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Hiding user input on terminal in Linux script
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I like this way better. I would vote you up If I didn't hit my daily limit
– SiegeX
Nov 30 '10 at 17:53
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How can I programmatically create a new cron job?
...n it already exists is bad.
Remove the crontab line. Perhaps only warning if it didn't exist.
A combination of the above two features to replace the crontab line.
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How to achieve function overloading in C?
... argument)
opengl style functions (type in function name)
c subset of c++ (if You can use a c++ compiler)
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Split a List into smaller lists of N size
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So if I have a List length zillion, and I want to split into smaller lists Length 30, and from every smaller list I only want to Take(1), then I still create lists of 30 items of which I throw away 29 items. This can be done sma...
How to check if a number is between two values?
In JavaScript, I'm telling the browser to do something if the window size is greater than 500px. I do it like so:
7 Answers...
How to perform Callbacks in Objective-C
...ss" and MyClass calls the delegate methods on the delegate as appropriate. If your delegate callbacks are optional, you'll typically guard them at the dispatch site with something like "if ([delegate respondsToSelector:@selector(myClassWillDoSomething:)) {". In my example, the delegate is required t...
Why do C and C++ compilers allow array lengths in function signatures when they're never enforced?
...g arrays to functions.
Actually it is not possible to pass an array in C. If you write syntax that looks like it should pass the array, what actually happens is that a pointer to the first element of the array is passed instead.
Since the pointer does not include any length information, the conten...
Examples of Algorithms which has O(1), O(n log n) and O(log n) complexities
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If you want examples of Algorithms/Group of Statements with Time complexity as given in the question, here is a small list -
O(1) time
Accessing Array Index (int a = ARR[5];)
Inserting a node in Linked List
Pushing and Pop...
Storing custom objects in an NSMutableArray in NSUserDefaults
...dataRepresentingSavedArray = [currentDefaults objectForKey:@"savedArray"];
if (dataRepresentingSavedArray != nil)
{
NSArray *oldSavedArray = [NSKeyedUnarchiver unarchiveObjectWithData:dataRepresentingSavedArray];
if (oldSavedArray != nil)
objectArray = [[NSMutableArray alloc] initWit...
Delete all files in directory (but not directory) - one liner solution
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Do you mean like?
for(File file: dir.listFiles())
if (!file.isDirectory())
file.delete();
This will only delete files, not directories.
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