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Why use prefixes on member variables in C++ classes
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You have to be careful with using a leading underscore. A leading underscore before a capital letter in a word is reserved.
For example:
_Foo
_L
are all reserved words while
_foo
_l
are not. There are other situations where leading underscor...
In jQuery, how do I get the value of a radio button when they all have the same name?
...ur code, jQuery just looks for the first instance of an input with name q12_3, which in this case has a value of 1. You want an input with name q12_3 that is :checked.
$("#submit").click(() => {
const val = $('input[name=q12_3]:checked').val();
alert(val);
});
<script src="https:/...
Finding a substring within a list in Python [duplicate]
...y newlines:
print "\n".join(s for s in list if sub in s)
Full example, with case insensitivity:
mylist = ['abc123', 'def456', 'ghi789', 'ABC987', 'aBc654']
sub = 'abc'
print "\n".join(s for s in mylist if sub.lower() in s.lower())
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Javascript - Open a given URL in a new tab by clicking a button
...put type="button" value="button name" onclick="window.open('http://www.website.com/page')" />
Worked for me and it will open an actual new 'popup' window rather than a new full browser or tab. You can also add variables to it to stop it from showing specific browser traits as follows:
onclick=...
Android Studio says “cannot resolve symbol” but project compiles
I'm importing twitter4j in AndroidStudio, using the following in my build.gradle:
27 Answers
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In STL maps, is it better to use map::insert than []?
A while ago, I had a discussion with a colleague about how to insert values in STL maps . I preferred map[key] = value; because it feels natural and is clear to read whereas he preferred map.insert(std::make_pair(key, value)) .
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Set the value of a variable with the result of a command in a Windows batch file
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To do what Jesse describes, from a Windows batch file you will need to write:
for /f "delims=" %%a in ('ver') do @set foobar=%%a
But, I instead suggest using Cygwin on your Windows system if you are used to Unix-type scripting.
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Delete all documents from index/type without deleting type
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I believe if you combine the delete by query with a match all it should do what you are looking for, something like this (using your example):
curl -XDELETE 'http://localhost:9200/twitter/tweet/_query' -d '{
"query" : {
"match_all" : {}
}
}'
Or you co...
git ignore vim temporary files
What is the correct way to make git ignore temporary files produced by vim in all directories (either globally across the system or locally for a single project)?
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How to get these two divs side-by-side?
I have two divs that are not nested, one below the other. They are both within one parent div, and this parent div repeats itself. So essentially:
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