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How enumerate all classes with custom class attribute?
...erformance will be faster (especially without empirical proof); you've basically written the Select extension method, and the compiler will generate a state machine just as it would if you called Select because of your use of yield return. Finally, any performance gains that might be obtained in th...
Sending a message to nil in Objective-C
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System.out.println(list.get(i).toString());
}
}
Now, if you call that method like so: someObject.foo(NULL); you're going to probably get a NullPointerException when it tries to access list, in this case in the call to list.size(); Now, you'd probably never call someObject.foo(NULL) wi...
user authentication libraries for node.js?
...sport-google-oauth that should replace it. Also this is the signature of a callback after authentification:done(null,false,{ message:'Incorrect username.' }) it's terrible since we don't know what all those parameters are.
– eloone
Sep 21 '14 at 20:15
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How to compare objects by multiple fields
....g. when sorting? Does it have to create new Comparator instances in every call?
– jjurm
Nov 20 '17 at 22:38
4
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Why doesn't logcat show anything in my Android?
Why doesn't logcat show anything in my Android (while developing apps with Eclipse)?
27 Answers
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PHP Remove elements from associative array
...etimes an application architecture doesn't want you to mess with the array id, or makes it inconvenient. For instance, I use CakePHP quite a lot, and a database query returns the primary key as a value in each record, very similar to the above.
Assuming the array is not stupidly large, I would use...
Is the primary key automatically indexed in MySQL?
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I guess this is the answer
mysql> create table test(id int primary key, s varchar(20));
Query OK, 0 rows affected (0.06 sec)
mysql> show indexes from test \G
*************************** 1. row ***************************
Table: test
Non_unique: 0
Key_name: ...
Check if a string has white space
... couldn't you put in s.indexOf(/^\s+$/) as well?
– Zoidberg
Nov 13 '09 at 19:08
2
this is not sup...
Should flux stores, or actions (or both) touch external services?
Should the stores maintain their own state and have the ability to call network and data storage services in doing so ...in which case the actions are just dumb message passers,
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What are MVP and MVC and what is the difference?
...t many tools encourage you are likely to come across three design patterns called Model-View-Controller , Model-View-Presenter and Model-View-ViewModel . My question has three parts to it:
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