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How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar
I'm trying to implement search code in my CoreData-based iPhone app. I'm not sure how to proceed. The app already has an NSFetchedResultsController with a predicate to retrieve the data for the primary TableView. I want to make sure I'm on the right path before I change too much code. I'm confus...
A cron job for rails: best practices?
What's the best way to run scheduled tasks in a Rails environment? Script/runner? Rake? I would like to run the task every few minutes.
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IIS7 Permissions Overview - ApplicationPoolIdentity
We have recently upgraded to IIS7 as a core web server and I need an overview in terms of the permissions. Previously, when needing to write to the file system I would have give the AppPool user (Network Service) access to the directory or file.
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View the Task's activity stack
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From the command line, you can use: adb shell dumpsys activity
This asks the activity manager to print a dump of its current state. The first part of that is the complete activity history, organized by task. There is also a lot of stuff printed after that, so ...
Expand a random range from 1–5 to 1–7
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This is equivalent to Adam Rosenfield's solution, but may be a bit more clear for some readers. It assumes rand5() is a function that returns a statistically random integer in the range 1 through 5 inclusive.
int rand7()
{
int vals[5][5] = {
{ 1, 2, 3, 4, 5 },
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Variable declared in for-loop is local variable?
I have been using C# for quite a long time but never realised the following:
9 Answers
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Can I use git diff on untracked files?
Is it possible to ask git diff to include untracked files in its diff output, or is my best bet to use git add on the newly created files and the existing files I have edited, then use:
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How can I list all foreign keys referencing a given table in SQL Server?
I need to remove a highly referenced table in a SQL Server database. How can I get a list of all the foreign key constraints I will need to remove in order to drop the table?
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Git: copy all files in a directory from another branch
How do I copy all files in a directory from another branch? I can list all of the files in that directory by doing
2 Answe...
Why does sizeof(x++) not increment x?
...phasis is mine)
6.5.3.4/2
The sizeof operator yields the size (in bytes) of its operand, which may be an expression or the parenthesized name of a type. The size is determined from the type of the operand. The result is an integer. If the type of the operand is a variable length array type,...