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Show SOME invisible/whitespace characters in Eclipse
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AnyEdit
Scroll all the way down: http://andrei.gmxhome.de/anyedit/examples.html
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The modulo operation on negative numbers in Python
...nt result = (2 - N) % 7;
return result < 0 ? result + 7 : result;
(See http://en.wikipedia.org/wiki/Modulo_operator for how the sign of result is determined for different languages.)
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Call Javascript function from URL/address bar
...tml,<script>alert('hi');</script>
For more information visit: https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/Data_URIs
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Laravel Eloquent Sum of relation's column
...lder aggregates are seemingly available besides avg() that can be found at http://laravel.com/docs/queries#aggregates.
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Is it a good idea to index datetime field in mysql?
...for a variety of reasons including elimination of rows between conditions: http://dev.mysql.com/doc/refman/5.0/en/mysql-indexes.html
This makes your datetime column an excellent candidate for an index if you are going to be using it in conditions frequently in queries. If your only condition is BE...
Match whole string
...var pat = /\b(abc)\b/g;
console.log(str.match(pat));
Live example: http://jsfiddle.net/uu5VJ/
If the former solution works for you, I would advise against using it.
That means you may have something like the following:
var strs = ['abc', 'abc1', 'abc2']
for (var i = 0; i < strs.length...
Do sessions really violate RESTfulness?
...s such, to the client, a session cookie is exactly the same as any
other HTTP header based authentication mechanism, except that it uses
the Cookie header instead of the Authorization or some other
proprietary header.
By session cookies you store the client state on the server and so your re...
What is the most efficient way to store tags in a database?
... Tag_Title:text[]
For more info, see this excellent post by Josh Berkus:
http://www.databasesoup.com/2015/01/tag-all-things.html
There are more various options compared thoroughly for performance and the one suggested above is the best overall.
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Rails: Check output of path helper from console
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#=> "/posts/3"
app.posts_path
#=> "/posts"
app.posts_url
#=> "http://www.example.com/posts"
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Writing/outputting HTML strings unescaped
...ed by Dommer, I suggest you to also use AntiXSS library as suggested phill http://haacked.com/archive/2010/04/06/using-antixss-as-the-default-encoder-for-asp-net.aspx
It encodes almost all the possible XSS attack string.
sh...