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namedtuple and default values for optional keyword arguments
...en executed", the annotations for 'Node' in the class fields above must be strings to avoid NameError.
This kind of type hints is called "forward reference" ([1], [2]), and with PEP 563 Python 3.7+ is going to have a __future__ import (to be enabled by default in 4.0) that will allow to use forward...
How to implement the --verbose or -v option into a script?
...ler doesn't need to
# stuff everything to be printed into a single string
for arg in args:
print arg,
print
else:
verboseprint = lambda *a: None # do-nothing function
(Yes, you can define a function in an if statement, and it'll only get defined if th...
Which method performs better: .Any() vs .Count() > 0?
...:
class TestTable
{
[Key]
public int Id { get; set; }
public string Name { get; set; }
public string Surname { get; set; }
}
Test code:
class Program
{
static void Main()
{
using (var context = new TestContext())
{
context.Database.Log = Cons...
Using Build Flavors - Structuring source folders and build.gradle correctly
... applicationId "zuul.com.android.devel"
buildConfigField 'String', 'HOST', '"http://192.168.1.34:3000"'
}
prod {
applicationId "zuul.com.android"
buildConfigField 'String', 'HOST', '"http://api.zuul.com"'
}
}
}
As an exampl...
How can I access a JavaScript object which has spaces in the object's key?
...metimes called associative arrays since each property is associated with a string value that can be used to access it. So, for example, you could access the properties of the myCar object as follows:
myCar['make'] = 'Ford';
myCar['model'] = 'Mustang';
myCar['year'] = 1969;
For more, read on at Wo...
Recommended way to get hostname in Java
...g the file would be better, though).
The code:
public static void main(String[] args) throws IOException {
String os = System.getProperty("os.name").toLowerCase();
if (os.contains("win")) {
System.out.println("Windows computer name through env:\"" + System.getenv("COMPUTERNAME")...
Getting All Variables In Scope
... var x = 0;
console.log(x);
};
You can convert your function to a string:
var s = f + '';
You will get source of function as a string
'function () {\nvar x = 0;\nconsole.log(x);\n}'
Now you can use a parser like esprima to parse function code and find local variable declarations.
var...
How do I tell git-svn about a remote branch created after I fetched the repo?
...
This will fetch ALL the remote branches that have not been fetched yet.
Extra tip: if you checked out only the trunk at first, and later you want to track ALL branches, then edit .git/config to look like this and re-run git svn fetch:
[svn-remote "svn"]
url = https://svn/path_to_repo_roo...
How can I correctly prefix a word with “a” and “an”?
...efix), otherwise you may need a special case for a completely-non matching string (such input should be very rare).
You probably can't get much better than this - and it'll certainly beat most rule-based systems.
Edit: I've implemented this in JS/C#. You can try it in your browser, or download t...
How to print to stderr in Python?
...
Advantage of the print statement is easy printing of non-string values, without having to convert them first. If you need a print statement, I would therefore recommend using the 3rd option to be python 3 ready
– vdboor
Apr 6 '12 at 11:22
...