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differentiate null=True, blank=True in django
... on the column in your DB. Blank values for Django field types such as DateTimeField or ForeignKey will be stored as NULL in the DB.
blank determines whether the field will be required in forms. This includes the admin and your custom forms. If blank=True then the field will not be required, wherea...
fastest MD5 Implementation in JavaScript
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@jhoff Your Gist has been forked and improved a couple times, I also think that the var add32 on line 185 should be just add32 so I found the best fork I could and updated it to this new version: gist.github.com/MichaelPote/3f0cefaaa9578d7e30be
– Mikepote
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How can I verify if a Windows Service is running
... Windows Service. When the device boots, this service typically takes some time to start. I'd like to check, from my code, if the service is running. How can I accomplish this?
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How can I be notified when an element is added to the page?
...ing modified
// call the function again after 100 milliseconds
setTimeout( checkDOMChange, 100 );
}
Once this function is called, it will run every 100 milliseconds, which is 1/10 (one tenth) of a second. Unless you need real-time element observation, it should be enough.
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allowDefinition='MachineToApplication' error when publishing from VS2010 (but only after a previous
...projects
automatically.
All packaging files will be deleted
every time that the MvcBuildViews
target executes.
<Target Name="MvcBuildViews" AfterTargets="AfterBuild" Condition="'$(MvcBuildViews)'=='true'" DependsOnTargets="CleanWebsitesPackage;CleanWebsitesPackageTempDir;CleanWebsite...
Is there a way to cache GitHub credentials for pushing commits?
...ps:// on GitHub (due to firewall issues), and it asks for a password every time.
24 Answers
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How to get image height and width using java?
...e. Blows ImageIO.read() completely out of the water, both in terms of CPU time and memory usage.
– aroth
Feb 4 '16 at 5:41
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What is the difference between g++ and gcc?
...are compiler-drivers of the GNU Compiler Collection (which was once upon a time just the GNU C Compiler).
Even though they automatically determine which backends (cc1 cc1plus ...) to call depending on the file-type, unless overridden with -x language, they have some differences.
The probably most ...
Validate a username and password against Active Directory?
...52e invalid credentials (1326)
530 not permitted to logon at this time (1328)
531 not permitted to logon at this workstation (1329)
532 password expired (1330)
533 account disabled (1331)
701 account expired (1793)
773 user must reset password (1907)
775 us...
What is stack unwinding?
...hello world" ); // will be properly destructed
if ( x ) throw std::runtime_error( "boom" );
delete [] pleak; // will only get here if x == 0. if x!=0, throw exception
}
int main()
{
try
{
func( 10 );
}
catch ( const std::exception& e )
{
return 1;
...