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Cocoa Core Data efficient way to count entities
...an efficient way to make a count over an Entity-Type (like SQL can do with SELECT count(1) ...). Now I just solved this task with selecting all with NSFetchedResultsController and getting the count of the NSArray ! I am sure this is not the best way...
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Why does the month argument range from 0 to 11 in JavaScript's Date constructor?
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Its like this in java too.. Probably to convert int to string (0 - jan,, 1-feb), they coded this way.. because they might have an array of string (indexed from 0) of month names and these month numbers if they start from 0, it'll be lot easier to map to the month s...
Express.js req.body undefined
... automatically add the 'Content-Type: application/json' header even if you select raw > json.
– Jordan
Sep 29 '13 at 8:20
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How to delete projects in IntelliJ 12?
...n a file menu appears, you can right click the unwanted project folder and select Delete.
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Keyboard shortcut for Jump to Previous View Location (Navigate back/forward) in IntelliJ IDEA
...me Intel grafics driver shorcuts on windows. Right click the desktop -> select Screen Resolution -> Click Advanced settings -> Click the vendor tab "Intel(R) ..." -> Hit the graphics properties or similar button -> Select Options and Support tab -> Disable Hotkey functionality.
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How to make an unaware datetime timezone aware in python
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I use this statement in Django to convert an unaware time to an aware:
from django.utils import timezone
dt_aware = timezone.make_aware(dt_unaware, timezone.get_current_timezone())
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How can I access the MySQL command line with XAMPP for Windows?
... The buffer size for TCP/IP and socket communication.
--select-limit=# Automatic limit for SELECT when using --safe-updates.
--max-join-size=# Automatic limit for rows in a join when using
--safe-updates.
--secure-auth Refuse client connecting ...
Is there a naming convention for git repositories?
...s often seen in URLs (e.g. on github) that may be case insensitive or even converted to lower case, and for this reason camelCase is a bad idea. I don't think github does this, but still seems better to be save.
– jdg
Aug 7 '13 at 15:48
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Cannot use identity column key generation with ( TABLE_PER_CLASS )
...refer using 'TABLE' id generation strategy as it triggers lots of queries (select, insert, and update) and maintains locks to generate unique values for primary key. So what would be an alternate solution to this If we have a kinda big Inheritance scenario? It will certainly impact the performance a...
Shortcut to comment out a block of code with sublime text
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The shortcut to comment out or uncomment the selected text or current line:
Windows: Ctrl+/
Mac: Command ⌘+/
Linux: Ctrl+Shift+/
Alternatively, use the menu: Edit > Comment
For the block comment you may want to use:
Windows: Ctrl+Shift+/
Mac: Command ⌘+Opt...