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How to create default value for function argument in Clojure
...imal "10")
;10
You could also create a "local default" using let:
(let [hex (partial string->integer 16)]
(* (hex "FF") (hex "AA")))
;43350
The partial function approach has one key advantage over the others: the consumer of the function can still decide what the default value will be rath...
How do I use Node.js Crypto to create a HMAC-SHA1 hash?
... key = 'abcdeg'
crypto.createHmac('sha1', key)
.update(text)
.digest('hex')
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Best way to serialize an NSData into a hexadeximal string
I am looking for a nice-cocoa way to serialize an NSData object into a hexadecimal string. The idea is to serialize the deviceToken used for notification before sending it to my server.
...
How can I convince IE to simply display application/json rather than offer to download it?
...lication/json]
"CLSID"="{25336920-03F9-11cf-8FD0-00AA00686F13}"
"Encoding"=hex:08,00,00,00
[HKEY_CLASSES_ROOT\MIME\Database\Content Type\text/json]
"CLSID"="{25336920-03F9-11cf-8FD0-00AA00686F13}"
"Encoding"=hex:08,00,00,00
Then double-click the .reg file. Restart IE. The new behavior you get w...
Illegal mix of collations MySQL Error
...found working is to do the string compare by converting the strings into a hexadecimal representation of it's characters. On the database this is done with HEX(column). For PHP you may use this function:
public static function strToHex($string)
{
$hex = '';
for ($i=0; $i<strlen($string);...
Set transparent background of an imageview on Android
...rkDasarp Not only from 01 to 99, as the rest of the numbers these are also hexadecimal so you can put anything from 00 to ff. For fifty percent transparent you should put 80 instead of 50, and for the others you have some basic calculations to do...
– Nemanja Kovacevic
...
How to Set Opacity (Alpha) for View in Android
... of a view, the format can be either #RRGGBB or #AARRGGBB, where AA is the hex alpha value. FF would be fully opaque and 00 would be full transparent.
Dynamically
If you need to dynamically alter the opacity in your code, use
myButton.getBackground().setAlpha(128); // 50% transparent
Where the...
Storing SHA1 hash values in MySQL
...= 20 character long field.
So I recommend you to use BINARY(20) and the UNHEX function to convert the SHA1 value to binary.
I compared storage requirements for BINARY(20) and CHAR(40).
CREATE TABLE `binary` (
`id` int unsigned auto_increment primary key,
`password` binary(20) not null
);
...
Selecting and manipulating CSS pseudo-elements such as ::before and ::after using jQuery
... I'm trying to dynamically set glyphicon values (i.e., via their hex values) in ::after psedo. content: element (e.g., content: "\e043";). it doesn't seem to work for me so I'm assuming it doesn't work for hex values for glyphicons either?
– user2101068
...
What is the correct JSON content type?
...
@XP84 You can open any binary with a text editor in HEX form. And all the different characters (the 16 of them) are 100% printable. So, by that logic... are all binaries text? Json is not text. Json is (warning: informal loose definition ahead) a text representation of an obje...