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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...
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How to force file download with PHP

... exit() should be called at the end to avoid any potential problems (speaking from experience :-) – ykay says Reinstate Monica Aug 20 '19 at 10:51 ...
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Determining if a variable is within range?

... between? would need two parameters it would not allow range. – Manish Nagdewani Nov 16 '16 at 13:12 5 ...
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How to file split at a line number [closed]

... to do this on Windows and don't want to use Cygwin, this project provides all the needed utils as native win32 binaries - unxutils.sourceforge.net – Jonathon Hill Dec 30 '11 at 3:27 ...
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Techniques for Tracing Constraints

... and GHC complains could not deduce x ~ y for some x and y . You can usually throw GHC a bone and simply add the isomorphism to the function constraints, but this is a bad idea for several reasons: ...
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Can mustache iterate a top-level array?

...he'); var view = {test: 'div content', multiple : ['foo', 'bar'], multiple_2 : ['hello', 'world']}; var template = '<div>{{test}}</div><ul>{{#multiple}}<li>{{.}}</li>{{/multiple}}</ul><ul>{{#multiple_2}}<li>{{.}}</li>{{/multiple_2}}</ul>';...
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How often does python flush to a file?

...t size. A negative buffering means to use the system default, which is usually line buffered for tty devices and fully buffered for other files. If omitted, the system default is used. code: bufsize = 0 f = open('file.txt', 'w', buffering=bufsize) ...
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How to install latest version of git on CentOS 7.x/6.x

... You can use WANDisco's CentOS repository to install Git 2.x: for CentOS 6, for CentOS 7 Install WANDisco repo package: yum install http://opensource.wandisco.com/centos/6/git/x86_64/wandisco-git-release-6-1.noarch.rpm - or - yum install http://opensource.wandisco.com/ce...
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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...
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What's the Linq to SQL equivalent to TOP or LIMIT/OFFSET?

... Technically, the questioner asked for Linq to SQL, so VB is a viable assumption. That said, ALassek, i'm a c# guy myself and prefer your answer. :-) – David Alpert Oct 10 '08 at 16:51 ...