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What does ^M character mean in Vim?
...e empty string (i.e. nothing). I use this to get rid of ^M in files copied from Windows to Unix (Solaris, Linux, OSX).
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Difference between single and double square brackets in Bash
... a weird name.
] is just an argument of [ that prevents further arguments from being used.
Ubuntu 16.04 actually has an executable for it at /usr/bin/[ provided by coreutils, but the bash built-in version takes precedence.
Nothing is altered in the way that Bash parses the command.
In particular...
When to use wrapper class and primitive type
...ustom exceptions to indicate what has gone wrong. Good, I'll be doing that from now on...
– klaar
Nov 16 '17 at 8:46
1
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Placing/Overlapping(z-index) a view above another view in android
...er in which the views are drawn by the parent. You can enable this feature from ViewGroup by calling setChildrenDrawingOrderEnabled(true) and overriding getChildDrawingOrder(int childCount, int i).
Example:
/**
* Example Layout that changes draw order of a FrameLayout
*/
public class OrderLayout...
How to convert currentTimeMillis to a date in Java?
...lliseconds in certain log file generated in server, I also know the locale from where the log file was generated, my problem is to convert milliseconds to date in specified format.
The processing of that log is happening on server located in different time zone. While converting to "SimpleDateFormat...
CSS @font-face not working with Firefox, but working with Chrome and IE
...family' Arial, Helvetica etc It was showing up fine in every browser apart from Firefox. I added the coma and it worked.
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How can I check if a value is a json object?
...ave to check the type with typeof
var response=jQuery.parseJSON('response from server');
if(typeof response =='object')
{
// It is JSON
}
else
{
if(response ===false)
{
// the response was a string "false", parseJSON will convert it to boolean false
}
else
{
// the response was...
Python extract pattern matches
...
You need to capture from regex. search for the pattern, if found, retrieve the string using group(index). Assuming valid checks are performed:
>>> p = re.compile("name (.*) is valid")
>>> result = p.search(s)
>>> resul...
git: Show index diff in commit message as comment
...script to generate few addition lines in diff format, but it got truncated from the first line
– Dennis C
Apr 8 '13 at 0:58
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What is the difference between g++ and gcc?
...
From this answer, I conclude that effectively g++ command is just gcc with a bunch of flags .. Why then, there are two different binaries(of approximately the same size ) for gcc and g++ in linux ?. Shouldn't we have just ...