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How to list variables declared in script in bash?
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set will output the variables, unfortunately it will also output the functions defines as well.
Luckily POSIX mode only outputs the variables:
( set -o posix ; set ) | less
Piping to less, or redirect to where you want the options.
So to get the variab...
Using HTML in Express instead of Jade
...e solution is not clear to me. I have a small html website. I need node.js for the sending emails through my site using nodemailer. I have installed everything required. However, have to idea what should go in the app.js file to make my website run using express
– user2457956
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What does numpy.random.seed(0) do?
... that you want to debug, however, it can be very helpful to set the seed before each run so that the code does the same thing every time you run it.
To get the most random numbers for each run, call numpy.random.seed(). This will cause numpy to set the seed to a random number obtained from /dev/ur...
How do I include a file over 2 directories back?
...ex.php to include a file that is 2 directories back, but how do you do it for 3 directories back?
Does this make sense?
I tried .../index.php but it isn't working.
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Reading binary file and looping over each byte
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Reading a file byte-wise is a performance nightmare. This cannot be the best solution available in python. This code should be used with care.
– usr
Jul 6 '12 at 18:26
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@selector() in Swift?
...erns that in Objective-C make use of selectors work differently in Swift. (For example, use optional chaining on protocol types or is/as tests instead of respondsToSelector:, and use closures wherever you can instead of performSelector: for better type/memory safety.)
But there are still a number of...
linq where list contains any in list
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i was trying to use this query for search box, it searches any character in Person_Name column, i got this error :'DbIntersectExpression requires arguments with compatible collection ResultTypes' so i tried .StartWith, .EndsWith, .Contains from here it wo...
Insert, on duplicate update in PostgreSQL?
Several months ago I learned from an answer on Stack Overflow how to perform multiple updates at once in MySQL using the following syntax:
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How to prevent form resubmission when page is refreshed (F5 / CTRL+R)
I have a simple form that submits text to my SQL table. The problem is that after the user submits the text, they can refresh the page and the data gets submitted again without filling the form again. I could redirect the user to another page after the text is submitted, but I want users to stay on ...
Safely remove migration In Laravel
In Laravel, there appears to be a command for creating a migration, but not removing.
9 Answers
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