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Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign
I make an outer join and executed successfully in the informix database but I get the following exception in my code:
24 ...
Why use pointers? [closed]
...tionality, missing data types or for pure perfomance. More below...
When and where should I use pointers?
Short answer here is: Where you cannot use anything else. In C you don't have any support for complex datatypes such as a string. There are also no way of passing a variable "by reference" ...
Choosing a stand-alone full-text search server: Sphinx or SOLR? [closed]
I'm looking for a stand-alone full-text search server with the following properties:
5 Answers
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Are PHP short tags acceptable to use?
...A if you ever have to move your code to a server where it's not supported (and you can't enable it). As you say, lots of shared hosts do support shorttags but "lots" isn't all of them. If you want to share your scripts, it's best to use the full syntax.
I agree that <? and <?= are easier on p...
F# development and unit testing?
... first functional language. I have been working quasi-exclusively with C#, and enjoy a lot how F# leads me to re-think how I write code. One aspect I find a bit disorienting is the change in the process of writing code. I have been using TDD for years in C# now, and really appreciate to have unit te...
Why remove unused using directives in C#?
...me.
Static analysis is slower.
Code compilation is slower.
On the other hand, there aren't many reasons to leave them in. I suppose you save yourself the effort of having to delete them. But if you're that lazy, you've got bigger problems!
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Automatic Retina images for web sites
With the new Apple MacBook Pro with retina display, if you provide a "standard" image on your website, it'll be a little fuzzy. So you have to provide a retina image.
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Phonegap Cordova installation Windows
...ation... here's what i discovered.
Ignore the installation documentation and all the command line, node.js stuff (seriously you will waste hours on this.
Go to github and simply download the PhoneGap master .zip
In that zip are project files for window phone, etc platform... just use those templat...
Are global variables bad? [closed]
..., it becomes increasingly hard to figure out which functions actually read and write these variables.
To understand how the application works, you pretty much have to take into account every function which modifies the global state. That can be done, but as the application grows it will get harder...
Is there a REAL performance difference between INT and VARCHAR primary keys?
...AR as the primary key for reference lists (think US States, Country Codes) and a coworker won't budge on the INT AUTO_INCREMENT as a primary key for all tables.
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