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Swift - How to convert String to Double
...matted numbers ($1,000.00) or formatted numbers (1,000). You don't always know how the user will enter numbers, so being able to support both is ideal with a group of if/let statements.
– Paul Solt
Oct 30 '18 at 12:37
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Set variable in jinja
I would like to know how can I set a variable with another variable in jinja. I will explain, I have got a submenu and I would like show which link is active. I tried this:
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error: default argument given for parameter 1
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Now it says: string Money::asString()' does not match any in class `Money'
– pocoa
Mar 30 '10 at 13:58
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+ operator for array in PHP?
...array("username"=>"John Doe");
$default_vars = array("username"=>"Unknown", "email"=>"no-reply@domain.com");
$config = $user_vars + $default_vars;
The $default_vars, as it suggests, is the array for default values.
The $user_vars array will overwrite the values defined in $default_vars.
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Should I delete the cgi-bin folder in a subdomain I just created?
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You can safely delete "cgi-bin" folder, it's hardly ever used nowadays
Also beware that when your server got some malware scripts scans different folders and then hides on folders like cgi-bin because they rarely are checked now.
I even wrote a script before that "monitors" different ...
How to get index of object by its property in JavaScript?
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If you're fine with using ES6. Arrays now have the findIndex function. Which means you can do something like this:
const index = Data.findIndex(item => item.name === 'John');
share
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How to prevent ifelse() from turning Date objects into numeric objects
...<- "Date"
str(dates)
At first this felt a little "hackish" to me. But now I just think of it as a small price to pay for the performance returns that I get from ifelse(). Plus it's still a lot more concise than a loop.
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How to split data into training/testing sets using sample function
...eed(101) # Set Seed so that same sample can be reproduced in future also
# Now Selecting 75% of data as sample from total 'n' rows of the data
sample <- sample.int(n = nrow(data), size = floor(.75*nrow(data)), replace = F)
train <- data[sample, ]
test <- data[-sample, ]
By using caTool...
Postgresql: password authentication failed for user “postgres”
... user as "postgres" and password "postgres", because it worked before. But now authentication is failed. I did it before a couple of times without this problem. What should I do? And what happens?
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How do I get the value of text input field using JavaScript?
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@GKislin Ah! I see. Nice that I didn't know about it. But after reading this, I am feeling reluctant to add this edit to the answer right now. Maybe someday later, I will add it with a warning to avoid it. One of all reasons for warning would be this. If you feel l...