大约有 20,000 项符合查询结果（耗时：0.0180秒） [XML]
求助！关于拓展模块NotificationStyle的demo运行时报错的问题 - App Invent...
我使用的是demo程序进行测试，拓展程序链接：
https://www.fun123.cn/reference/extensions/NotificationStyle.html
结果无论点什么按键都会报错：
edu.mit.appinventor.aicompanion3: Targeting S+ (version 31 and above) requires that one of FLAG_IMMUTABLE or FLAG_MUTABLE be...
What is the best way to compute trending topics or tags?
... Addition
Normal z-scores as discussed above do not take into account the order of the data and hence the z-score for an observation of '1' or '9' would have the same magnitude against the sequence [1, 1, 1, 1, 9, 9, 9, 9]. Obviously for trend finding, the most current data should have more weight ...
How do I check if a string contains a specific word?
...g_match 1.5 seconds to finish and for strpos it took 0.5 seconds.
Edit:
In order to search any part of the string, not just word by word, I would recommend using a regular expression like
$a = 'How are you?';
$search = 'are y';
if(preg_match("/{$search}/i", $a)) {
echo 'true';
}
The i at the en...
file_put_contents - failed to open stream: Permission denied
... The webserver does not need to have the permission to execute the file in order to change its content. Those write permissions should only be given to files in that directory.
All other users should not be given any permission.
For directories that do not require to change its files are group per...
Link to “pin it” on pinterest without generating a button
...ription}" class="pin-it-button" count-layout="horizontal">
<img border="0" src="//assets.pinterest.com/images/PinExt.png" title="Pin It" />
</a>
If using the JavaScript versions of sharing buttons are ruining your page load times, you can improve your site by using asynchronous ...
A better similarity ranking algorithm for variable length strings
...h level of similarity between the strings.
A robustness to changes of word order - two strings which contain the same words, but in a different order, should be recognised as being similar. On the other hand, if one string is just a random anagram of the characters contained in the other, then it sh...
Get Image Height and Width as integer values?
...
Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
...
Are PHP include paths relative to the file or the calling code?
I'm having trouble understanding the ruleset regarding PHP relative include paths. If I run file A.PHP- and file A.PHP includes file B.PHP which includes file C.PHP, should the relative path to C.PHP be in relation to the location of B.PHP, or to the location of A.PHP? That is, does it matter whic...
What is cURL in PHP?
...bout it (and most other extensions) can be found in the PHP manual.
In order to use PHP's cURL functions
you need to install the » libcurl
package. PHP requires that you use
libcurl 7.0.2-beta or higher. In PHP
4.2.3, you will need libcurl version 7.9.0 or higher. From PHP 4.3.0, you wi...
C++并发编程（中文版） - 文档下载 - 清泛网 - 专注C/C++及内核技术
...28
第3章 在线程间共享数据… 29
3.1 线程之间共享数据的问题… 29
3.1.1 竞争条件… 31
3.1.2 避免有问题的竞争条件… 31
3.2 用互斥元保护共享数据… 32
3.2.1 使用C++中的互斥元… 32
3.2.2 用于保护共享数据的结构化代码… 33
3.2.3...