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Origin null is not allowed by Access-Control-Allow-Origin

...t to a server from a local html file and found a solution using Chrome and PHP. (no Jquery) Javascripts: var x = new XMLHttpRequest(); if(x) x.onreadystatechange=function(){ if (x.readyState === 4 && x.status===200){ console.log(x.responseText); //Success }else{ ...
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Security of REST authentication schemes

...so recommend having a look at these excellent resources .. owasp.org/index.php/Web_Service_Security_Cheat_Sheet and owasp.org/index.php/REST_Security_Cheat_Sheet (DRAFT) – dodgy_coder Nov 19 '12 at 2:16 ...
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Test if executable exists in Python?

... example usage: from distutils import spawn php_path = spawn.find_executable("php") – codefreak Dec 3 '13 at 17:17 6 ...
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Echo equivalent in PowerShell for script testing

... PowerShell interpolates, does it not? In PHP echo "filesizecounter: " . $filesizecounter can also be written as: echo "filesizecounter: $filesizecounter" In PowerShell something like this should suit your needs: Write-Host "filesizecounter: $filesizecounter...
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Java String array: is there a size of method?

I come from a php background and in php, there is an array_size() function which tells you how many elements in the array are used. ...
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CORS Access-Control-Allow-Headers wildcard being ignored?

...r would be YES since the .htaccess is limiting the headers to the scripts (PHP, HTML, ...) and resources (.JPG, .JS, .CSS) served from the following "folder"-location. You optionally might want to remove the Access-Control-Allow-Methods lines. Also Connection, Time-Zone, Keep-Alive and DNT, Accept-R...
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Save PL/pgSQL output from PostgreSQL to a CSV file

... statement, because there is no way of connecting the input/output stream. PHP's PostgreSQL handler (not PDO) includes very basic pg_copy_from and pg_copy_to functions which copy to/from a PHP array, which may not be efficient for large data sets. ...
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开源MQTT网关:EMQX vs Mosquitto - 创客硬件开发 - 清泛IT社区,为创新赋能!

...底层传输协议 QUIC 的支持,以解决复杂网络环境下的通信问题,提升整体吞吐量和移动连接的稳定性。此外,EMQX 也扩展支持 MQTT-SN、CoAP、LwM2M、STOMP 以及其他协议扩展。安全性安全性对于物联网设备连接以及设备之间、设备与...
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Uploading both data and files in one form using Ajax?

...uery identifier. You can upload data and files with one form using ajax. PHP + HTML <?php print_r($_POST); print_r($_FILES); ?> <form id="data" method="post" enctype="multipart/form-data"> <input type="text" name="first" value="Bob" /> <input type="text" name="middl...
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What are the differences between vector and list data types in R?

... As someone who's just gotten into R, but comes from a C/Java/Ruby/PHP/Python background, here's how I think of it. A list is really an array + a hashmap. It's a PHP associative array. > foo = list(bar='baz') > foo[1] 'baz' > foo$bar 'baz' > foo[['bar']] 'baz' A vector is a f...