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Mongoose, Select a specific field with find
... I think .select just is a filter to choose field after you get all of that, my recommendation is to use .find({}, 'name -_id')
– hong4rc
Mar 2 '19 at 16:15
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UICollectionView Set number of columns
...[self.myCollectionView.collectionViewLayout invalidateLayout];
}
Additionally, here are 2 really good tutorials on UICollectionViews:
http://www.raywenderlich.com/22324/beginning-uicollectionview-in-ios-6-part-12
http://skeuo.com/uicollectionview-custom-layout-tutorial
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Determine the type of an object?
...object, and isinstance() to check an object’s type against something. Usually, you want to use isistance() most of the times since it is very robust and also supports type inheritance.
To get the actual type of an object, you use the built-in type() function. Passing an object as the only param...
Entity Framework rollback and remove bad migration
...things that have gone to multiple environments.
The other option is to actually run Update-Database –TargetMigration: TheLastGoodMigration against your deployed database and then delete the migration from your solution. This is kinda the hulk smash alternative and requires this to be performed aga...
Remove not alphanumeric characters from string
...e them.
A backslash in the string needs escaping if it's to be taken literally:
"\\test\\red\\bob\\fred\\new".replace(/\W/g, '')
"testredbobfrednew" // output
Handling malformed strings
If you're not able to escape the input string correctly (why not?), or it's coming from some kind of untruste...
How to add a WiX custom action that happens only on uninstall (via MSI)?
I would like to modify an MSI installer (created through WiX ) to delete an entire directory on uninstall.
6 Answers
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How to include package data with setuptools/distribute?
When using setuptools/distribute, I can not get the installer to pull in any package_data files. Everything I've read says that the following is the correct way to do it. Can someone please advise?
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PHP Session Security
...or maintaining responsible session security with PHP? There's information all over the web and it's about time it all landed in one place!
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AngularJS ui-router login authentication
...at this plunk.
First, you need a service to store the user's identity. I call this principal. It can be checked to see if the user is logged in, and upon request, it can resolve an object that represents the essential information about the user's identity. This can be whatever you need, but the ess...
How to print the full traceback without halting the program?
...rmed XML, missing entries, and other things I've yet to categorize. I initially made this program to handle errors like this:
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