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How to make “if not true condition”?
...r by way of example:
In order to make sure data loggers are online a cron script runs every 15 minutes that looks like this:
#!/bin/bash
#
if ! ping -c 1 SOLAR &>/dev/null
then
echo "SUBJECT: SOLAR is not responding to ping" | ssmtp abc@def.com
echo "SOLAR is not responding to ping" | ...
Force browser to download image files on click
... This is actually a very nice solution for web-apps where Javascript is all around the place. Works only in Google Chrome (in my test setup), though.
– Pavel
Mar 13 '14 at 10:10
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How to prevent Node.js from exiting while waiting for a callback?
...ventEmitter.emit('myevent', {something: "Bla"})
});
The last thing in my script was the eventEmitter.on:
eventEmitter.on('myevent', function(myResult){
// I needed the result to be written to stdout so that the calling process could get it
process.stdout.write(JSON.stringify(myResult));
});
...
How to get visitor's location (i.e. country) using geolocation? [duplicate]
...rvice will know. or you write service yourself, but that's out of pure javascript scope.
– tishma
Nov 7 '14 at 22:56
1
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So, JSONP or CORS? [closed]
... the more "modern" solution and JSONP is more of a hack, turning data into scripts to bypass cross-domain restrictions. CORS does however, typically require more server-side configuration.
If you're using jQuery, I'm not sure where you're coming up with the idea that CORS is "much more friendly to ...
How to add a downloaded .box file to Vagrant?
...SSH into is configured to use password-based authentication. Vagrant can't script entering the password for you. If you're prompted for a password, please enter the same password you have configured in the Vagrantfile." whereas i didn't configure anything in the Vagrantfile. I am just using the Vagr...
Origin is not allowed by Access-Control-Allow-Origin
...there any security concerns with this? This answer, for example, says "JavaScript is limited by the "same origin policy" for security reasons, For example, a malicious script cannot contact a remote server and send sensitive data from your site."
– JohnK
Nov 2 ...
Loop through a date range with JavaScript
... nothing, Date is a global object developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/…
– Dmitri Pisarev
Jan 5 '19 at 7:24
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How to impose maxlength on textArea in HTML using JavaScript
... is: either FF or IE (I think it's FF) returns a different string when Javascript checks the "value" attribute than what it sends back to the server when the form is posted! It has something to do with how hard line breaks do/don't get a carriage return character inserted. It's easy to figure out wi...
How can Bash execute a command in a different directory context?
... current working directory is very important for running it correctly. The script affects the files that live inside the directory it is run within.
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