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如何建立一套适合自己的高胜算交易系统 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...下轨永远都都在K线之下，出现小概率在之上，应该是抄底系统信号。通道的上轨永远都在K线之上，出现小概率在之下，应该是逃顶系统信号。——与布林线有同曲异工之妙。
强势追高，当指数形成中级行情的时候，才追高，...
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...
Maximum length for MD5 input/output
...fixed-length output of 128 bits, typically represented as a sequence of 32 hexadecimal digits.
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