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How to empty/destroy a session in rails?
...if you want remove script-inserted key/value pairs (ex: Something inserted from a controller) and generate a new session. If you want reset only the key/value pairs you set, set those keys to nil.
– sargas
Apr 24 '14 at 22:33
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How can I produce an effect similar to the iOS 7 blur view?
I'm trying to replicate this blurred background from Apple's publicly released iOS 7 example screen:
12 Answers
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What guidelines for HTML email design are there? [closed]
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It's actually really hard to make a decent HTML email, if you approach it from a 'modern HTML and CSS' perspective.
For best results, imagine it's 1999.
Go back to tables for layout (or preferably - don't attempt any complex layout)
Be afraid of background images (they break in Outlook 2007 and...
CodeIgniter - accessing $config variable in view
...ften I need to access $config variables in views.
I know I can pass them from controller to load->view() .
But it seems excessive to do it explicitly.
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What are some resources for getting started in operating system development? [closed]
...w to create alternative OSs. There are likely books that are out of print from this era as well. You might be able to get the same information for free by looking up the indexes of those magazines (which are available on that site - click "index" near the magazine name) and then asking around for ...
Ignoring accented letters in string comparison
...mpareOptions.IgnoreNonSpace);
Here's a function that strips diacritics from a string:
static string RemoveDiacritics(string text)
{
string formD = text.Normalize(NormalizationForm.FormD);
StringBuilder sb = new StringBuilder();
foreach (char ch in formD)
{
UnicodeCategory uc = Char...
Relative paths based on file location instead of current working directory [duplicate]
...
This will make your shell script work independent of where you invoke it from. Each time you run it, it will be as if you were running ./cat.sh inside dir.
Note that this script only works if you're invoking the script directly (i.e. not via a symlink), otherwise the finding the current location ...
How to unzip a list of tuples into individual lists? [duplicate]
...zip(*l))
[(1, 3, 8), (2, 4, 9)]
The zip() function pairs up the elements from all inputs, starting with the first values, then the second, etc. By using *l you apply all tuples in l as separate arguments to the zip() function, so zip() pairs up 1 with 3 with 8 first, then 2 with 4 and 9. Those hap...
Sending files using POST with HttpURLConnection
...lained answer for this question! Thank you! BTW, I just found this article from the Android Developers Blog (android-developers.blogspot.com/2011/09/…) where they suggest using HTTPURLConnection over the Apache HTTPClient. Cheers!
– Andrés Pachon
Jan 18 '13 ...
How can I split a string with a string delimiter? [duplicate]
...ions.Regex("is Marco and");
var array = rx.Split("My name is Marco and I'm from Italy");
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