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How do I replace a character at a particular index in JavaScript?
... are immutable, which means the best you can do is to create a new string with the changed content and assign the variable to point to it.
You'll need to define the replaceAt() function yourself:
String.prototype.replaceAt = function(index, replacement) {
return this.substr(0, index) + replace...
SVN: Folder already under version control but not comitting?
svn stat says its not under version control, so I try to add it, and then it tells me it is. When I do an svn ci , it doesn't get comitted, and doesn't show up when I try to browse to repository online.
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MVC 3: How to render a view without its layout page when loaded via ajax?
...ed Mar 15 '11 at 21:41
Darin DimitrovDarin Dimitrov
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The relationship could not be changed because one or more of the foreign-key properties is non-nulla
I am getting this error when I GetById() on an entity and then set the collection of child entities to my new list which comes from the MVC view.
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Javascript AES encryption [closed]
Is there a library available for AES 256-bits encryption in Javascript?
15 Answers
15
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Do you use NULL or 0 (zero) for pointers in C++?
In the early days of C++ when it was bolted on top of C, you could not use NULL as it was defined as (void*)0 . You could not assign NULL to any pointer other than void* , which made it kind of useless. Back in those days, it was accepted that you used 0 (zero) for null pointers.
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How do you kill a Thread in Java?
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See this thread by Sun on why they deprecated Thread.stop(). It goes into detail about why this was a bad method and what should be done to safely stop threads in general.
The way they recommend is to use a shared variable as a flag which asks the background thread to stop. This va...
Loop through an array in JavaScript
... of beneficial array methods, one of them, the Array.prototype.forEach and it gives us a concise way to iterate over an array:
const array = ["one", "two", "three"]
array.forEach(function (item, index) {
console.log(item, index);
});
Being almost ten years as the time of writing that the...
PHP: Storing 'objects' inside the $_SESSION
...igured out that I can actually store objects in the $_SESSION and I find it quite cool because when I jump to another page I still have my object. Now before I start using this approach I would like to find out if it is really such a good idea or if there are potential pitfalls involved.
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Is it possible to cache POST methods in HTTP?
With very simple caching semantics: if the parameters are the same (and the URL is the same, of course), then it's a hit. Is that possible? Recommended?
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