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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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cURL equivalent in Node.js?
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This site can convert your cURL command to node.js request: curl.trillworks.com/#node
– Maxim Mai
Jan 13 '16 at 20:34
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Store output of subprocess.Popen call in a string
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This does produce some weird object. When I convert it to string, it escapes whitespace like \n.
– Tomáš Zato - Reinstate Monica
Nov 26 '16 at 18:13
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What is the difference between Integer and int in Java?
...int is a primitive data type while Integer is a Helper class, it is use to convert for one data type to other.
For example:
double doubleValue = 156.5d;
Double doubleObject = new Double(doubleValue);
Byte myByteValue = doubleObject.byteValue ();
String myString...
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 do I use a Boolean in Python?
...cs.python.org/library/functions.html#bool
Your code works too, since 1 is converted to True when necessary.
Actually Python didn't have a boolean type for a long time (as in old C), and some programmers still use integers instead of booleans.
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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...