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How to create an empty file at the command line in Windows?
....cmd 0 # to create a file on a mapped drive
Nomad mentions an original one:
C:\Users\VonC\prog\tests>aaaa > empty_file
'aaaa' is not recognized as an internal or external command, operable program or batch file.
C:\Users\VonC\prog\tests>dir
Folder C:\Users\VonC\prog\tests
27/11/201...
How to unescape HTML character entities in Java?
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The libraries mentioned in other answers would be fine solutions, but if you already happen to be digging through real-world html in your project, the Jsoup project has a lot more to offer than just managing "ampersand pound FFFF semicolon" thi...
Why is the order in dictionaries and sets arbitrary?
I don't understand how looping over a dictionary or set in python is done by 'arbitrary' order.
6 Answers
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How do I set the time zone of MySQL?
On one server, when I run:
19 Answers
19
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Android: ProgressDialog.show() crashes with getApplicationContext
... returning just points to null. I think you're having a problem similar to one I had in that some of the code in the onCreate() is being run before the window is actually done being built. This is going to be a hack, but try launching a new Thread in a few hundred milliseconds (IIRC: 300-400 seemed ...
Java - Method name collision in interface implementation
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No, there is no way to implement the same method in two different ways in one class in Java.
That can lead to many confusing situations, which is why Java has disallowed it.
interface ISomething {
void doSomething();
}
interface ISomething2 {
void doSomething();
}
class Impl implements ...
Why 0 is true but false is 1 in the shell?
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It's a convention, but a particularly useful one when you think about it. In general, if a program succeeds that's all you need to know. If it fails, however, you might need to know all kinds of information about the failure - why it happened, how to fix it, etc. Havi...
Why doesn't Java offer operator overloading?
...ces only adds to the confusion of operator overloading. As @Sebastian mentioned, Java and C# both have to deal with value and reference equality separately -- operator+ would likely deal with values and objects, but operator= is already implemented to deal with references.
In C++, you should only b...
NUnit vs. Visual Studio 2008's test projects for unit testing [closed]
...sual Studio 2008 has, but I am open to researching other suggestions. Is one system better than the other or perhaps easier to use/understand than the other?
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How good is Java's UUID.randomUUID?
...between JVMs (meaning that any concrete statements made are valid only for one specific JVM), it does mandate that the output must pass a statistical random number generator test.
It's always possible for an implementation to contain subtle bugs that ruin all this (see OpenSSH key generation bug) b...