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Create unique constraint with null columns
... quote_ident() as they should and forget to pass identifiers as lower case strings now! Do not use mixed case identifiers in PostgreSQL, if you can avoid it. I have seen a number of desperate requests here stemming from this folly.
– Erwin Brandstetter
Nov 27 '...
Difference between val() and text()
...rText (not HTML) of all the matched elements:
.text()
The result is a string that contains
the combined text contents of all
matched elements. This method works on
both HTML and XML documents. Cannot be
used on input elements. For input
field text use the val attribute.
.val()
G...
How to convert View Model into JSON object in ASP.NET MVC?
... but never found Json.Encode and just used JavaScriptSerializer to add the string in the controller to the view model
– AaronLS
Aug 31 '12 at 23:14
5
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Convert a JSON String to a HashMap
I'm using Java, and I have a String which is JSON:
18 Answers
18
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The requested resource does not support HTTP method 'GET'
....Http.AcceptVerbs("GET", "POST")]
[System.Web.Http.HttpGet]
public string Auth(string username, string password)
{...}
The reason why it doesn't work is because you were using the attributes that are from the MVC namespace System.Web.Mvc. The classes in the System.Web.Http namespace ...
How do I copy a hash in Ruby?
...any object that can be marshalled. Most built-in data types (Array, Hash, String, &c.) can be marshalled.
Marshalling is Ruby's name for serialization. With marshalling, the object--with the objects it refers to--is converted to a series of bytes; those bytes are then used to create another o...
Logical operator in a handlebars.js {{#if}} conditional
...ars one thing that wasn't clear is that you have to pass the operator as a string or else the compiler will error out while tokenizing your template. {{#ifCond true '==' false}}
– Joe Holloway
Jul 11 '13 at 20:11
...
When should I use git pull --rebase?
...ebase. I do not use squash (to flatten commits), but I rebase to avoid the extra merge commits.
As your Git knowledge increases you find yourself looking a lot more at history than with any other version control systems I've used. If you have a ton of small merge commits, it's easy to lose focus o...
Reading a List from properties file and load with spring annotation @Value
...
Using Spring EL:
@Value("#{'${my.list.of.strings}'.split(',')}")
private List<String> myList;
Assuming your properties file is loaded correctly with the following:
my.list.of.strings=ABC,CDE,EFG
...
Strangest language feature
...st started using javascript using this sort of technique to add numbers in strings: "111" - -"222" gives 333 whereas "111" + "222" gives "111222".
– Callum Rogers
Jan 3 '10 at 16:03
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