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Why is “a” != “a” in C?
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What you are comparing are the two memory addresses for the different strings, which are stored in different locations. Doing so essentially looks like this:
if(0x00403064 == 0x002D316A) // Two memory locations
{
printf("Yes, equal");
}
Use the following c...
How to convert Linux cron jobs to “the Amazon way”?
For better or worse, we have migrated our whole LAMP web application from dedicated machines to the cloud (Amazon EC2 machines). It's going great so far but the way we do crons is sub-optimal. I have a Amazon-specific question about how to best manage cron jobs in the cloud using "the Amazon way...
Function return value in PowerShell
I have developed a PowerShell function that performs a number of actions involving provisioning SharePoint Team sites. Ultimately, I want the function to return the URL of the provisioned site as a String so at the end of my function I have the following code:
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What are MVP and MVC and what is the difference?
...Model-View-Presenter
In MVP, the Presenter contains the UI business logic for the View. All invocations from the View delegate directly to the Presenter. The Presenter is also decoupled directly from the View and talks to it through an interface. This is to allow mocking of the View in a unit test. ...
Get most recent file in a directory on Linux
Looking for a command that will return the single most recent file in a directory.
21 Answers
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What is the most efficient way to concatenate N arrays?
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If you're concatenating more than two arrays, concat() is the way to go for convenience and likely performance.
var a = [1, 2], b = ["x", "y"], c = [true, false];
var d = a.concat(b, c);
console.log(d); // [1, 2, "x", "y", true, false];
For concat...
Displaying a message in iOS which has the same functionality as Toast in Android
...an make use of MBProgressHUD project.
Use HUD mode MBProgressHUDModeText for toast-like behaviour,
MBProgressHUD *hud = [MBProgressHUD showHUDAddedTo:self.navigationController.view animated:YES];
// Configure for text only and offset down
hud.mode = MBProgressHUDModeText;
hud.label.text = @"Some ...
How to use sed to replace only the first occurrence in a file?
...date a large number of C++ source files with an extra include directive before any existing #includes. For this sort of task, I normally use a small bash script with sed to re-write the file.
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Why are #ifndef and #define used in C++ header files?
...dited May 7 '17 at 12:02
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
answered Oct 31 '09 at 10:09
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How does one get started with procedural generation?
Procedural generation has been brought into the spotlight recently (by Spore, MMOs, etc), and it seems like an interesting/powerful programming technique.
My questions are these:
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