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“INSERT IGNORE” vs “INSERT … ON DUPLICATE KEY UPDATE”
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I would recommend using INSERT...ON DUPLICATE KEY UPDATE.
If you use INSERT IGNORE, then the row won't actually be inserted if it results in a duplicate key. But the statement won't generate an error. It generates a warning instead....
What’s the best RESTful method to return total number of items in an object?
... Here's the documentation for the Users method - https://api.stackexchange.com/docs/users
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How to find memory leak in a C++ code/project?
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Instructions
Things You'll Need
Proficiency in C++
C++ compiler
Debugger and other investigative software tools
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Understand the operator basics. The C++ operator new allocates heap memory. The delete operator frees heap memory. For every new, you should use a delete so that y...
What issues should be considered when overriding equals and hashCode in Java?
...you should override the other.
Use the same set of fields that you use to compute equals() to compute hashCode().
Use the excellent helper classes EqualsBuilder and HashCodeBuilder from the Apache Commons Lang library. An example:
public class Person {
private String name;
private int age...
How to import other Python files?
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Struct like objects in Java
Is it completely against the Java way to create struct like objects?
20 Answers
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Difference between shadowing and overriding in C#?
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:: (double colon) operator in Java 8
...a lot of syntax for just calling Math.max. That's where lambda expressions come into play. Since Java 8 it is allowed to do the same thing in a much shorter way:
reduce((int left, int right) -> Math.max(left, right));
How does this work? The java compiler "detects", that you want to implement ...
Controlling the screenshot in the iOS 7 multitasking switcher
...object", but it was useful during my testing...
}
- (void)applicationDidBecomeActive:(UIApplication *)application
{
[self.secureDelegate show:@"applicationDidBecomeActive:"];
}
Note, I'm using applicationWillResignActive rather than the advised applicationDidEnterBackground, because, as other...
What and where are the stack and heap?
...iables and some bookkeeping data. When that function returns, the block becomes unused and can be used the next time a function is called. The stack is always reserved in a LIFO (last in first out) order; the most recently reserved block is always the next block to be freed. This makes it really ...