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How do I list all cron jobs for all users?
Is there a command or an existing script that will let me view all of a *NIX system's scheduled cron jobs at once? I'd like it to include all of the user crontabs, as well as /etc/crontab , and whatever's in /etc/cron.d . It would also be nice to see the specific commands run by run-parts in /e...
Android: How to handle right to left swipe gestures
I want my app to recognize when a user swipes from right to left on the phone screen.
21 Answers
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Split Java String by New Line
...'m trying to split text in a JTextArea using a regex to split the String by \n However, this does not work and I also tried by \r\n|\r|n and many other combination of regexes.
Code:
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Different between parseInt() and valueOf() in java?
...nteger.parseInt(String). However, valueOf(String) returns a new Integer() object whereas parseInt(String) returns a primitive int.
If you want to enjoy the potential caching benefits of Integer.valueOf(int), you could also use this eyesore:
Integer k = Integer.valueOf(Integer.parseInt("123"))
N...
Does a `+` in a URL scheme/host/path represent a space?
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Percent encoding in the path section of a URL is expected to be decoded, but
any + characters in the path component is expected to be treated literally.
To be explicit: + is only a special character in the query component.
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What is the advantage of GCC's __builtin_expect in if else statements?
I came across a #define in which they use __builtin_expect .
6 Answers
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sed command with -i option (in-place editing) works fine on Ubuntu but not Mac [duplicate]
I know nothing about Sed but need this command (which works fine on Ubuntu) to work on a Mac OSX:
4 Answers
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Copy tables from one database to another in SQL Server
I have a database called foo and a database called bar. I have a table in foo called tblFoobar that I want to move (data and all) to database bar from database foo. What is the SQL statement to do this?
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Detect the Internet connection is offline?
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You can determine that the connection is lost by making failed XHR requests.
The standard approach is to retry the request a few times. If it doesn't go through, alert the user to check the connection, and fail gracefully.
Sidenote: To put the entire application in an "offlin...
pandas DataFrame: replace nan values with average of columns
I've got a pandas DataFrame filled mostly with real numbers, but there is a few nan values in it as well.
10 Answers
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