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SmtpException: Unable to read data from the transport connection: net_io_connectionclosed
... the page for your account. That was my problem but everything is working now thanks to all the answers above.
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Notepad++ show open files on the left
...
I think the Window Manager plugin has now been integrated into Notepad++ (or at least the same functionality has). In Preferences -> General, check "Show" in the "Document List Panel" area. EDIT: And now I see that the next answer (which has many more votes) ...
++someVariable vs. someVariable++ in JavaScript
...crement the variable; the value of the expression is the original value"
Now when used as a standalone statement, they mean the same thing:
x++;
++x;
The difference comes when you use the value of the expression elsewhere. For example:
x = 0;
y = array[x++]; // This will get array[0]
x = 0;
y...
Too many 'if' statements?
...ne 1-digit base 4 number {0,1,2,3} -- 4 different values, also important.
Now, a 1-digit base 4 number can be expressed as a 2-digit base 2 number; {0,1,2,3} = {00,01,10,11}, and so each output can be encoded with only 2 bits. From above, there are only 16 different outputs possible, so 16*2 = 32...
Assignment in an if statement
...tion, but the alternatives usually involve code duplication, and when you know this pattern it's easy to get right.
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Rails: What's a good way to validate links (URLs)?
...alid hostname
http://host.foo
as well the following one
http://localhost
Now, let me give you some solutions.
If you want to validate a domain, then you need to forget about regular expressions. The best solution available at the moment is the Public Suffix List, a list maintained by Mozilla. I cr...
How can I obtain an 'unbalanced' grid of ggplots?
...with grid and thought I had it down but ended up failing (although looking now at the code in the function I cite below, I can see that I was really close ... :-)
The 'wq' package has a layOut function that will do it for you:
p1 <- qplot(mpg, wt, data=mtcars)
layOut(list(p1, 1:3, 1), # takes...
PHP random string generator
...ead. It also doesn't allow characters to repeat.
One more way.
UPDATED (now this generates any length of string):
function generateRandomString($length = 10) {
return substr(str_shuffle(str_repeat($x='0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ', ceil($length/strlen($x)) )...
Why is using “for…in” for array iteration a bad idea?
...mewhere deep in your JavaScript library...
Array.prototype.foo = 1;
// Now you have no idea what the below code will do.
var a = [1, 2, 3, 4, 5];
for (var x in a){
// Now foo is a part of EVERY array and
// will show up here as a value of 'x'.
console.log(x);
}
/* Will disp...
How do you scroll up/down on the Linux console?
...
In order to prevent the Matthew Effect, from now on I will try to upvote the second and correct answer to encourage ppl to answer the questions who already have a correct answer.
– WesternGun
Dec 13 '17 at 9:11
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