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How to solve “Could not establish trust relationship for the SSL/TLS secure channel with authority”
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As a workaround you could add a handler to the ServicePointManager's ServerCertificateValidationCallback on the client side:
System.Net.ServicePointManager.ServerCertificateValidationCallback +=
(se, cert, chain, sslerror) =>
{
return tr...
How to get the first line of a file in a bash script?
I have to put in a bash variable the first line of a file. I guess it is with the grep command, but it is any way to restrict the number of lines?
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Cron job every three days
Is it possible to run a cronjob every three days? Or maybe 10 times/month.
11 Answers
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Nginx serves .php files as downloads, instead of executing them
...ital Ocean). I have a issue for install NGINX with PHP properly. I did a tutorial https://www.digitalocean.com/community/tutorials/how-to-install-linux-nginx-mysql-php-lemp-stack-on-ubuntu-14-04 but when I try to run some .php file it's just downloading it...
for example... http://5.101.99.123/in...
In where shall I use isset() and !empty()
...ats an empty string as TRUE , therefore isset() is not an effective way to validate text inputs and text boxes from a HTML form.
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Getting the last argument passed to a shell script
...act that for implicitly loops over the arguments if you don't tell it what to loop over, and the fact that for loop variables aren't scoped: they keep the last value they were set to.
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improv...
How to adjust an UIButton's imageSize?
How can I adjust the image size of the UIButton? I am setting the image like this:
16 Answers
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Hidden Features of JavaScript? [closed]
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You don't need to define any parameters for a function. You can just use the function's arguments array-like object.
function sum() {
var retval = 0;
for (var i = 0, len = arguments.length; i < len; ++i) {
retval += argu...
Side-by-side plots with ggplot2
I would like to place two plots side by side using the ggplot2 package , i.e. do the equivalent of par(mfrow=c(1,2)) .
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How to determine if a record is just created or updated in after_save
...een saved. But it is always false in the after_save hook. Is there a way to determine whether the record is a newly created record or an old one from update?
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