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Reordering arrays
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If you know the indexes you could easily swap the elements, with a simple function like this:
function swapElement(array, indexA, indexB) {
var tmp = array[indexA];
array[indexA] = array[indexB];
array[indexB] = tmp;
}...
How to check if a query string value is present via JavaScript?
How can I check if the query string contains a q= in it using JavaScript or jQuery?
10 Answers
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Difference in Months between two dates in JavaScript
How would I work out the difference for two Date() objects in JavaScript, while only return the number of months in the difference?
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How to find if a given key exists in a C++ std::map
I'm trying to check if a given key is in a map and somewhat can't do it:
14 Answers
14...
pdf2htmlEX实现pdf转html - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...i=0,len=eles.length;i<len;i++){
height +=eles[i].scrollHeight+20;
}
if(height>0)
document.getElementById('page-container').style.height=height+'px';
}
/*注释下面这段代码，因为手机浏览器无法触发滚动事件
<span style="white-space:pre"> </span>this.container.add...
Get the client IP address using PHP [duplicate]
... to get the IP address.
The below both functions are equivalent with the difference only in how and from where the values are retrieved.
getenv() is used to get the value of an environment variable in PHP.
// Function to get the client IP address
function get_client_ip() {
$ipaddress = '';
...
Why doesn't indexOf work on an array IE8?
... works fine on Opera, Firefox and Chrome. However, in IE8 it fails on the if ( allowed.indexOf(ext[1]) == -1) part.
7 Ans...
Test if string is a number in Ruby on Rails
...is_number? Method.
Create a helper method:
def is_number? string
true if Float(string) rescue false
end
And then call it like this:
my_string = '12.34'
is_number?( my_string )
# => true
Extend String Class.
If you want to be able to call is_number? directly on the string instead of pa...
Easiest way to compare arrays in C#
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This only works if they are in the same order though
– John Demetriou
Feb 12 '16 at 7:00
1
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How to split one string into multiple variables in bash shell? [duplicate]
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If your solution doesn't have to be general, i.e. only needs to work for strings like your example, you could do:
var1=$(echo $STR | cut -f1 -d-)
var2=$(echo $STR | cut -f2 -d-)
I chose cut here because you could simply ex...