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Reading a string with scanf
I'm a little bit confused about something. I was under the impression that the correct way of reading a C string with scanf() went along the lines of
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Cannot pass null argument when using type hinting
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PHP 7.1 or newer (released 2nd December 2016)
You can explicitly declare a variable to be null with this syntax
function foo(?Type $t) {
}
this will result in
$this->foo(new Type()); // ok
$this->foo(null); // ok
$this->foo(); // error
So, if y...
In Hibernate Validator 4.1+, what is the difference between @NotNull, @NotEmpty, and @NotBlank?
I can't seem to be able to find a summary that distinguishes the difference between these three annotations.
3 Answers
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C/C++ Struct vs Class
After finishing my C++ class it seemed to me the structs/classes are virtually identical except with a few minor differences.
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Intellij Idea 9/10, what folders to check into (or not check into) source control?
Our team has just moved from Netbeans to Intellij 9 Ultimate and need to know what files/folders should typically be excluded from source control as they are not "workstation portable", i.e.: they reference paths that only exist on one user's computer.
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Setting up two different static directories in node.js Express framework
...up two different directories to serve static files. Let's say /public and /mnt
4 Answers
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“find: paths must precede expression:” How do I specify a recursive search that also finds files in
I am having a hard time getting find to look for matches in the current directory as well as its subdirectories.
6 Answe...
git produces Gtk-WARNING: cannot open display
I've been working on my project remotely through the command line on a machine to which I don't have admin rights and after running git push origin master I get the following error message:
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How to use WeakReference in Java and Android development?
...e to an object, but you don't want that reference to protect the object from the garbage collector. A classic example is a cache that you want to be garbage collected when memory usage gets too high (often implemented with WeakHashMap).
Be sure to check out SoftReference and PhantomReference as we...
Creating a URL in the controller .NET MVC
...to be able to construct a link in the Action on the controller to send an email. What is best practice to do this? I don't want to construct it myself in case my routes change.
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