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When do I need to use Begin / End Blocks and the Go keyword in SQL Server?
... the problem is this: the SQL Server SQL Parser, unlike the Oracle one, is unable to realise that you're defining a new symbol on the first line and that it's ok to reference in the following lines. It doesn't "see" the symbol until it encounters a GO token which tells it to execute the preceding SQ...
OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection
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This is a recurring subject in Stackoverflow and since I was unable to find a relevant implementation I decided to accept the challenge.
I made some modifications to the squares demo present in OpenCV and the resulting C++ code below is able to detect a sheet of paper in the image:
v...
How do API Keys and Secret Keys work? Would it be secure if I have to pass my API and secret keys to
... be compromised the attacker would have a list of public keys and would be unable to access the user's API using this information. However ideal systems are not always put into practice and i don't know for sure if Amazon is protecting against this attack vector, but they should be.
In public ke...
What are best practices that you use when writing Objective-C and Cocoa? [closed]
...ows likely memory management and other basic problems that the compiler is unable to detect.
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edited Oct 28 '11 at 20:49
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Rails 4 multiple image or file upload using carrierwave
... a child controller at all. By following your approach, the only thing I'm unable to do is to display form error messages for the child when something goes wrong with the upload.
– Luis Fernando Alen
Jun 13 '17 at 15:55
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Merge, update, and pull Git branches without using checkouts
...necessary to allow you to resolve conflicts, among other things (if Git is unable to automatically merge them).
However, if the merge is one that would be fast-forward, you don't need to check out the target branch, because you don't actually need to merge anything - all you have to do is update the...
Can scrapy be used to scrape dynamic content from websites that are using AJAX?
... rendered on the page is generated with Javascript and therefore scrapy is unable to crawl for it (eg. ajax requests, jQuery craziness).
However, if you use Scrapy along with the web testing framework Selenium then we are able to crawl anything displayed in a normal web browser.
Some things to not...
Is it possible to change icons in Visual Studio 2012?
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Doing this with a plugin, for now, is out of the question. I've been unable to find any built-in way to achieve this and the switch to WPF makes it even harder to hack around.
This app simply extracts the image resources from the unmanaged DLLs in Visual Studio 2010 and injects them into the ...
What does CultureInfo.InvariantCulture mean?
...ce of software.
Rarely use a specific national culture because the user is unable to control how formatting and parsing is done.
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What is Autoloading; How do you use spl_autoload, __autoload and spl_autoload_register?
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spl_autoload_register() default implementation is unable to find inherited classes. So using defaults, lowercase files and directories reflecting namespace path, everything works fine unless I have a class which extends another class (parent). PHP then throws error that it c...