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jQuery UI Sortable, then write order into a database
...omising the id / name of the element. This code will get the list from asp.net server and then upon sorting only 2 values will be sent back: The db id of sorted element and db id of the element next to which it was dropped. Based on those 2 values, server can easily identify the new postion.
<di...
How to store a command in a variable in a shell script?
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eval is a huge bug magnet that should never be recommended without a warning about the risk of unexpected parsing behavior (even without malicious strings, as in @CharlesDuffy's example). For example, try x='echo $(( 6 * 7 ))' and then eval $x. Yo...
How do you check if a JavaScript Object is a DOM Object?
...nswer works for HTML well as SVG.
See it in action here: https://jsfiddle.net/eLuhbu6r/
function isElement(element) {
return element instanceof Element || element instanceof HTMLDocument;
}
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NGINX to reverse proxy websockets AND enable SSL (wss://)?
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for .net core 2.0 Nginx with SSL
location / {
# redirect all HTTP traffic to localhost:8080
proxy_pass http://localhost:8080;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header Host $host;
proxy_set_hea...
Ruby off the rails
...side Windows applications (wxRuby GUI) and scripts, automating Excel, Internet Explorer, SQL Server queries and report generation (win32ole COM automation). I also use the sqlite, pdf-writer, and gruff libraries for various data munging and graph generation tasks.
Rails' success has been great for ...
Facebook Android Generate Key Hash
...red sha1 key.
After you get the required SHA1 Key
Then goto
http://tomeko.net/online_tools/hex_to_base64.php
and paste your sha1 key
and finally you will get Required HashKey which you can use it to apply on facebook.
shar...
When would you use delegates in C#? [closed]
...A coworker just asked me this question - what's the point of delegates in .NET? My answer was very short and one that he had not found online: to delay execution of a method.
Source: LosTechies
Just like LINQ is doing.
sh...
Difference between freeze and seal
...or one, seal also makes existing properties non-configurable, see jsfiddle.net/btipling/6m743whn Number 2, you can still edit, that is change the values of existing properties on a sealed object.
– Bjorn
Aug 23 '14 at 23:02
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Remove duplicates from an array of objects in JavaScript
...Index(obj => JSON.stringify(obj) === JSON.stringify(object))); jsfiddle.net/x9ku0p7L/28
– Eydrian
Jul 18 '18 at 11:33
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What is /dev/null 2>&1?
...te and write, and either appending to or writing to /dev/null has the same net effect. I usually just use > for that reason.)
2>&1 redirects standard error (2) to standard output (1), which then discards it as well since standard output has already been redirected.
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