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“Keep Me Logged In” - the best approach
...lution
A better solution would be
User is logged in and remember me is selected
Generate Token & signature and store in cookie
The tokens are random and are only valid for single autentication
The token are replace on each visit to the site
When a non-logged user visit the site the signa...
Reset/remove CSS styles for element only
...ion: unset;
user-focus: unset;
user-input: unset;
user-modify: unset;
user-select: unset;
vector-effect: unset;
vertical-align: unset;
visibility: unset;
white-space: unset;
width: unset;
will-change: unset;
window-dragging: unset;
word-break: unset;
word-spacing: unset;
word-wrap: unset;
writing-mo...
How to limit setAccessible to only “legitimate” uses?
...his via source-code analysis tools; e.g. custom pmd or findbugs rules. Or selective code review of code identified by (say) grep setAccessible ....
In response to the followup
None of my classes have any semblance of enforceable privacy what-so-ever. The singleton pattern (putting doubts abou...
When to use Storyboard and when to use XIBs
...ryboards inherently still have flaws, I revise my advice from don't use to selectively use where it makes sense.
Even now that iOS 9 is out, I would advise against to use caution when deciding whether to use Storyboards. Here are my reasons:
Storyboards fail at runtime, not at compile time: You h...
Peak signal detection in realtime timeseries data
...lter(i) to std(filteredY(i-lag),...,filteredY(i));
end
Rules of thumb for selecting good parameters for your data can be found below.
Demo
The Matlab code for this demo can be found here. To use the demo, simply run it and create a time series yourself by clicking on the upper chart. The algorith...
boost::flat_map and its performance compared to map and unordered_map
...tion for these cases, using partial template specializations, or SFINAE to select algorithms according to traits of T.
About the flat map
Apparently the flat map is a sorted vector wrapper, like Loki AssocVector, but with some supplementary modernizations coming with C++11, exploiting move semanti...
PHP global in functions
... parameter.
function getCustomer($db, $id) {
$row = $db->fetchRow('SELECT * FROM customer WHERE id = '.$db->quote($id));
return $row;
}
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How do you clear the SQL Server transaction log?
... solution then please comment below
Right click on the database name.
Select Tasks → Shrink → Database
Then click OK!
I usually open the Windows Explorer directory containing the database files, so I can immediately see the effect.
I was actually quite surprised this worked! Normally I'v...
What is “rvalue reference for *this”?
...
If a class instance is not const, overload resolution will preferentially select the non-const version. If the instance is const, the user can only call the const version. And the this pointer is a const pointer, so the instance cannot be changed.
What "r-value reference for this` does is allow yo...
What is the advantage to using bloom filters?
...riefly tell the basics.
you initiate an empty bit array of length m
you select k different hash functions (the more independent the better)
if you want to add element, you calculate all the k hashes of this value and set the corresponding bits to 1
if you want to check if element exist, you also ...