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how to get the last character of a string?
...tring.prototype.slice method.
Just by:
str.slice(-1);
A negative start index slices the string from length+index, to length, being index -1, the last character is extracted:
"abc".slice(-1); // "c";
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I ran into a merge conflict. How can I abort the merge?
...es available the common base, local and remote versions of the file in the index. (This is where they are read from for use in a 3-way diff tool by git mergetool.) You can use git show to view them.
# common base:
git show :1:_widget.html.erb
# 'ours'
git show :2:_widget.html.erb
# 'theirs'
git s...
jQuery .each() index?
...
$('#list option').each(function(index){
//do stuff
console.log(index);
});
logs the index :)
a more detailed example is below.
function run_each() {
var $results = $(".results");
$results.empty();
$results.append("==============...
Setting up two different static directories in node.js Express framework
...${port}` );
console.log(__dirname);
});
// folder structure
/cheatsheet/index.html
/stylesheet/style.css
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ALTER TABLE without locking the table?
.../O overhead associated with copying the table and reconstructing secondary indexes.
see MySQL 5.6 Reference Manual -> InnoDB and Online DDL for more info.
It seems that online DDL also available in MariaDB
Alternatively you can use ALTER ONLINE TABLE to ensure that your ALTER
TABLE does n...
How can I define a composite primary key in SQL?
...
SELECT * FROM voting WHERE QuestionID = 7
it will use the primary key's index. If however you do this:
SELECT * FROM voting WHERE MemberID = 7
it won't because to use a composite index requires using all the keys from the "left". If an index is on fields (A,B,C) and your criteria is on B and C...
How do I clone a range of array elements to a new array?
...ike to create a new array containing all the elements from X that begin at index 3 and ends in index 7. Sure I can easily write a loop that will do it for me but I would like to keep my code as clean as possible. Is there a method in C# that can do it for me?
...
Loading existing .html file with android WebView
...
If your structure should be like this:
/assets/html/index.html
/assets/scripts/index.js
/assets/css/index.css
Then just do ( Android WebView: handling orientation changes )
if(WebViewStateHolder.INSTANCE.getBundle() == null) { //this works only on single instance of we...
How to convert a number to string and vice versa in C++
...of_range).
If conversion succeeded and idx is not 0, idx will contain the index of the first character that was not used for decoding. This could be an index behind the last character.
Finally, the integral types allow to specify a base, for digits larger than 9, the alphabet is assumed (a=10 unti...
Access-Control-Allow-Origin wildcard subdomains, ports and protocols
I'm trying to enable CORS for all subdomains, ports and protocol.
11 Answers
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