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“var” or no “var” in JavaScript's “for-in” loop?
...ave more than one for-loop in one scope? You will either have to reuse the index (no var), or you will have to declare lots and lots of new variables (j, k, l, m, …) which you will never use again.
– armin
Sep 2 '15 at 5:14
...
Retrieving a random item from ArrayList [duplicate]
...nerator = new Random();
}
public Item anyItem()
{
int index = randomGenerator.nextInt(catalogue.size());
Item item = catalogue.get(index);
System.out.println("Managers choice this week" + item + "our recommendation to you");
return item;
}
}
...
Android - get children inside a View?
...
for(int index = 0; index < ((ViewGroup) viewGroup).getChildCount(); index++) {
View nextChild = ((ViewGroup) viewGroup).getChildAt(index);
}
Will that do?
...
Iterate through a C++ Vector using a 'for' loop
...lain me why in this particular case/code snippet you advise iterators over indexing? What is this "flexibility" you're talking about? Personally, I don't like iterators, they bloat the code - simply more characters to type for the same effect. Especially if you can't use auto.
–...
Retrieve a Fragment from a ViewPager
...ow. If using FragmentStatePagerAdapter its worth looking at this. Grabbing indexes that are not the current one in a FragmentStateAdapter is not as useful as by the nature of it these will be completely torn down went out of view / out of offScreenLimit bounds.
THE UNHAPPY PATHS
Wrong: Maintain yo...
How can I make git ignore future revisions to a file?
...
As many others have mentioned, a good modern solution is:
git update-index --skip-worktree default_values.txt
That will ignore changes to that file, both local and upstream, until you decide to allow them again with:
git update-index --no-skip-worktree default_values.txt
You can get a lis...
Making a request to a RESTful API using python
...ave exposed using an implementation of Elasticsearch on an EC2 instance to index a corpus of content. I can query the search by running the following from my terminal (MacOSX):
...
Count number of occurrences of a given substring in a string
...ing position number among all sub-strings:
s = 'sub1 sub2 sub3'
s.split().index('sub2')
>>> 1
You mean the char-position of the sub-string in the string:
s.find('sub2')
>>> 5
You mean the (non-overlapping) counts of appearance of a su-bstring:
s.count('sub2')
>>> 1
s....
Sending emails with Javascript
...ta of your SMTP server, It's best to do it on the server side with Node or PHP, thanks equally
– jcarlosweb
Nov 26 '18 at 13:49
...
How do I give text or an image a transparent background using CSS?
...und to fit the content and put the background actually in the back using z-index.
.container {
position: relative;
}
.content {
position: relative;
color: White;
z-index: 5;
}
.background {
position: absolute;
top: 0px;
left: 0px;
width: 100%;
height: 100%;
bac...