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Difference between Hashing a Password and Encrypting it
...rrence of collisions. You can attack a secure hash by the use of a rainbow table, which you can counteract by applying a salt to the hash before storing it.
Encrypting is a proper (two way) function. It's reversible, you can decrypt the mangled string to get original string if you have the key.
Th...
SortedList, SortedDictionary and Dictionary
...e original question, it should be noted that if you choose between the Immutable versions of these dictionaries, that the Sorted versions are often actually faster by some 40-50% than the non-sorted counterparts (still O(log(n)), but noticeably faster per op). The timings may differ depending on how...
What is the meaning of the CascadeType.ALL for a @ManyToOne JPA association
... to the persistence provider that the join column should be in the ADDRESS table.
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Display string as html in asp.net mvc view
...ripped out, with just the non-tag content remaining. I particularly had a table with a missing opening table tag, and then all my html tags from the entire string where ripped out completely.
So, if the above doesn't work, and you're still scratching your head, then also check you html for being v...
MySQL ERROR 1045 (28000): Access denied for user 'bill'@'localhost' (using password: YES)
... When a client attempts to connect, the server looks through the rows [of table mysql.user] in sorted order.
The server uses the first row that matches the client host name and user name.
(...)
The server uses sorting rules that order rows with the most-specific Host values first.
Lit...
Can I use complex HTML with Twitter Bootstrap's Tooltip?
..."
data-toggle="tooltip"
data-html="true"
data-title="<table><tr><td style='color:red;'>complex</td><td>HTML</td></tr></table>"
>
hover over me to see HTML
</span>
JSFiddle demos:
Bootstrap 2.x
Bootstrap 3.x
...
Unique combination of all elements from two (or more) vectors
...
Missing in this r-faq overview is the CJ-function from the data.table-package. Using:
library(data.table)
CJ(a, b, unique = TRUE)
gives:
a b
1: ABC 2012-05-01
2: ABC 2012-05-02
3: ABC 2012-05-03
4: ABC 2012-05-04
5: ABC 2012-05-05
6: DEF 2012-05-01
7: DEF 2012-0...
What is “loose coupling?” Please provide examples
...imply modelled as dead data. in Database terms, all that is need here is a table CREATE TABLE entry (price INTEGER, quantity INTEGER)
– Jo So
Jul 9 '16 at 11:56
...
How do I catch a PHP fatal (`E_ERROR`) error?
...ace = print_r( debug_backtrace( false ), true );
$content = "
<table>
<thead><th>Item</th><th>Description</th></thead>
<tbody>
<tr>
<th>Error</th>
<td><pre&...
Datatype for storing ip address in SQL Server
...r, but still retain the code-reuse of a function is to use an iTVF (inline table-valued function) instead. Here's how the first function above (string to binary) can be re-written as an iTVF:
CREATE FUNCTION dbo.itvfBinaryIPv4(@ip AS VARCHAR(15)) RETURNS TABLE
AS RETURN (
SELECT CAST(
...