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Why is using “for…in” for array iteration a bad idea?
...e array.
for (var i = 0; i < a.length; i++) {
// Iterate over num>me m>ric indexes from 0 to 5, as everyone expects.
console.log(a[i]);
}
/* Will display:
undefined
undefined
undefined
undefined
undefined
5
*/
can som>me m>tim>me m>s be totally different from the...
Unicode (UTF-8) reading and writing to files in Python
I'm having som>me m> brain failure in understanding reading and writing text to a file (Python 2.4).
14 Answers
...
git command to move a folder inside another
...ne of the nicest things about git is that you don't need to track file renam>me m>s explicitly. Git will figure it out by comparing the contents of the files.
So, in your case, don't work so hard:
$ mkdir include
$ mv common include
$ git rm -r common
$ git add include/common
Running git status shoul...
What special characters must be escaped in regular expressions?
...hould escape special characters like ' ()[]{}| ' etc. when using many implem>me m>ntations of regexps.
12 Answers
...
What is the difference between and ? [duplicate]
...
<html>
<head>
<title>reusable</title>
<m>me m>ta http-equiv="Content-Type" content="text/html; charset=UTF-8">
</head>
<body>
<img src="candle.gif" height="100" width="50"/> <br />
<p><b>As the candle burns,so do I</b&g...
How do I use Ruby for shell scripting?
I have som>me m> simple shell scripting tasks that I want to do
13 Answers
13
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How can I convince IE to simply display application/json rather than offer to download it?
...n't tested this broadly, but it works with IE8 on Vista.
To use this, rem>me m>mber, all the usual caveats about updating the registry apply. Stop IE. Then, cut and paste the following into a file, by the nam>me m> of json-ie.reg.
Windows Registry Editor Version 5.00
;
; Tell IE to open JSON docum>me m>nts...
entity object cannot be referenced by multiple instances of IEntityChangeTracker. while adding relat
...rying to save Employee details, which has references with City. But everytim>me m> I try to save my contact, which is validated I get the exception "ADO.Net Entity Fram>me m>work An entity object cannot be referenced by multiple instances of IEntityChangeTracker"
...
Sort ArrayList of custom Objects by property
...or but in all of the examples people used compareTo which according to som>me m> research is a m>me m>thod for Strings.
29 Answers
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Should I call Close() or Dispose() for stream objects?
Classes such as Stream , StreamReader , StreamWriter etc implem>me m>nts IDisposable interface. That m>me m>ans, we can call Dispose() m>me m>thod on objects of these classes. They've also defined a public m>me m>thod called Close() . Now that confuses m>me m>, as to what should I call once I'm done with objects?...