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How to encrypt/decrypt data in php?
...
Foreword
Starting with your table definition:
- UserID
- Fname
- Lname
- Email
- Password
- IV
Here are the changes:
The fields Fname, Lname and Email will be encrypted using a symmetric cipher, provided by OpenSSL,
The IV field will store the init...
What is a simple command line program or script to backup SQL server databases?
...tructure to access MSSQL databases. Here's a simple shell script to dump a table to a file:
#!/usr/bin/ksh
#
#.....
(
tsql -S {database} -U {user} -P {password} <<EOF
select * from {table}
go
quit
EOF
) >{output_file.dump}
...
jQuery Selector: Id Ends With?
...ture segments of a title, such as if ID appeard as "masterPage1_Control0_MyTableName_moreStuff" in View Source, I could lock onto the my table of <asp:Table ID="MyTable" ... by using $("id*=MyTable]"). Come to think of it, I like id$ better. Hmmm...
– Lukas
...
text-overflow:ellipsis in Firefox 4? (and FF5)
...head>
<!-- CSS setting the width of the DIV elements for the table columns. Assume that these widths could change. -->
<style type="text/css">
.div1 { overflow: hidden; white-space: nowrap; width: 80px; }
.div2 { overflow: hidden; white-space:...
Align contents inside a div
...s to work in IE6, you need to make sure Standards Mode is on by using a suitable DOCTYPE.
If you really need to support IE5/Quirks Mode, which these days you shouldn't really, it is possible to combine the two different approaches to centering:
<div style="text-align: center">
<div st...
Undefined reference to `sin` [duplicate]
...As a result, you can compile your .o object files, but not build your executable.
As Paul has already mentioned add "-lm" to link with the math library in the step where you are attempting to generate your executable.
In the comment, linuxD asks:
Why for sin() in <math.h>, do we need -lm...
Is there a way to auto expand objects in Chrome Dev Tools?
...
Consider using console.table().
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How to list all methods for an object in Ruby?
..._of", "execute_simple_calculation", "attr_protected",
"reflections", "table_name_prefix", ...
Note that methods is a method for Classes and for Class instances.
Here's the methods that my User class has that are not in the ActiveRecord base class:
>> User.methods - ActiveRecord::Base...
SQL : BETWEEN vs =
...r a range. This is especially true if you have similar field names in your table.
If, say, our table has both a transactiondate and a transitiondate, if I read
transactiondate between ...
I know immediately that both ends of the test are against this one field.
If I read
transactiondate>='2...
How can the Euclidean distance be calculated with NumPy?
... description here: stats.stackexchange.com/questions/322620/… . I have 2 tables of 'operations'; each has a 'code' label, but the two sets of labels are totally different. my goal is to find the best or closest code from the second table corresponding to a fixed code in the first (I know what the ...