 01-06-2013 23:00:00
1 02-06-2013 01:00:0...
Why is @font-face throwing a 404 error on woff files?
...
The answer to this post was very helpful and a big time saver. However, I found that when using FontAwesome 4.50, I had to add an additional configuration for woff2 type of extension also as shown below else requests for woff2 type was giving a 404 error in Chrome's Developer...
Why isn't the size of an array parameter the same as within main?
...
what if the size of the array is not available at coding time, but only available at run time? Is there any other way to calculate the size of the array without hard-coding its size?
– weefwefwqg3
Jan 30 '17 at 16:02
...
Create ArrayList from array
...ittedly, from an object-oriented perspective it is not very nice that many times you have to know the concrete implementation in order to use a collection - this was a pragmatic design choice in order to keep the framework simple.
– lbalazscs
Feb 22 '13 at 9:41...
How Do I Get the Query Builder to Output Its Raw SQL Query as a String?
...) "select * from "users""
["bindings"]=>
array(0) {
}
["time"]=>
string(4) "0.92"
}
}
(Thanks to Joshua's comment below.)
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Have the same README both in Markdown and reStructuredText
...
This can also throw a runtime error. In order to stay on a safe side I recommend to do try-except in the function.
– varepsilon
Jun 8 '14 at 11:21
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