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How can we programmatically detect which iOS version is device running on? [duplicate]
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edited Mar 6 '18 at 13:24
community wiki
8 r...
What are the details of “Objective-C Literals” mentioned in the Xcode 4.4 release notes?
...y Literals
Previously:
dict = [NSDictionary dictionaryWithObjects:@[o1, o2, o3]
forKeys:@[k1, k2, k3]];
Now:
dict = @{ k1 : o1, k2 : o2, k3 : o3 };
NSNumber Literals
Previously:
NSNumber *number;
number = [NSNumber numberWithChar:'X'];
number = [NSNumber n...
Is it possible to roll back CREATE TABLE and ALTER TABLE statements in major SQL databases?
... yes
MySQL - no; DDL causes an implicit commit
Oracle Database 11g Release 2 and above - by default, no, but an alternative called edition-based redefinition exists
Older versions of Oracle - no; DDL causes an implicit commit
SQL Server - yes
Sybase Adaptive Server - yes
DB2 - yes
Informix - yes
Fir...
Foreign key from one app into another in Django
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answered Nov 27 '08 at 14:27
Michael WarkentinMichael Warkentin
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Save file to specific folder with curl command
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299
I don't think you can give a path to curl, but you can CD to the location, download and CD bac...
Difference between knockout View Models declared as object literals vs functions
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2 Answers
2
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Is there a difference between “raise exception()” and “raise exception” without parenthesis?
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edited Jan 30 '15 at 15:25
Aaron Hall♦
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Correct use of flush() in JPA/Hibernate
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edited Nov 25 '10 at 10:29
answered Nov 25 '10 at 10:22
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Spring DAO vs Spring ORM vs Spring JDBC
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162
Here is an introduction to each mentioned technology.
Spring-DAO
Spring-DAO is not a spring mo...
What is the syntax for “not equal” in SQLite?
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201
From the official documentation:
The non-equals operator can be either != or <>
So...