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“Cloning” row or column vectors
Sometimes it is useful to "clone" a row or column vector to a matrix. By cloning I mean converting a row vector such as
9 A...
What is the difference between -viewWillAppear: and -viewDidAppear:?
...thod. Basically this method is called whenever the view was loaded into memory. So for example, if my view is a form with 3 labels, I would add the labels here; the view will never exist without those forms.
2) ViewWillAppear: I use ViewWillAppear usually just to update the data on the form. So, fo...
Insert into a MySQL table or update if exists
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+1 From what I've found, this method is less problematic for auto-increment keys and other unique key collisions than REPLACE INTO, and it is more efficient.
– Andrew Ensley
May 11 '12 at 21:27
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Which is preferred: Nullable.HasValue or Nullable != null?
...<>.HasValue because I liked the semantics. However, recently I was working on someone else's existing codebase where they used Nullable<> != null exclusively instead.
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How to prevent robots from automatically filling up a form?
...ally generated input. I've read that techniques like captcha, 1+1=? stuff work well, but they also present an extra step impeding the free quick use of the application (I'm not looking for anything like that please).
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In PHP, how to detect the execution is from CLI mode or through browser ? [duplicate]
...ich are accessing through the browser. Some part of the code, I need only for non cron files. How can I detect whether the execution is from CLI or through browser (I know it can be done by passing some arguments with the cron files but I dont have access to crontab). Is there any other way ?
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Storing Images in DB - Yea or Nay?
So I'm using an app that stores images heavily in the DB. What's your outlook on this? I'm more of a type to store the location in the filesystem, than store it directly in the DB.
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What are some popular naming conventions for Unit Tests? [closed]
1) MethodName_StateUnderTest_ExpectedBehavior
7 Answers
7
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How to “warm-up” Entity Framework? When does it get “cold”?
...at would be the best approach to have high availability on my Entity Framework at anytime?
You can go for a mix of pregenerated views and static compiled queries.
Static CompiledQuerys are good because they're quick and easy to write and help increase performance. However with EF5 it isn't necess...
How do I put my website's logo to be the icon image in browser tabs?
...and it's a small square shaped .ico file, which is the standard file type for favicons. You could use .png or .gif too, but you should follow the standard for better compatibility.
To set one for your website you should:
Make a square image of your logo (preferably 32x32 or 16x16 pixels, as far a...