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What is difference between instantiating an object using new vs. without
...ope, generally on the stack, which will be destroyed when its scope ends.
By contrast:
Time* t = new Time(12, 0, 0);
... allocates a block of memory by calling either ::operator new() or Time::operator new(), and subsequently calls Time::Time() with this set to an address within that memory bloc...
Azure SQL Database Bacpac Local Restore
...out of their way to make this a painful task, however, I was able to do it by doing the following:
Goto this link http://msdn.microsoft.com/en-us/jj650014 and install the SQL Server Data Tools for Visual Studio 2010
This will install on your local drive. In my case here is where it put it: C:\Pro...
Why is there no multiple inheritance in Java, but implementing multiple interfaces is allowed?
...
What do you mean by "attributes"?
– Bozho
Jul 22 '16 at 12:20
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show 4 more commen...
What 'sensitive information' could be disclosed when setting JsonRequestBehavior to AllowGet
... a malicious user could include your JSON in the context of their own site by using a script tag in the HTML. e.g. on www.evil.com:
<script src="http://www.example.com/User/GetUser/32"></script>
This JavaScript should be useless to www.evil.com because there should be no way of readi...
How to run a shell script on a Unix console or Mac terminal?
...utable (which is any file with executable permission); you just specify it by its path:
/foo/bar
/bin/bar
./bar
To make a script executable, give it the necessary permission:
chmod +x bar
./bar
When a file is executable, the kernel is responsible for figuring out how to execte it. For non-bin...
How to get HTML 5 input type=“date” working in Firefox and/or IE 10
... This does not work on IE10...i get the same error as mentioned by @Shavais ...to get it working upgrade the jquery version to 1.11 or above..try this link
– Nitin
Jun 11 '15 at 10:24
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Do browsers parse javascript on every page load?
...nitial state is monitoring. This means that
spidermonkey is interpreting bytecode. Every time spidermonkey
interprets a backward-jump bytecode, the monitor makes note of the
number of times the jump-target program-counter (PC) value has been
jumped-to. This number is called the hit count for...
django: BooleanField, how to set the default value to true?
I am using BooleanField in django. By default the checkbox generated by it is unchecked state, I want the state to be checked by default, how to do it?
...
How default .equals and .hashCode will work for my classes?
...shCode
As much as is reasonably practical, the hashCode method defined by class Object does return distinct integers for distinct objects. (This is typically implemented by converting the internal address of the object into an integer, but this implementation technique is not required by the Jav...
Temporarily disable auto_now / auto_now_add
...tion. I needed to "force" an expired timestamp. In my case I did the trick by using a queryset update. Like this:
# my model
class FooBar(models.Model):
title = models.CharField(max_length=255)
updated_at = models.DateTimeField(auto_now=True, auto_now_add=True)
# my tests
foo = FooBar.ob...