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Java: How to set Precision for double value? [duplicate]
I was working with numbers recently and I had a situation where I want to set the precision of a double value say to 6 digits or 4 digits, depending on the value stored in the database.
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How to select lines between two marker patterns which may occur multiple times with awk/sed
...atches lines having this text, as well as /mno/ does.
/abc/{flag=1;next} sets the flag when the text abc is found. Then, it skips the line.
/mno/{flag=0} unsets the flag when the text mno is found.
The final flag is a pattern with the default action, which is to print $0: if flag is equal 1 the ...
Javascript: negative lookbehind equivalent?
...expressions? I need to match a string that does not start with a specific set of characters.
12 Answers
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Custom numeric format string to always display the sign
...e]::Now.ToString('HH:mm:ss.fff'))$($([System.TimeZoneInfo]::Local.GetUtcOffset([System.DateTime]::Now).TotalMinutes.ToString('+0;-#')))"
Thank you @gcores https://stackoverflow.com/users/40256/gcores
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finding and replacing elements in a list
I have to search through a list and replace all occurrences of one element with another. So far my attempts in code are getting me nowhere, what is the best way to do this?
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Difference between signed / unsigned char [duplicate]
...a couple of cases where it is not:
If, in the target platform's character set, any of the characters required by standard C would map to a code higher than the maximum `signed char`, then `char` must be unsigned.
If `char` and `short` are the same size, then `char` must be signed.
Part of the reas...
How can I automatically deploy my app after a git push ( GitHub and node.js)?
...oyment (assuming you're using a git remote repository on that machine).
Setup Your Post-Receive Hook
In your repository: sudo vi hooks/post-receive
And it should look something like:
#!/bin/sh
GIT_WORK_TREE=/home/path/to/your/www
export GIT_WORK_TREE
git checkout -f
Set file permissions: chm...
Include headers when using SELECT INTO OUTFILE?
...override GROUP_CONCAT limit of 1024 characters to avoid a truncated result
set session group_concat_max_len = 1000000;
select GROUP_CONCAT(CONCAT("'",COLUMN_NAME,"'"))
from INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_NAME = 'my_table'
AND TABLE_SCHEMA = 'my_schema'
order BY ORDINAL_POSITION
Now you ca...
Method overloading in Objective-C?
... editor after snippets, if snippets enabled
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Fastest way to flatten / un-flatten nested JSON objects
... edited Feb 20 at 13:25
Alex Brasetvik
9,58622 gold badges3131 silver badges3636 bronze badges
answered Sep 30 '13 at 18:30
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