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@ variables in Ruby on Rails
...ariable as if it were local (i.e. "options.merge()"). Is this just bad form? Is there some other syntactic magic going in? (i.e. like making silent dup of variable, or making it 'const' so that it can't be modified, etc)? I'm coming from a C/C++ & Java perspective, and the really vague and...
How do I perform an IF…THEN in an SQL SELECT?
How do I perform an IF...THEN in an SQL SELECT statement?
30 Answers
30
...
Why don't they teach these things in school? [closed]
...elopers should learn, this agreement is based on personal experience and informal reasoning. In order to be a socially accepted "best practice", we need quantitative data which can be very expensive to gather: how much does version control help? How does it help? Unit testing? We can reason abou...
Textarea to resize based on content length [duplicate]
... want to go down the mootools or jquery route because I have a lightweight form.
9 Answers
...
What does ':' (colon) do in JavaScript?
...f jquery uses it for this purpose).
the ternary operator is an expression form (expressions return a value) of an if/then statement. it's used like this:
var result = (condition) ? (value1) : (value2) ;
A ternary operator could also be used to produce side effects just like if/then, but this is ...
How can I rename a field for all documents in MongoDB?
...}. You need the multi:true to update all your records.
Or you can use the former way:
remap = function (x) {
if (x.additional){
db.foo.update({_id:x._id}, {$set:{"name.last":x.name.additional}, $unset:{"name.additional":1}});
}
}
db.foo.find().forEach(remap);
In MongoDB 3.2 you can also...
Are PHP functions case sensitive?
... Note: Function names are
case-insensitive, though it is usually
good form to call functions as they
appear in their declaration.
So, its looks like user-defined functions are not case-sensitive, there was a vote for making functions/objects under PHP5 case-sensitive.
...
Using Version Control for Home Development?
... been developing my personal and school
projects at home without using any form of revision control
software to handle my changes and whatnot.
...
Converting a string to int in Groovy
...teger
If you need to check whether the String can be converted before performing the conversion, use
String number = "66"
if (number.isInteger()) {
int value = number as Integer
}
Deprecation Update
In recent versions of Groovy one of the toInteger() methods has been deprecated. The follo...
disable textbox using jquery?
...
This thread is a bit old but the information should be updated.
http://api.jquery.com/attr/
To retrieve and change DOM properties such as the checked, selected,
or disabled state of form elements, use the .prop() method.
$("#radiobutt input[type=radi...