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Email Address Validation in Android on EditText [duplicate]
... target) {
return (!TextUtils.isEmpty(target) && Patterns.EMAIL_ADDRESS.matcher(target).matches());
}
Kotlin:
fun CharSequence?.isValidEmail() = !isNullOrEmpty() && Patterns.EMAIL_ADDRESS.matcher(this).matches()
Edit: It will work On Android 2.2+ onwards !!
Edit: Added miss...
How exactly does the callstack work?
...ng of how the low level operations of programming languages work and especially how they interact with the OS/CPU. I've probably read every answer in every stack/heap related thread here on Stack Overflow, and they are all brilliant. But there is still one thing that I didn't fully understand yet.
...
How do you add Boost libraries in CMakeLists.txt?
... it can also help to add this to your cmake file: ADD_DEFINITIONS( -DBOOST_ALL_NO_LIB ) otherwise you may run into stackoverflow.com/questions/28887680/…
– Stéphane
Jul 22 '15 at 16:08
...
Output first 100 characters in a string
...t greek[:10]
αβγδεζηθικ
If you want to run the above code as a script, put this line at the top
# -*- coding: utf-8 -*-
If your editor doesn't save in utf-8, substitute the correct encoding
share
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Finding out whether a string is numeric or not
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@KMGorbunov I don't think that NSCharacterSet is actually storing a backing set that contains every single character in the set. I suspect invertedSet is returning a class that wraps the set it was created form, and returns the opposite value for all queries. But I don't know f...
Get type of all variables
In R, I'd like to retrieve a list of global variables at the end of my script and iterate over them. Here is my code
6 Answ...
Programmatically get the version number of a DLL
Is it possible to get the version number programmatically from any .NET DLL?
10 Answers
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The Concept of 'Hold space' and 'Pattern space' in sed
... about!!
some junk, doesnt matter
some junk, doesnt matter
To me, an awk script to just get the lines with the hostname and the corresponding info line would take a bit more than what I'm able to do with sed:
sed -n '/Host:/{h}; /Info/{x;p;x;p;}' myfile.txt
output looks like:
Host: foo1
Info: ...
Node.js getaddrinfo ENOTFOUND
...
My issue was that within my nodejs script I was making a request to the wrong url and this error was thrown.
– Michael J. Calkins
Dec 12 '13 at 6:36
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How do I format a date in Jinja2?
...and print) the strftime() method in your template, for example
{{ car.date_of_manufacture.strftime('%Y-%m-%d') }}
Another, sightly better approach would be to define your own filter, e.g.:
from flask import Flask
import babel
app = Flask(__name__)
@app.template_filter()
def format_datetime(val...