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What is the difference between UNION and UNION ALL?
What is the difference between UNION and UNION ALL ?
26 Answers
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When to use ' (or quote) in Lisp?
...ough the major parts of an introductory Lisp book, I still couldn't understand what the special operator (quote) (or equivalent ' ) function does, yet this has been all over Lisp code that I've seen.
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How to mock ConfigurationManager.AppSettings with moq
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I believe one standard approach to this is to use a facade pattern to wrap the configuration manager and then you have something loosely coupled that you have control over.
So you would wrap the ConfigurationManager. Something like:
public...
What's the difference between comma separated joins and join on syntax in MySQL? [duplicate]
...is no difference at all.
Second representation makes query more readable and makes it look very clear as to which join corresponds to which condition.
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mysqli or PDO - what are the pros and cons? [closed]
In our place we're split between using mysqli and PDO for stuff like prepared statements and transaction support. Some projects use one, some the other. There is little realistic likelihood of us ever moving to another RDBMS.
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Eclipse error: indirectly referenced from required .class files?
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Universal and simple answer that help me a lot in different case :) THX
– Mariusz Chw
Dec 10 '13 at 15:37
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Implementing INotifyPropertyChanged - does a better way exist?
...ropertyChanged
{
// boiler-plate
public event PropertyChangedEventHandler PropertyChanged;
protected virtual void OnPropertyChanged(string propertyName)
{
PropertyChangedEventHandler handler = PropertyChanged;
if (handler != null) handler(this, new PropertyChangedEven...
How to disable Google Chrome auto update?
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On your Chrome browser's address bar, type in 'about:plugins' and hit ENTER.
Find the plugin called 'Google Update' and click disable.
Restart your browser for the changes to take effect.
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How to Create Multiple Where Clause Query Using Laravel Eloquent?
I'm using the Laravel Eloquent query builder and I have a query where I want a WHERE clause on multiple conditions. It works, but it's not elegant.
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How to grant permission to users for a directory using command line in Windows?
...sions to a user on a directory (Read, Write, Modify) using the Windows command line?
17 Answers
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