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What is the error “Every derived table must have its own alias” in MySQL?
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I understand now. I was also thinking it might have been generated by some code. It should still simplify as Paul and DMKing suggested.
– hometoast
Dec 11 '09 at 15:36
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Escaping single quote in PHP when inserting into MySQL [duplicate]
...y is likely because you have magic_quotes_gpc turned on (which you should know is a bad idea). This means that strings gathered from $_GET, $_POST and $_COOKIES are escaped for you (i.e., "O'Brien" -> "O\'Brien").
Once you store the data, and subsequently retrieve it again, the string you get b...
What is the difference between Strategy pattern and Dependency Injection?
...e trying to achieve. The Strategy pattern is used in situations where you know that you want to swap out implementations. As an example, you might want to format data in different ways - you could use the strategy pattern to swap out an XML formatter or CSV formatter, etc.
Dependency Injection is d...
What is private bytes, virtual bytes, working set?
...ve commands, your private bytes are consumed by uncollected objects in GC. Now move on to either gchandles or gcleaks. These commands should tell you what types/ object address cannot be mapped. The pointer is still there but object is gone. This is such categorical problem for unreleased event hand...
Example: Communication between Activity and Service using Messaging
...adcast in onResume. Remember that you must unregister broadcast in onStop. Now, i'm don't recommend use my method. Please use special libs for communicate with other views/activities/services such as EventBus github.com/greenrobot/EventBus or Otto github.com/square/otto
– a.bla...
Generating an Excel file in ASP.NET [closed]
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Cons:
Limited compatibility outside Excel 2007 (shouldn't be a problem nowadays)
Complicated unless you're using a third party component
SpreadSheetML (open format XML)
Pros:
Simple compared to native Excel formats
Supports most Excel features: formating, styles, formulas, multiple sheets ...
Is a statically-typed full Lisp variant possible?
...s = CCons Cons Cons
| forall a. Atomic a => CAtom a
But now you come to the crux of the matter. What can you do with atoms in this kind of structure? What structure do they have in common that could be modeled with Atomic a? What level of type safety are you guaranteed with such a...
Are getters and setters poor design? Contradictory advice seen [duplicate]
... more cognitively intense
object.setField(value);
where the client must now check the getter/setter method to see if it has any side-effects.
Second, if you really need to do something else in the method, why call it a get/set method when it's got more responsibilities than simply getting or set...
How to sort a collection by date in MongoDB?
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Sure, I know what a callback is. I only saw the sorting requirement in the question and all the answers give callbacks. At the same time, sorting wasn't working for me, so I thought maybe you have to do additional work in the function...
Set up DNS based URL forwarding in Amazon Route53 [closed]
...ekmchawla.com".
Select whatever region works best for you. If you don't know, keep the default.
Don't worry about setting up logging. Just click the "Create" button when you're ready.
Step 3: Enable Static Website Hosting and Specify Routing Rules
In the properties window, open the set...