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Is It Possible to NSLog C Structs (Like CGRect or CGPoint)?
...xes which while all have meanings to it and need to import a respective .h file like :UIKit, MapKit, CoreLocation; Does the CG prefix mean I should import anything? If not is is just a naming convention?!
– Honey
Mar 16 '16 at 20:42
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Is there any async equivalent of Process.Start?
...equivalent to Process.Start (allows you run another application or batch file) that I can await?
6 Answers
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Calculate difference between two datetimes in MySQL
I am storing the last login time in MySQL in, datetime -type filed. When users logs in, I want to get the difference between the last login time and the current time (which I get using NOW() ).
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JavaScript: location.href to open in new window/tab?
I have a JavaScript file from a third party developer. It has a has link which replaces the current page with the target. I want to have this page opened in a new tab.
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Why am I getting “Cannot Connect to Server - A network-related or instance-specific error”?
...ick on exceptions tab
Add sqlservr.exe (typically located in C:\Program Files (x86)\Microsoft SQL Server\MSSQL.x\MSSQL\Bin, check your installs for the actual folder path) and port (default is 1433)
Check your connection string as well
From FIX : ERROR : Could not open a connection to SQL...
How to customize the background color of a UITableViewCell?
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Simply put this in you UITableView delegate class file (.m):
- (void)tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath
{
UIColor *color = ((indexPath.row % 2) == 0) ? [UIColor colorWithRed:255.0/255 g...
How to analyze a java thread dump?
...for cleaning up resources. I need to do more study on it, but if you have files open, sockets, etc... related to an objects methods, then the finalizer is going to work on freeing those items up as well.
What is the figure in squared parenthesis after Object.wait in the
thread dump?
It is a...
process.env.NODE_ENV is undefined
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For Linux, vi ~/.bash_profile, then insert NODE_ENV=development and save.
– stonyau
Oct 12 '14 at 3:41
8
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Reasons for using the set.seed function
...thers need to be able to reproduce it.
?set.seed
Going through the help file of this function, these are some interesting facts:
(1) set.seed() returns NULL, invisible
(2) "Initially, there is no seed; a new one is created from the current time and the process ID when one is required. He...
How to set the width of a cell in a UITableView in grouped style
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In .h file add the delegate 'UITableViewDataSource'
-(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
return size;
}
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