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How can I validate a string to only allow alphanumeric characters in it?
...h typically is A-Z, a-z and 0-9). This answer allows local characters like åäö.
Update 2018-01-29
The syntax above only works when you use a single method that has a single argument of the correct type (in this case char).
To use multiple conditions, you need to write like this:
if (yourText....
How can I make Flexbox children 100% height of their parent?
...ndeed the best answer for this question.
– Øyvind Bråthen
Sep 12 '19 at 9:38
31
don't forget to...
Is there a difference between “==” and “is”?
...ption, but that said == None works too...
– Jean-François Fabre♦
Jul 24 '19 at 6:20
@Jean-FrançoisFabre Another ex...
Reliable method to get machine's MAC address in C#
...ies don't work across OS. Any ideas? I have been scraping the output of "ipconfig /all" but this is terribly unreliable as the output format differs on every machine.
...
Set EditText Digits Programmatically
...gramatically. Reason for this is because I want to reuse one layout in multiple situations as this digits is the only variable that changes constantly. Doing it in code is much more effective in my situation.
– ryandlf
Sep 4 '11 at 16:25
...
Search of table names
...
Includes views too :-)
– François Breton
Nov 2 '17 at 15:46
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Python's “in” set operator
...(a) == hash(b); a is b; a in set([b]) instead.
– Philipp
Jan 2 '12 at 21:35
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XMLHttpRequest cannot load file. Cross origin requests are only supported for HTTP
...
If you are doing something like writing HTML and Javascript in a code editor on your personal computer, and testing the output in your browser, you will probably get error messages about Cross Origin Requests. Your browser will render HTML and run Javascript, jQuery, angularJs in...
Download the Android SDK components for offline install
...tory/repository-7.xml
Search for <sdk:url>**android-2.3.1_r02-linux.zip**</sdk:url> under the api version which you want to download. This is the file name which you have to download. to download this file you have to type following URI in any downloader or browser and it will start dow...
How do you validate a URL with a regular expression in Python?
... = 1*[ lowalpha | digit | "+" | "-" | "." ]
schemepart = *xchar | ip-schemepart
; URL schemeparts for ip based protocols:
ip-schemepart = "//" login [ "/" urlpath ]
login = [ user [ ":" password ] "@" ] hostport
hostport = host [ ":" port ]
host = hostname | ho...