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What exactly does stringstream do?
...ing streams.
ostringstream os;
os << "dec: " << 15 << " hex: " << std::hex << 15 << endl;
cout << os.str() << endl;
The result is dec: 15 hex: f.
istringstream is of more or less the same usage.
To summarize, stringstream is a convenient way to m...
How many bytes does one Unicode character take?
...g one Unicode char. Here is the rule for UTF-8 encoded strings:
Binary Hex Comments
0xxxxxxx 0x00..0x7F Only byte of a 1-byte character encoding
10xxxxxx 0x80..0xBF Continuation byte: one of 1-3 bytes following the first
110xxxxx 0xC0..0xDF First byte of a 2-byte character enco...
How can I sanitize user input with PHP?
...
Its not the only guaranteed way. Hex the input and unhex in query will prevent also. Also hex attacks are not possible if you use hexing right.
– Ramon Bakker
Feb 22 '16 at 15:50
...
Inline SVG in CSS
...und-image: url( data:image/svg+xml,%3Csvg%2....)
USE RGB() INSTEAD OF HEX colors Firefox does not like # in the SVG code. So you need to replace your color hex values with RGB ones.
NOT fill="#FF0000"
BUT fill="rgb(255,0,0)"
In my case I use SASS to convert a given hex to a valid rgb value...
How do you express binary literals in Python?
...cal definitions:
integer ::= decinteger | bininteger | octinteger | hexinteger
decinteger ::= nonzerodigit (["_"] digit)* | "0"+ (["_"] "0")*
bininteger ::= "0" ("b" | "B") (["_"] bindigit)+
octinteger ::= "0" ("o" | "O") (["_"] octdigit)+
hexinteger ::= "0" ("x" | "X") (["_"] hex...
varbinary to string on SQL Server
...on and converts it back to the varchar string. Gunjan's answer returns the hex representation as a string ('5468697320697320612074657374') Presumably this interpretation is correct for the OP's need as they accepted it.
– Martin Smith
Oct 18 '13 at 20:28
...
How to convert an image to base64 encoding?
... $bin_string = file_get_contents($_FILES["file"]["name"]);
$hex_string = base64_encode($bin_string);
$mysqli = mysqli_init();
if (!$mysqli->real_connect('localhost', 'root', '', 'arihant')) {
die('Connect Error (' . mysqli_connect_errno() . ') ' . mysql...
Simplest two-way encryption using PHP
...ge Example
$message = 'Ready your ammunition; we attack at dawn.';
$key = hex2bin('000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f');
$encrypted = UnsafeCrypto::encrypt($message, $key);
$decrypted = UnsafeCrypto::decrypt($encrypted, $key);
var_dump($encrypted, $decrypted);
Demo...
How can I get the iOS 7 default blue color programmatically?
...
And if you prefer hex: 0x007aff
– Jason Moore
Dec 12 '13 at 20:00
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Why declare unicode by string in python?
...for ü which is U+00FC. When the byte string was printed, Python sent the hex value 81 to the console directly. When the Unicode string was printed, Python correctly detected my console encoding as cp437 and translated Unicode ü to the cp437 value for ü.
Here's what happens with a file declared...