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Rest with Express.js nested router
... Very thorough answer! One question: for the sake of encapsulation and separation of knowledge between the user router and the item router is there a declarative way to specify that a subrouter requires a parameter? In other words, is there an explicit way to write the registration or access...
How to create a unique index on a NULL column?
...f uniques" -- NULL is a special value in SQL (similar in many ways to NaN) and needs to be treated accordingly. It's actually a failure in in SQL Server to honor various SQL specifications: here is a link for a request for the "correct implementation" for what it is worth: connect.microsoft.com/SQLS...
Cannot insert explicit value for identity column in table 'table' when IDENTITY_INSERT is set to OFF
... below error when I execute the following script. What is the error about, and how it can be resolved?
21 Answers
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Parse query string into an array
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You want the parse_str function, and you need to set the second parameter to have the data put in an array instead of into individual variables.
$get_string = "pg_id=2&parent_id=2&document&video";
parse_str($get_string, $get_array);
print_r($g...
Build vs new in Rails 3
...rm.client.new is creating a new Client object from the clients collection, and so it can automatically set the firm_id to some_firm.id, whereas the docs are calling Client.new which has no knowledge of any Firm's id at all, so it needs the firm_id passed to it.
The only difference between some_firm...
Contain form within a bootstrap popover?
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I would put my form into the markup and not into some data tag.
This is how it could work:
JS Code:
$('#popover').popover({
html : true,
title: function() {
return $("#popover-head").html();
},
content: function() {
return $("#pop...
How to add a primary key to a MySQL table?
...ion of mysql are you on? (NOTE: I know it worked at the time I posted this and I believe it was 5.6... but I can't remember for sure)
– MER
Jul 18 '18 at 17:23
1
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Select distinct using linq [duplicate]
... walks the entire enumerable forcing all of the work to be done up front. (And may take a little while if your enumerable is infinitely long.)
The flipside to this advice is that each time you enumerate such an IEnumerable the work to evaluate it has to be done afresh. So you need to decide for eac...
Another Repeated column in mapping for entity error
...lumn in the mapping. That means you mapped the same database column twice. And indeed, you have:
@Column(nullable=false)
private Long customerId;
and also:
@ManyToOne(optional=false)
@JoinColumn(name="customerId",referencedColumnName="id_customer")
private Customer customer;
(and the same goes...
Set value of hidden field in a form using jQuery's “.val()” doesn't work
... make sure yours are as this may contribute to any problems you're having, and specifying a more complicated selector just slows things down and doesn't look as neat.
Example at http://jsbin.com/elovo/edit, using your example code at http://jsbin.com/elovo/2/edit
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