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Best Practice: Access form elements by HTML id or name attribute?
...theField) {
if (theField.value > theField.form.maxWeight.value) {
alert ("The weight value " + theField.value + " is larger than the limit");
return false;
}
return true;
}
In this case, the function never has to know the name or id of a particular weight field, though it does need ...
What is “callback hell” and how and why does RX solve it?
... that explains what is a "callback hell" for someone who does not know JavaScript and node.js ?
8 Answers
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Vim and Ctags tips and tricks [closed]
...ve to generate (and periodically update) the database. I use the following script
select_files > cscope.files
ctags -L cscope.files
ctags -e -L cscope.files
cscope -ub -i cscope.files
Where 'select_files' is another script that extracts the list of C and header files from the Makefile. This wa...
Bash script error [: !=: unary operator expected
In my script I am trying to error check if the first and only argument is equal to -v but it is an optional argument. I use an if statement but I keep getting the unary operator expected error.
...
Quick easy way to migrate SQLite3 to MySQL? [closed]
...OINCREMENT, MySQL uses AUTO_INCREMENT
Here is a very basic hacked up perl script which works for my dataset and checks for many more of these conditions that other perl scripts I found on the web. Nu guarantees that it will work for your data but feel free to modify and post back here.
#! /usr/bin/...
jQuery Datepicker onchange event issue
...i.css" rel="stylesheet" />
<input type='text' class='date'>
<script src="http://code.jquery.com/jquery-1.8.3.min.js"></script>
<script src="http://code.jquery.com/ui/1.9.2/jquery-ui.js"></script>
Unfortunately, onSelect fires whenever a date is selected, ev...
How do I make a splash screen?
... of time when your app starts for e.g. branding reasons. E.g. you might choose to show the splash screen for 3 seconds. However if you want to show the spash screen for a variable amount of time (e.g. app startup time) you should check out Abdullah's answer https://stackoverflow.com/a/15832037/40102...
How to programmatically empty browser cache?
...those when you press "log out". This would happen either via server or JavaScript. Of course, using the software on foreign/public computer is still discouraged as there are more dangers like key loggers that you just can't defeat on software level.
...
Windows batch script launch program and exit console
I have a batch script that I use to launch a program, such as notepad.exe . When I double click on this batch file, notepad starts normally, but the black window of the cmd who launched notepad.exe remains in the background. What do I have to do in order to launch notepad.exe and make the cmd...
How do you use variables in a simple PostgreSQL script?
...'ll be able to use this is anything that is piped through to psql.. or any script that psql reads...
– Evan Carroll
Nov 1 '16 at 17:59
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