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Read lines from a file into a Bash array [duplicate]
...efines the set of characters that break up tokens in the parsing process. By default it includes whitespaces (space & tab) as well as newline/CR - so my code above removes them just for the current parse - so that it is one line per array index (thats what I thought you were looking for)
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jQuery hasAttr checking to see if there is an attribute on an element [duplicate]
...y.
if($(this).attr("name"))
There's no hasAttr but hitting an attribute by name will just return undefined if it doesn't exist.
This is why the below works. If you remove the name attribute from #heading the second alert will fire.
Update: As per the comments, the below will ONLY work if the a...
Change the image source on rollover using jQuery
...icons and small images though it works fine.
– DACrosby
Apr 29 '12 at 5:50
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show 1 more comment
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read file from assets
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Better late than never.
I had difficulties reading files line by line in some circumstances.
The method below is the best I found, so far, and I recommend it.
Usage: String yourData = LoadData("YourDataFile.txt");
Where YourDataFile.txt is assumed to reside in assets/
public String ...
Automatically import modules when entering the python or ipython interpreter
...ticular case. However, if you'd always like np to be available to you then by all means put it in the startup directory.
For more information on ipython configuration. The docs have a much more complete explanation.
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Format date in a specific timezone
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@ebi It already uses the browser's timezone by default. To access the browser's timezone offset, use .zone() as a getter, which returns minutes from UTC (e.g., returns 300 for New York during standard time).
– quietmint
Nov 25 '13...
C# - how to determine whether a Type is a number
...l) && type != typeof(char));
The primitive types are Boolean, Byte,
SByte, Int16, UInt16, Int32, UInt32,
Int64, UInt64, Char, Double,and
Single.
Taking Guillaume's solution a little further:
public static bool IsNumericType(this object o)
{
switch (Type.GetTypeCode(o.Ge...
cleanest way to skip a foreach if array is empty [duplicate]
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This will produce a syntax error when assigning by reference, as in "foreach... as &$item", because when $result is null it can't assign a reference to "array()". See: php.net/manual/en/control-structures.foreach.php
– Russell G
F...
Create table using Javascript
...de above).
function tableCreate() {
var body = document.getElementsByTagName('body')[0];
var tbl = document.createElement('table');
tbl.style.width = '100%';
tbl.setAttribute('border', '1');
var tbdy = document.createElement('tbody');
for (var i = 0; i < 3; i++) {
var ...
How to determine a user's IP address in node
... appears as remote address of the request.
This is the solution suggested by Arnav Gupta with a fix Martin has suggested below in the comments for cases when x-forwarded-for is not set :
var ip = (req.headers['x-forwarded-for'] || '').split(',').pop().trim() ||
req.connection.remoteAddr...