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Are there strongly-typed collections in Objective-C?
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Is it better to reuse a StringBuilder in a loop?
...ded an edit in my answer to explain why this might be happening. I'll look more carefully in a while (45 mins). Note that doing concatenation in the append calls reduces the point of using StringBuilder in the first place somewhat :)
– Jon Skeet
Oct 28 '08 at 7...
How to explain dependency injection to a 5-year-old? [closed]
...matter why you are invoking your object, it uses the same dependencies.
A more powerful technique is to be able to create your object and provide it with dependencies to use. So you might create a database connection to use, then hand it to your object. This way, you can create your object with di...
Is there any way to prevent input type=“number” getting negative values?
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Here's a more reliable reference source.
– Álvaro González
Jun 10 '15 at 10:15
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What is JSON and why would I use it?
...by Douglas Crockford), it has been the preferred format because it is much more lightweight
You can find a lot more info on the official JSON web site.
JSON is built on two structures:
A collection of name/value pairs. In various languages, this is realized as an object, record, struct, dictiona...
Template default arguments
...ee asked themselves the same, I guess. Now, with C++17, the <> is no more necessary in this case. Check out my answer for more details.
– Paolo M
Jun 21 '18 at 14:27
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Sort a single String in Java
... as "ABCDabcdeàé" while, in English (US) locale for example, it would be more desirable to obtain "aAàbBcCdDeé".
– eljenso
Mar 3 '09 at 14:07
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How can I check if an element exists in the visible DOM?
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Compare if BigDecimal is greater than zero
...n for compareTo actually specifies that it will return -1, 0 or 1, but the more general Comparable<T>.compareTo method only guarantees less than zero, zero, or greater than zero for the appropriate three cases - so I typically just stick to that comparison.
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Difference between static memory allocation and dynamic memory allocation
... application to crash, since at some point of time, system cannot allocate more memory.
int* func() {
int* mem = malloc(1024);
return mem;
}
int* mem = func(); /* still accessible */
In the upper example, the allocated memory is still valid and accessible, even though the function termin...
