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Auto increment primary key in SQL Server Management Studio 2012
...nd your table right click on your table and select design from dropdown.
Now go Column properties below of it scroll down and find Identity Specification, expand it and you will find Is Identity make it Yes. Now choose Identity Increment right below of it give the value you want to increment in it...
jQuery callback for multiple ajax calls
...the following will work or if you need to have your ajax calls fired at unknown times as shown here with two buttons: fired after both buttons are clicked
[usage]
for single callback once complete: Working Example
// initialize here
var requestCallback = new MyRequestsCompleted({
numRequest: ...
JSON serialization of Google App Engine models
...([(p, unicode(getattr(self, p))) for p in self.properties()])
SimpleJSON now works properly:
class Photo(DictModel):
filename = db.StringProperty()
title = db.StringProperty()
description = db.StringProperty(multiline=True)
date_taken = db.DateTimeProperty()
date_uploaded = db.Date...
JavaScript equivalent of PHP's in_array()
...
There is now Array.prototype.includes:
The includes() method determines whether an array includes a certain
element, returning true or false as appropriate.
var a = [1, 2, 3];
a.includes(2); // true
a.includes(4); // false
...
Pad a number with leading zeros in JavaScript [duplicate]
...(str.length < length)
str = padString + str;
return str;
}
Now test:
var str = "5";
alert(str.lpad("0", 4)); //result "0005"
var str = "10"; // note this is string type
alert(str.lpad("0", 4)); //result "0010"
DEMO
In ECMAScript 8 , we have new method padStart and padEnd which ha...
How do I check for C++11 support?
...ler
#endif
It is set to 199711L in Visual Studio 2010 SP1, but I do not know if vendors will be so bold to increase it already if they just have (partial) compiler-level support versus a standard C++ library with all the C++11 changes.
So Boost's defines mentioned in another answer remain the onl...
Purge or recreate a Ruby on Rails database
...
I know two ways to do this:
This will reset your database and reload your current schema with all:
rake db:reset db:migrate
This will destroy your db and then create it and then migrate your current schema:
rake db:drop db:...
How do I format a number with commas in T-SQL?
...
This is now the best answer since the introduction of the format function.
– mattmc3
Nov 23 '17 at 15:16
...
How is the default max Java heap size determined?
... @PaoloFulgoni no, another practical example I observe right now: 129 Gbytes of physical memory results in 32 Gbyte of max heap size
– Kirill
Jan 29 '19 at 15:56
...
Stash only one file out of multiple files that have changed with Git?
...p, I think the -p flag must mean "do the cool thing that I want but don't know how to express."
– Kyle Strand
May 23 '17 at 20:33
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