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如何获取IE (控件)的所有链接（包括Frameset, iframe） - C/C++ - 清泛网 -...
...HTMLWindow2 -> IID_IWebBrowserApp -> IHTMLWindow2 绕过了限制。
// Converts a IHTMLWindow2 object to a IHTMLDocument2. Returns NULL in case of failure.
// It takes into account accessing the DOM across frames loaded from different domains.
CComQIPtr<IHTMLDocument2> HtmlWindowToHtmlDocument...
优惠券批量生成及导入的思路 - 闲聊区 - 清泛IT论坛，有思想、有深度
... mt_rand(0, PHP_INT_MAX);
$m = base_convert($m, 10, 36); // 主随机
$n = base_convert($n, 10, 36); // 辅随机
$r = substr($m . $n, 0, 16);
} whi...
自定义下载器扩展：个性化下载进度展示 - App Inventor 2 拓展 - 清泛IT社...
...et the current download ID.
Cancel all ongoing downloads.
This block converts the bytes into KB and MB automatically, You can use own calculation for converting bytes into big units.
Get the downloaded size for a specific download ID.
These blocks pause/resume/cancel the download for giv...
How do you select a particular option in a SELECT element in jQuery?
...
A selector to get the middle option-element by value is
$('.selDiv option[value="SEL1"]')
For an index:
$('.selDiv option:eq(1)')
For a known text:
$('.selDiv option:contains("Selection 1")')
EDIT: As commented above t...
“query function not defined for Select2 undefined error”
Trying to use Select2 and getting this error on multiple item input/text field:
13 Answers
...
How to encrypt/decrypt data in php?
... using BINARY or VARBINARY columns. If this is not an option, you can also convert the binary data into a textual representation using base64_encode() or bin2hex(), doing so requires between 33% to 100% more storage space.
Decryption
Decryption of the stored values is similar:
function pkcs7_unpa...
What do numbers using 0x notation mean?
...omplement- a clever way that does not require '-' sign. So, it's basically converting from binary to hex, negative or positive.
– Shuvo Sarker
Mar 6 at 21:05
...
Timer function to provide time in nano seconds using C++
...e for the clock period. This constant only comes into play if you want to convert the number of clock ticks into some real-time unit such as nanoseconds. And in that case, the more accurate you are able to supply the clock speed, the more accurate will be the conversion to nanoseconds, (millisecon...
CSS disable text selection
Currently, I have put this in the body tag to disable text selections:
9 Answers
9
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How can I set the default value for an HTML element?
I thought that adding a "value" attribute set on the <select> element below would cause the <option> containing my provided "value" to be selected by default:
...