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Can multiple different HTML elements have the same ID if they're different elements?
... be met and any feature relying on those expectations will fail.
Some javascript libraries do have expectations that are not met when multiple elements have the same ID (see wootscootinboogie's comment about d3.js)
Conclusion
It's best to stick to the standards, but if you know your code works as...
MySQL Database won't start in XAMPP Manager-osx
...lications/XAMPP/xamppfiles/bin/mysql.server start ? Or can the manager-osx script be corrected?
– auspicious99
Jan 29 '15 at 11:27
7
...
How can I check whether a radio button is selected with JavaScript?
...Female" value="Female" />
For client-side validation, here's some Javascript to check which one is selected:
if(document.getElementById('gender_Male').checked) {
//Male radio button is checked
}else if(document.getElementById('gender_Female').checked) {
//Female radio button is checked
}
...
Repeat command automatically in Linux
...ound. But you need to find the process id with command "ps -ef | grep your_script" then you need to kill it. So kindly add the '&' when you running the script.
# ./while_check.sh &
Here is the same loop as a script. Create file "while_check.sh" and put this in it:
#!/bin/bash
while true;...
Reconnection of Client when server reboots in WebSocket
...
When the server reboots, the Web Socket connection is closed, so the JavaScript onclose event is triggered. Here's an example that tries to reconnect every five seconds.
function start(websocketServerLocation){
ws = new WebSocket(websocketServerLocation);
ws.onmessage = function(evt) { al...
Replace comma with newline in sed on MacOS?
...
This is the only solution that works in a sed script.
– Firstrock
May 12 '14 at 19:12
6
...
How can I exclude all “permission denied” messages from “find”?
...on denied' >&3; } 3>&2 2>&1
In short: Custom file descriptor 3 is used to temporarily swap stdout (1) and stderr (2), so that error messages alone can be piped to grep via stdout.
Without these redirections, both data (file paths) and error messages would be piped to grep via...
Appropriate hashbang for Node.js scripts
I'm trying to create a script for node.js that will work in multiple environments. Particularly for me, I'm switching back and forth between OS X and Ubuntu. In the former, Node is installed as node , but in the latter it is nodejs . At the top of my script, I can have:
...
URL Encoding using C#
...ocks majority of xss in url as you get warning when ever you try to add js script A potentially dangerous Request.Path value was detected from the client.
– Learning
Sep 2 '18 at 4:39
...
How to select different app.config for several build configurations
...guration>
In Visual Studio you can have something like this
3. Use scripting files outside Visual Studio
Each build tool (like NAnt, MSBuild) will provide capabilities to transform config file depending on the configuration. This is useful if you build your solution on a build machine, wher...