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Where to put include statements, header or source?
Should I put the includes in the header file or the source file? If the header file contains the include statements, then if I include that header file in my source, then will my source file have all of the included files that were in my header? Or should I just include them in my source file only?
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What happens when a duplicate key is put into a HashMap?
If I pass the same key multiple times to HashMap ’s put method, what happens to the original value? And what if even the value repeats? I didn’t find any documentation on this.
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Using JSON.NET as the default JSON serializer in ASP.NET MVC 3 - is it possible?
...ublic override void ExecuteResult(ControllerContext context)
{
if (context == null)
throw new ArgumentNullException("context");
var response = context.HttpContext.Response;
response.ContentType = !String.IsNullOrEmpty(ContentType)
? ContentType ...
What function is to replace a substring from a string in C?
...'s algorithm for why strcpy can be annoying.)
// You must free the result if result is non-NULL.
char *str_replace(char *orig, char *rep, char *with) {
char *result; // the return string
char *ins; // the next insert point
char *tmp; // varies
int len_rep; // length of rep (t...
How to read from stdin line by line in Node
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I think you can just change process.stdout to a different writable stream — it could be as simple as output: new require('stream').Writable()
– Jeff Sisson
Nov 20 '13 at 4:45
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How to check if element in groovy array/hash/collection/list?
How do I figure out if an array contains an element?
I thought there might be something like [1, 2, 3].includes(1) which would evaluate as true .
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php: determine where function was called from
...$backtrace[0] points to fail(), so we'll look in $backtrace[1] instead
if (isset($backtrace[1]['function']) && $backtrace[1]['function'] == 'epic')
{
// Called by epic()...
}
}
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iOS: Compare two dates
...two NSDate and I try with NSOrderAscending and NSOrderDescending but if my date is equal at other two dates?
6 Answer...
Volatile boolean vs AtomicBoolean
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They are just totally different. Consider this example of a volatile integer:
volatile int i = 0;
void incIBy5() {
i += 5;
}
If two threads call the function concurrently, i might be 5 afterwards, since the compiled code will be somewhat sim...
What is the right way to check for a null string in Objective-C?
...ter equality. See Topics for Cocoa: Using Null.
So a good test might be:
if (title == (id)[NSNull null] || title.length == 0 ) title = @"Something";
Note how you can use the fact that even if title is nil, title.length will return 0/nil/false, ie 0 in this case, so you do not have to special cas...