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MySQL: #126 - Incorrect key file for table
...L. If you look at the documentation about the CREATE TABLE Syntax, you can read:
KEY is normally a synonym for INDEX. The key attribute PRIMARY KEY can also be specified as just KEY when given in a column definition. This was implemented for compatibility with other database systems.
Now, th...
capturing self strongly in this block is likely to lead to a retain cycle
...n,current]];
} else {
// self doesn't exist
}
}];
I have read this article many times. This is an excellent article by Erica Sadun on
How To Avoid Issues When Using Blocks And NSNotificationCenter
Swift update:
For example, in swift a simple method with success block would be:...
BeanFactory vs ApplicationContext
... of Spring 3.1 in favor of DefaultListableBeanFactory and XmlBeanDefinitionReader.
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To ternary or not to ternary? [closed]
...(b > 10) ? c : d;
Don't chain or nest ternary operators as it hard to read and confusing:
int a = b > 10 ? c < 20 ? 50 : 80 : e == 2 ? 4 : 8;
Moreover, when using ternary operator, consider formatting the code in a way that improve readability:
int a = (b > 10) ? some_value ...
How does the keyword “use” work in PHP and can I import classes with it?
...or class) to the current scope
If you want the classes to be autoloaded - read about autoloading
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How to input a regex in string.replace?
...ject)
print(result)
If you want to learn more about regex I recomend to read Regular Expressions Cookbook by Jan Goyvaerts and Steven Levithan.
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Replace part of a string with another string
... Is this still the only solution in 2018? If so and any C++ committee are reading this, sort it out. It's embarrassing. split(string, string) and replace(string, string) please!
– user997112
Jul 31 '18 at 12:53
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Replacing a fragment with another fragment inside activity group
...y the fragment inside the XML at all. You can use a container view. Please read the answer again.
– Subin Sebastian
Jul 2 '15 at 3:56
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What are Aggregates and PODs and how/why are they special?
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How to read:
This article is rather long. If you want to know about both aggregates and PODs (Plain Old Data) take time and read it. If you are interested just in aggregates, read only the first part. If you are interested only in ...
How do you join on the same table, twice, in mysql?
...alias them as the ToURL and FromUrl.
For more info about aliasing in SQL, read here.
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