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How to quickly check if folder is empty (.NET)?
...s. I know, that there is a simple method. We get array of FileSystemInfo's and check if count of elements equals to zero. Something like that:
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How to enable PHP's openssl extension to install Composer?
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It is possible that WAMP and Composer are using different PHP installations. Composer will use the PHP set in the PATH environment variable.
If you want to enable the openssl extension to install Composer, first you need to check the location of th...
process.env.NODE_ENV is undefined
...e default value should be 'development'. How is this value dynamically set and where is it set initially?
12 Answers
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Calling class staticmethod within the class body?
When I attempt to use a static method from within the body of the class, and define the static method using the built-in staticmethod function as a decorator, like this:
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Is there a way to avoid null check before the for-each loop iteration starts? [duplicate]
...))
Alternatively, you could make a wrapper class that implements Iterable and takes a collections, and handles a null collection.
You could then write foreach(T obj : new Nullable<T>(list1))
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Using multiple delimiters in awk
...be useful, but can make things tricky ... as there are often spaces before and after 'this', this will make 2 extra empty field appear in between the space(s) and 'this')
– Olivier Dulac
Oct 15 '14 at 13:36
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Calling method using JavaScript prototype
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I did not understand what exactly you're trying to do, but normally implementing object-specific behaviour is done along these lines:
function MyClass(name) {
this.name = name;
}
MyClass.prototype.doStuff = function() {
// generic b...
Is there a better way to iterate over two lists, getting one element from each list for each iterati
I have a list of Latitudes and one of Longitudes and need to iterate over the latitude and longitude pairs.
7 Answers
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How to change line color in EditText
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This is the best tool that you can use for all views and its FREE many thanks to @Jérôme Van Der Linden.
The Android Holo Colors Generator allows you to easily create Android components such as EditText or spinner with your own colours for your Android application. It will ge...
Redirect stdout pipe of child process in Go
...d. (That's a problem because this server-like program runs for a long time and I want to read the log output)
3 Answers
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