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Regex for numbers only
I haven't used regular expressions at all, so I'm having difficulty troubleshooting. I want the regex to match only when the contained string is all numbers; but with the two examples below it is matching a string that contains all numbers plus an equals sign like "1234=4321". I'm sure there's a way...
How random is JavaScript's Math.random?
...n Google for "random number generator" and has been used to decide dozens, if not hundreds of contests and drawings on discussion forums and blogs (I know because I see the referrers in my web logs and usually go take a look).
...
How do I hide the status bar in a Swift iOS app?
...lly should implement prefersStatusBarHidden on your view controller(s):
Swift 3 and later
override var prefersStatusBarHidden: Bool {
return true
}
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What's the point of 'meta viewport user-scalable=no' in the Google Maps API
...(such as the iPhone), it prevents the user from using the browser's zoom. If you have a map and the browser does the zooming, then the user will see a big ol' pixelated image with huge pixelated labels. The idea is that the user should use the zooming provided by Google Maps. Not sure about any i...
Difference between Destroy and Delete
What is the difference between
6 Answers
6
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How to count total lines changed by a specific author in a Git repository?
...s there a command I can invoke which will count the lines changed by a specific author in a Git repository? I know that there must be ways to count the number of commits as Github does this for their Impact graph.
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Django connection to PostgreSQL: “Peer authentication failed”
...tead of using unix sockets, you use TCP connections. From django docs:
If you’re using PostgreSQL, by default (empty HOST), the connection to
the database is done through UNIX domain sockets (‘local’ lines in
pg_hba.conf). If you want to connect through TCP sockets, set HOST to
‘lo...
jQuery OR Selector?
I am wondering if there is a way to have "OR" logic in jQuery selectors. For example, I know an element is either a descendant of an element with class classA or classB, and I want to do something like elem.parents('.classA or .classB') . Does jQuery provide such functionality?
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How to compare binary files to check if they are the same?
...siest way (using a graphical tool or command line on Ubuntu Linux) to know if two binary files are the same or not (except for the time stamps)? I do not need to actually extract the difference. I just need to know whether they are the same or not.
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How to extract the substring between two markers?
...port re
text = 'gfgfdAAA1234ZZZuijjk'
m = re.search('AAA(.+?)ZZZ', text)
if m:
found = m.group(1)
# found: 1234
or:
import re
text = 'gfgfdAAA1234ZZZuijjk'
try:
found = re.search('AAA(.+?)ZZZ', text).group(1)
except AttributeError:
# AAA, ZZZ not found in the original string
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