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What's Go's equivalent of argv[0]?
...guments are exposed in the os package http://golang.org/pkg/os/#Variables
If you're going to do argument handling, the flag package http://golang.org/pkg/flag is the preferred way. Specifically for your case flag.Usage
Update for the example you gave:
func usage() {
fmt.Fprintf(os.Stderr, "us...
Calling remove in foreach loop in Java [duplicate]
...eturned by this class's iterator and listIterator
methods are fail-fast: if the list is structurally modified at any
time after the iterator is created, in any way except through the
iterator's own remove or add methods, the iterator will throw a
ConcurrentModificationException. Thus, in the...
What do *args and **kwargs mean? [duplicate]
...t an arbitrary number of arguments and/or keyword arguments.
For example, if you wanted to write a function that returned the sum of all its arguments, no matter how many you supply, you could write it like this:
def my_sum(*args):
return sum(args)
It’s probably more commonly used in objec...
How can you tell when a layout has been drawn?
...istener() {
@Override
public void onGlobalLayout() {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
layout.getViewTreeObserver()
.removeOnGlobalLayoutListener(this);
} else {
...
Matplotlib: draw grid lines behind other graph elements
...
(I am currently installing matplotlib for the first time, so have no idea if that's correct - I just found it by googling "matplotlib z order grid" - "z order" is typically used to describe this kind of thing (z being the axis "out of the page"))
...
Evaluate expression given as a string
I'm curious to know if R can use its eval() function to perform calculations provided by e.g. a string.
7 Answers
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How to convert `git:` urls to `http:` urls
...
This worked for me in public WiFi with blocked 22 port. How config can be reverted to defaults?
– yivo
Nov 28 '16 at 17:44
14
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Iterating a JavaScript object's properties using jQuery
...em to the console with increasing indent:
function enumerate(o,s){
//if s isn't defined, set it to an empty string
s = typeof s !== 'undefined' ? s : "";
//iterate across o, passing keys as k and values as v
$.each(o, function(k,v){
//if v has nested depth
if(type...
Difference between Activity and FragmentActivity
...tActivity which are used several times. I want to know that is there any difference between these two, because when I changed Activity with FragmentActivity , it had no effect on the app.
...
Ansible: Set variable to file content
...lurped_user_data
- name: Decode data and store as fact # You can skip this if you want to use the right hand side directly...
set_fact:
user_data: "{{ slurped_user_data.content | b64decode }}"
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