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How to use the pass statement?
...ll the interpreter to do nothing. In the same way the following code:
def foo(x,y):
return x+y
means "if I call the function foo(x, y), sum the two numbers the labels x and y represent and hand back the result",
def bar():
pass
means "If I call the function bar(), do absolutely nothing...
How to hide output of subprocess in Python 2.7
...process
FNULL = open(os.devnull, 'w')
retcode = subprocess.call(['echo', 'foo'], stdout=FNULL, stderr=subprocess.STDOUT)
It is effectively the same as running this shell command:
retcode = os.system("echo 'foo' &> /dev/null")
...
Is there a JavaScript strcmp()?
...n perfecting it): just be aware that this is a case-sensitive comparison ('Foo' will come before 'bar' but 'Bar' will come after 'foo'). That corresponds to OP's question about strcmp, but many people may come here looking for a case-agnostic comparison.
– jfren484
...
Why does one hot encoding improve machine learning performance?
...nswered Jul 4 '13 at 12:20
Fred FooFred Foo
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...
Initializing a struct to 0
...
@Edenia. I disagree. I already know what foo = {0} means. If I saw foo = ZERO_FULL, I'd have to grep for the definition of ZERO_FULL.
– Andrew Bainbridge
Jul 24 '18 at 14:51
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Object.getOwnPropertyNames vs Object.keys
...f a function that is used to do some magic redeclaration of props
function foo(Obj) {
var propNames = Object.keys(Obj);
// I was missing this if
// if (propNames.length === 0) {
// propNames = Object.getOwnPropertyNames(Obj);
// }
for (var prop in propNames) {
v...
How to pass argument to Makefile from command line?
...is a function that removes some elements from a list. So $(filter-out bar, foo bar baz) returns foo baz (it can be more subtle, but we don't need subtlety here).
Put these together and $(filter-out $@,$(MAKECMDGOALS)) returns the list of targets specified on the command line other than "action", wh...
Passing arguments forward to another javascript function
...
If you want to only pass certain arguments, you can do so like this:
Foo.bar(TheClass, 'theMethod', 'arg1', 'arg2')
Foo.js
bar (obj, method, ...args) {
obj[method](...args)
}
obj and method are used by the bar() method, while the rest of args are passed to the actual call.
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Python: Why is functools.partial necessary?
...nswered Oct 9 '13 at 17:41
Fred FooFred Foo
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...
How to check if a value exists in a dictionary (python)
...t; d.get('10')
none
If your key does'nt exist, will return none value.
foo = d[key] # raise error if key doesn't exist
foo = d.get(key) # return none if key doesn't exist
Content relevant to versions less than 3.0 and greater than 5.0.
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