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How to get the first element of an array?
... This assumes that the first element in the array is always has an index of 0. You know what they say about assumption...
– Andy
Aug 9 '15 at 16:19
16
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Why doesn't java.util.Set have get(int index)?
...ld someone please explain why the java.util.Set interface lacks get(int Index) , or any similar get() method?
18 Answe...
How to find the operating system version using JavaScript?
...nameOffset, verOffset, ix;
// Opera
if ((verOffset = nAgt.indexOf('Opera')) != -1) {
browser = 'Opera';
version = nAgt.substring(verOffset + 6);
if ((verOffset = nAgt.indexOf('Version')) != -1) {
version = nAgt.substring(verOffset ...
How to get the nth occurrence in a string?
... "XYZ 123 ABC 456 ABC 789 ABC";
function getPosition(string, subString, index) {
return string.split(subString, index).join(subString).length;
}
console.log(
getPosition(string, 'ABC', 2) // --> 16
)
s...
Fast stable sorting algorithm implementation in javascript
...turing:
Function
var stableSort = (arr, compare) => arr
.map((item, index) => ({item, index}))
.sort((a, b) => compare(a.item, b.item) || a.index - b.index)
.map(({item}) => item)
It accepts input array and compare function:
stableSort([5,6,3,2,1], (a, b) => a - b)
It als...
How do you select a particular option in a SELECT element in jQuery?
If you know the Index, Value or Text. also if you don't have an ID for a direct reference.
21 Answers
...
git stash blunder: git stash pop and ended up with merge conflicts
...things:
Decide not to merge. The only clean-ups you need are to reset the index file to the HEAD commit to reverse 2. and to clean up working tree changes made by 2. and 3.; git-reset --hard can be used for this.
Resolve the conflicts. Git will mark the conflicts in the working tree. Edit the file...
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转：postfix安装Q&A 原文地址：http: bbs.chinaunix.net viewthread.php?tid=770141执照wangmingda老大的资料安装成功postfix（地址在这里http: www.extmail....
原文地址：http://bbs.chinaunix.net/viewthread.php?tid=770141
执照wangmingda老大...
I want to copy table contained from one database and insert onto another database table
...
This does not copy things such as index. It merely creates a table based on a set of tuples. You probably don't want to do this.
– BenMQ
Aug 26 '14 at 3:59
...
What is the difference between Google App Engine and Google Compute Engine?
...For example, if your app becomes very successful, App Engine will automatically create more instances to handle the increased volume.
Read more about App Engine
Compute Engine is an Infrastructure-as-a-Service. You have to create and configure your own virtual machine instances. It gives you more ...