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HTML5 Email Validation
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@MichaelDeMutis: You can use the required attribute
– Midhun MP
Mar 22 '14 at 8:08
29
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Why doesn't this code simply print letters A to Z?
...id result within your range, the $i++ increments it to the next value in sequence), the next value will be 'aa'; and alphabetically, 'aa' is < 'z', so the comparison is never met
for ($i = 'a'; $i != 'aa'; $i++)
echo "$i\n";
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How to verify an XPath expression in Chrome Developers tool or Firefox's Firebug?
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Firefox (since version 75)
Since FF 75 it's possible to use raw xpath query without evaluation xpath expressions, see documentation for more info.
Firefox (prior version 75)
Either select "Web Console" from the Web Developer submenu in the
Firefox Menu (or Tools menu if you display the menu...
Rails and PostgreSQL: Role postgres does not exist
I have installed PostgreSQL on my Mac OS Lion, and am working on a rails app. I use RVM to keep everything separate from my other Rails apps.
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String slugification in Python
...fy import slugify
txt = "This is a test ---"
r = slugify(txt)
self.assertEquals(r, "this-is-a-test")
txt = "This -- is a ## test ---"
r = slugify(txt)
self.assertEquals(r, "this-is-a-test")
txt = 'C\'est déjà l\'été.'
r = slugify(txt)
self.assertEquals(r, "cest-deja-lete")
txt = 'Nín hǎo. ...
java.lang.NoClassDefFoundError: org/hamcrest/SelfDescribing
...le.com/p/hamcrest/downloads/detail?name=hamcrest-all-1.3.jar&can=2&q=
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REST APIs: custom HTTP headers vs URL parameters
When do you use custom HTTP headers in the request part of a REST API ?
8 Answers
8
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Linux command: How to 'find' only text files?
...ay to use find to find only non-binary files:
find . -type f -exec grep -Iq . {} \; -print
The -I option to grep tells it to immediately ignore binary files and the . option along with the -q will make it immediately match text files so it goes very fast. You can change the -print to a -print0 fo...
What is the --save option for npm install?
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You can also use -S, -D or -P which are equivalent of saving the package to an app dependency, a dev dependency or prod dependency. See more NPM shortcuts below:
-v: --version
-h, -?, --help, -H: --usage
-s, --silent: --loglevel silent
-q, --quiet: --loglevel warn
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#import using angle brackets < > and quote marks “ ”
...ting files in Objective-C. So far my observation has been that you use the quote marks "" for files in your project that you've got the implementation source to, and angle brackets <> when you're referencing a library or framework.
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