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How to dynamically create CSS class in JavaScript and apply?
I need to create a CSS stylesheet class dynamically in JavaScript and assign it to some HTML elements like - div, table, span, tr, etc and to some controls like asp:Textbox, Dropdownlist and datalist.
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Debugging sqlite database on the device
I am presently working on an WiFi application for Android. I am having trouble trying to access the database on the device. Debugging in the emulator doesn't work for me, because there is no WiFi support in the emulator. I tried pulling the database file out of the device by using
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How to get a pixel's x,y coordinate color from an image?
...ur PNG. The following creates an off-screen canvas that is the same width and height as your image and has the image drawn on it.
var img = document.getElementById('my-image');
var canvas = document.createElement('canvas');
canvas.width = img.width;
canvas.height = img.height;
canvas.getContext('2...
Create a custom event in Java
...dListener(responder);
initiater.sayHello(); // Prints "Hello!!!" and "Hello there..."
}
}
Related article: Java: Creating a custom event
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nginx - client_max_body_size has no effect
nginx keeps saying client intended to send too large body . Googling and RTM pointed me to client_max_body_size . I set it to 200m in the nginx.conf as well as in the vhost conf , restarted Nginx a couple of times but I'm still getting the error message.
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How can I calculate an md5 checksum of a directory?
...l files of a particular type ( *.py for example) placed under a directory and all sub-directories.
15 Answers
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How to convert Set to Array?
... out in an array
let array = [...mySet];
The old fashion way, iterating and pushing to a new array (Sets do have forEach)
let array = [];
mySet.forEach(v => array.push(v));
Previously, using the non-standard, and now deprecated array comprehension syntax:
let array = [v for (v of mySet)];
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No increment operator (++) in Ruby? [duplicate]
...now
" (archive, mirror)
That explains it better than I ever could.
EDIT: and the reason from the language author himself (source):
++ and -- are NOT reserved operator in Ruby.
C's increment/decrement operators are in fact hidden assignment. They affect variables, not objects. You cannot a...
Creating stored procedure and SQLite?
...built-in functions, stored procedures, esoteric SQL language features, XML and/or Java extensions, tera- or peta-byte scalability, and so forth
Source : Appropriate Uses For SQLite
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How to split csv whose columns may contain ,
...
Use the Microsoft.VisualBasic.FileIO.TextFieldParser class. This will handle parsing a delimited file, TextReader or Stream where some fields are enclosed in quotes and some are not.
For example:
using Microsoft.VisualBasic.FileIO;
string csv = "2,1016,7/31/2008 14:22,Geoff Dalgas,6/5/2011 2...